org.apache.lucene.index.IndexNotFoundException when querying ------------------------------------------------------------ Key: ISPN-7005 URL: https://issues.jboss.org/browse/ISPN-7005 Project: Infinispan Issue Type: Bug Components: Embedded Querying, Lucene Directory Affects Versions: 9.0.0.Alpha4 Reporter: Gustavo Fernandes Assignee: Gustavo Fernandes This happens when querying an Index stored in the Infinispan directory at the same time writes are happening. It is very hard to reproduce, the stack trace is: {noformat} java.util.concurrent.CompletionException: org.hibernate.search.exception.SearchException: HSEARCH000103: Unable to initialize IndexManager named 'entity.205' at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1592) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.hibernate.search.exception.SearchException: HSEARCH000103: Unable to initialize IndexManager named 'entity.205' at org.hibernate.search.indexes.impl.IndexManagerHolder.createIndexManager(IndexManagerHolder.java:275) at org.hibernate.search.indexes.impl.IndexManagerHolder.createIndexManager(IndexManagerHolder.java:528) at org.hibernate.search.indexes.impl.IndexManagerHolder.getOrCreateIndexManager(IndexManagerHolder.java:163) at org.hibernate.search.engine.impl.DynamicShardingStrategy.getIndexManagersFromShards(DynamicShardingStrategy.java:82) at org.hibernate.search.engine.impl.DynamicShardingStrategy.getIndexManagersForQuery(DynamicShardingStrategy.java:71) at org.hibernate.search.query.engine.impl.LuceneHSQuery.getIndexManagers(LuceneHSQuery.java:611) at org.hibernate.search.query.engine.impl.LuceneHSQuery.buildSearcher(LuceneHSQuery.java:447) at org.hibernate.search.query.engine.impl.LuceneHSQuery.buildSearcher(LuceneHSQuery.java:380) at org.hibernate.search.query.engine.impl.LuceneHSQuery.queryEntityInfos(LuceneHSQuery.java:138) at org.infinispan.query.impl.CacheQueryImpl.list(CacheQueryImpl.java:161) at org.infinispan.query.affinity.AffinityTopologyChangeTest$QueryingNode.executeTask(AffinityTopologyChangeTest.java:164) at org.infinispan.query.affinity.AffinityTopologyChangeTest$TaskNode.lambda$null$0(AffinityTopologyChangeTest.java:129) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) ... 3 more Caused by: org.hibernate.search.exception.SearchException: Unable to open Lucene IndexReader for IndexManager entity.205 at org.hibernate.search.indexes.impl.SharingBufferReaderProvider.createReader(SharingBufferReaderProvider.java:113) at org.hibernate.search.indexes.impl.SharingBufferReaderProvider.initialize(SharingBufferReaderProvider.java:91) at org.hibernate.search.indexes.impl.PropertiesParseHelper.createDirectoryBasedReaderProvider(PropertiesParseHelper.java:172) at org.hibernate.search.indexes.spi.DirectoryBasedIndexManager.createIndexReader(DirectoryBasedIndexManager.java:208) at org.hibernate.search.indexes.spi.DirectoryBasedIndexManager.initialize(DirectoryBasedIndexManager.java:87) at org.infinispan.query.affinity.AffinityIndexManager.initialize(AffinityIndexManager.java:139) at org.hibernate.search.indexes.impl.IndexManagerHolder.createIndexManager(IndexManagerHolder.java:271) ... 15 more Caused by: org.apache.lucene.index.IndexNotFoundException: no segments* file found in InfinispanDirectory{indexName='entity.205'}: files: [_0.cfe, _0.cfs, _0.si, pending_segments_2] at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:726) at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:50) at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:63) at org.hibernate.search.indexes.impl.SharingBufferReaderProvider.readerFactory(SharingBufferReaderProvider.java:131) at org.hibernate.search.indexes.impl.SharingBufferReaderProvider$PerDirectoryLatestReader.<init>(SharingBufferReaderProvider.java:206) at org.hibernate.search.indexes.impl.SharingBufferReaderProvider.createReader(SharingBufferReaderProvider.java:108) ... 21 more {noformat}