[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Gustavo Fernandes (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Gustavo Fernandes commented on ISPN-8980:
-----------------------------------------
I assume removing {{<prop key="hibernate.search.default.locking_strategy">single</prop>}} still cause the errors?
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali commented on ISPN-8980:
-----------------------------------------
[~gustavonalle] I have gone through ISPN-8168 shared by you.
I think the current issue is different from the one you shared. And these are not connected.
Can you please check and share your inputs.
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Gustavo Fernandes (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Gustavo Fernandes edited comment on ISPN-8980 at 3/22/18 12:56 PM:
-------------------------------------------------------------------
Hi, is the same observed on Infinispan 9.2.0.Final? It'd be nice to be able to test that, since it includes one fix for index corruption https://issues.jboss.org/browse/ISPN-8168
was (Author: gustavonalle):
Hi, is the same observed on Infinispan 9.2.0.Final?
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali commented on ISPN-8980:
-----------------------------------------
We haven't tested on 9.2.0 and we cannot upgrade to 9.2.0 as we are using hibernate and hibernate-Infinispan 5.2.8. And hibernate 5.2.8 works with infinispan 8.2.5 only.
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Gustavo Fernandes (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Gustavo Fernandes commented on ISPN-8980:
-----------------------------------------
Hi, is the same observed on Infinispan 9.2.0.Final?
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali commented on ISPN-8980:
-----------------------------------------
Corresponding *'SYSOUT'* logs are attached.
Please search for {color:red}'segments_25q'{color} within the logs.
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali updated ISPN-8980:
------------------------------------
Attachment: SysOutLogs.txt
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: SysOutLogs.txt, neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali commented on ISPN-8980:
-----------------------------------------
Hibernate Search config:
<prop key="hibernate.search.indexing_strategy">*event*</prop>
<prop key="hibernate.search.default.directory_provider">*infinispan*</prop>
<prop key="hibernate.search.infinispan.configuration_resourcename">*neutrino-hibernatesearch-infinispan.xml*</prop>
<prop key="hibernate.search.default.exclusive_index_use">*false*</prop>
<prop key="hibernate.search.default.locking_strategy">*single*</prop>
<prop key="hibernate.search.default.worker.execution">*sync*</prop>
<prop key="hibernate.search.default.worker.backend">*jgroups*</prop>
<prop key="hibernate.search.services.jgroups.configurationFile">*neutrino-hibernate-search-worker-jgroups.xml*</prop>
*Corresponding Infinispan and JGroups worker config files are also attached.*
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Priority: Critical
> Attachments: neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Tristan Tarrant (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Tristan Tarrant reassigned ISPN-8980:
-------------------------------------
Assignee: Gustavo Fernandes
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Assignee: Gustavo Fernandes
> Priority: Critical
> Attachments: neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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[JBoss JIRA] (ISPN-8980) High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
by Debashish Bharali (JIRA)
[ https://issues.jboss.org/browse/ISPN-8980?page=com.atlassian.jira.plugin.... ]
Debashish Bharali updated ISPN-8980:
------------------------------------
Attachment: neutrino-hibernate-search-worker-jgroups.xml
neutrino-hibernatesearch-infinispan.xml
> High concurrency : Infinispan Directory Provider: Lucene : Error loading metadata for index file
> ------------------------------------------------------------------------------------------------
>
> Key: ISPN-8980
> URL: https://issues.jboss.org/browse/ISPN-8980
> Project: Infinispan
> Issue Type: Bug
> Components: Lucene Directory
> Affects Versions: 8.2.5.Final
> Reporter: Debashish Bharali
> Priority: Critical
> Attachments: neutrino-hibernate-search-worker-jgroups.xml, neutrino-hibernatesearch-infinispan.xml
>
>
> During high concurrency of action, we are getting *{color:red}'Error loading metadata for index file'{color}* even in *{color:red}Non-Clustered{color}* env.
> *Hibernate Search Indexes (Lucene Indexes) - 5.7.0.Final*
> *Infinispan - 8.2.5.Final*
> *infinispan-directory-provider-8.2.5.Final*
> *jgroups-3.6.7.Final*
> *Worker Backend : JGroups*
> *Worker Execution: Sync*
> *write_metadata_async: false (implicitly)*
> *Note:* Currently we are on Non-Clustered env. We are moving to Clustered Env within few days.
> On analyzing the code, and putting some additional SYSOUT loggers into FileListOperations and DirectoryImplementor classes, we have established the following points:
> # This is happening during high concurrency on non-clustered env.
> # One thread *'T1'* is deleting a segment and segment name *'SEG1'* from the *'FileListCacheKey'* list* stored in MetaDatacache*.
> # Concurrently, at the same time, another thread *'T2'* is looping through the FileList ['copy list' from MetadataCache - for -FileListCacheKey - provided by toArray method of *FileListOperations* (changes also being done in the corresponding original list by T1 thread) ].
> # *'T2'* is calling open input method on each segment name - getting corresponding Metadata segment from *MetadataCache*.
> # However, for *'T2'*, the *'copy list'* still contains the name of segment *'SEG1'*.
> # So while looping through the list, *'T2'* tries to get Segment from MetadataCache for segment name *'SEG1'*.
> # But at this instant, *segment* corresponding to segment name *'SEG1'*, has been already removed from *MetadataCache* by *'T1'*.
> # This results in *'java.io.FileNotFoundException: Error loading metadata for index file'* for segment name *'SEG1'*
> # As mentioned earlier, this happens more often during high concurrency.
> *{color:red}On a standalone server (non-clustered), we are getting below error intermittently:{color}*
> Full Stack trace:
> 2018-03-19 17:29:11,938 ERROR [Hibernate Search sync consumer thread for index com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer] o.h.s.e.i.LogErrorHandler [LogErrorHandler.java:69]
> *{color:red}HSEARCH000058: Exception occurred java.io.FileNotFoundException: Error loading metadata for index file{color}*: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> Primary Failure:
> Entity com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer Id 1649990024999813056 Work Type org.hibernate.search.backend.AddLuceneWork
> java.io.FileNotFoundException: Error loading metadata for index file: M|segments_w6|com.nucleus.integration.ws.server.globalcustomer.entity.GlobalCustomer|-1
> at org.infinispan.lucene.impl.DirectoryImplementor.openInput(DirectoryImplementor.java:138) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.infinispan.lucene.impl.DirectoryLucene.openInput(DirectoryLucene.java:102) ~[infinispan-lucene-directory-8.2.5.Final.jar:8.2.5.Final]
> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:109) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:294) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:171) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:949) ~[lucene-core-5.5.4.jar:5.5.4 31012120ebbd93744753eb37f1dbc5e654628291 - jpountz - 2017-02-08 19:08:03]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:126) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:92) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractCommitPolicy.getIndexWriter(AbstractCommitPolicy.java:33) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexCommitPolicy.getIndexWriter(SharedIndexCommitPolicy.java:77) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SharedIndexWorkspaceImpl.getIndexWriter(SharedIndexWorkspaceImpl.java:36) ~[hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriterDelegate(AbstractWorkspaceImpl.java:203) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:81) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:46) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:165) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:151) [hibernate-search-engine-5.7.0.Final.jar:5.7.0.Final]
> at java.lang.Thread.run(Thread.java:785) [na:1.8.0-internal]
> *As per our understanding, this issue should not come in {color:red}'non-clustered'{color} env. Also it should not arise when worker execution is {color:red}'sync'{color}.*
> *We have debugged the code, and confirmed that the value for {color:red}'write_metadata_async'{color} is coming as 'false' only (as expected).*
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