[JBoss JIRA] (TEIID-3106) BufferManager Cleaner consuming 90% of total CPU time
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-3106?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-3106.
---------------------------------
> BufferManager Cleaner consuming 90% of total CPU time
> -----------------------------------------------------
>
> Key: TEIID-3106
> URL: https://issues.jboss.org/browse/TEIID-3106
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 8.7
> Environment: zOS
> Reporter: Devesh Mishra
> Assignee: Steven Hawkins
> Fix For: 8.7.1, 8.9
>
> Attachments: BufferManagerImpl.java, BufferManagerImpl.java, CacheKey_Loog.patch, complete_log.zip, cpu monitoring.docx, dump.zip, in_local.docx, LrfuEvictionQueue.java, LrfuEvictionQueue.patch, non_high_cpu.docx
>
>
> BufferManager Cleaner thread is consuming almost all of the CPU utilized by the jboss process. Thread dump shows following information.
> 3XMTHREADINFO "BufferManager Cleaner" J9VMThread:0x0000004C41CFEB00, j9thread_t:0x0000004C52B85AE0, java/lang/Thread:0x000000481C036E20, state:CW, prio=5
> 3XMJAVALTHREAD (java/lang/Thread getId:0x76, isDaemon:true)
> 3XMTHREADINFO1 (native thread ID:0x3AEC2600, native priority:0x5, native policy:UNKNOWN)
> 3XMHEAPALLOC Heap bytes allocated since last GC cycle=2609184 (0x27D020)
> 3XMTHREADINFO3 Java callstack:
> 4XESTACKTRACE at java/util/concurrent/ConcurrentSkipListMap.doRemove(ConcurrentSkipListMap.java:1070(Compiled Code))
> 4XESTACKTRACE at java/util/concurrent/ConcurrentSkipListMap.remove(ConcurrentSkipListMap.java:1659(Compiled Code))
> 4XESTACKTRACE at org/teiid/common/buffer/impl/LrfuEvictionQueue.remove(LrfuEvictionQueue.java:60(Compiled Code))
> 4XESTACKTRACE at org/teiid/common/buffer/impl/BufferManagerImpl.doEvictions(BufferManagerImpl.java:854(Compiled Code))
> 5XESTACKTRACE (entered lock: org/teiid/common/buffer/CacheEntry@0x00000048393C2598, entry count: 1)
> 4XESTACKTRACE at org/teiid/common/buffer/impl/BufferManagerImpl$Cleaner.run(BufferManagerImpl.java:108)
> 4XESTACKTRACE at java/util/TimerThread.mainLoop(Timer.java:555)
> 4XESTACKTRACE at java/util/TimerThread.run(Timer.java:505)
> When we added log statements around the BufferManagerImpl.doEvictions() it loops through the remove and firstEntry loop.
> Forum discussion link : https://community.jboss.org/message/901792
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[JBoss JIRA] (TEIID-2949) Issue querying Google Spreadsheet
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-2949?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-2949.
---------------------------------
> Issue querying Google Spreadsheet
> ---------------------------------
>
> Key: TEIID-2949
> URL: https://issues.jboss.org/browse/TEIID-2949
> Project: Teiid
> Issue Type: Bug
> Components: Misc. Connectors
> Affects Versions: 8.4.1
> Reporter: Van Halbert
> Assignee: Steven Hawkins
>
> Issue querying google spreadsheet:
> Steps to Reproduce:
> 1. configure resource adaptor for google in standalone.xml
> <resource-adapter id="google">
> <module slot="main" id="org.jboss.teiid.resource-adapter.google"/>
> <transaction-support>NoTransaction</transaction-support>
> <connection-definitions>
> <connection-definition class-name="org.teiid.resource.adapter.google.SpreadsheetManagedConnectionFactory" jndi-name="java:/google" enabled="true" use-java-context="true" pool-name="google">
> <config-property name="AuthMethod">
> ClientLogin
> </config-property>
> <config-property name="SpreadsheetName">
> testsheet
> </config-property>
> <config-property name="BatchSize">
> 4096
> </config-property>
> <config-property name="Username">
> hokuda.test(a)gmail.com
> </config-property>
> <config-property name="Password">
> passpassw
> </config-property>
> </connection-definition>
> </connection-definitions>
> </resource-adapter>
> 2. deploy dynamic vdb
> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
> <vdb name="test" version="1">
> <description>Dynamic Google Spreadsheet VDB</description>
> <model name="google">
> <source name="google-spreadsheet" translator-name="google-spreadsheet" connection-jndi-name="java:/google"/>
> </model>
> </vdb>
> 3. you get an exception
> 16:59:34,429 WARN [org.teiid.RUNTIME] (teiid-async-threads - 1) TEIID50036 VDB test.1 model "google" metadata failed to load. Reas
> on:Error when getting batch 404:Not Found: org.teiid.resource.adapter.google.common.SpreadsheetOperationException: Error when getti
> ng batch 404:Not Found
> at org.teiid.resource.adapter.google.dataprotocol.GoogleDataProtocolAPI$DataProtocolQueryStrategy.executeAndParse(GoogleDat
> aProtocolAPI.java:248)
> at org.teiid.resource.adapter.google.dataprotocol.GoogleDataProtocolAPI$DataProtocolQueryStrategy.getResultsBatch(GoogleDat
> aProtocolAPI.java:163)
> at org.teiid.resource.adapter.google.dataprotocol.GoogleDataProtocolAPI.getMetadata(GoogleDataProtocolAPI.java:109)
> at org.teiid.resource.adapter.google.gdata.SpreadsheetMetadataExtractor.extractMetadata(SpreadsheetMetadataExtractor.java:7
> 4)
> at org.teiid.resource.adapter.google.SpreadsheetConnectionImpl.getSpreadsheetInfo(SpreadsheetConnectionImpl.java:147)
> at org.teiid.translator.google.SpreadsheetExecutionFactory.getMetadata(SpreadsheetExecutionFactory.java:71)
> at org.teiid.translator.google.SpreadsheetExecutionFactory.getMetadata(SpreadsheetExecutionFactory.java:45)
> at org.teiid.query.metadata.NativeMetadataRepository.loadMetadata(NativeMetadataRepository.java:61) [teiid-engine-8.4.1-red
> hat-7.jar:8.4.1-redhat-7]
> at org.teiid.query.metadata.ChainingMetadataRepository.loadMetadata(ChainingMetadataRepository.java:55) [teiid-engine-8.4.1
> -redhat-7.jar:8.4.1-redhat-7]
> at org.teiid.jboss.VDBService$6.run(VDBService.java:397) [teiid-jboss-integration-8.4.1-redhat-7.jar:8.4.1-redhat-7]
> at org.teiid.jboss.VDBService$7.run(VDBService.java:444) [teiid-jboss-integration-8.4.1-redhat-7.jar:8.4.1-redhat-7]
> at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33)
> at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:806)
> at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45)
> at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:826)
> at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_45]
> at org.jboss.threads.JBossThread.run(JBossThread.java:122)
> Here's a reference to the google issue that's causing our issue:
> https://code.google.com/p/google-visualization-api-issues/issues/detail?i...
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[JBoss JIRA] (TEIID-3143) LOOP on UNION leads to java.lang.ClassCastException
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-3143?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-3143.
---------------------------------
> LOOP on UNION leads to java.lang.ClassCastException
> ---------------------------------------------------
>
> Key: TEIID-3143
> URL: https://issues.jboss.org/browse/TEIID-3143
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 6.0.0
> Reporter: Alex K.
> Assignee: Steven Hawkins
> Fix For: 8.7.1, 8.9
>
>
> the following query
>
> {code:sql}
> begin
> LOOP ON (
> select a
> FROM schema.table
> union
> select b
> FROM schema.table
> ) as cur
> begin
> end
> end
> {code}
> results in this exception (Teiid-8.9.0-Beta-1) on my machine
>
> {code:java}
> ERROR [org.teiid.PROCESSOR] (Worker0_QueryProcessorQueue11) H10b/QbWzo4K TEIID30019 Unexpected exception forrequest H10b/QbWzo4K.6: java.lang.ClassCastException: org.teiid.query.sql.lang.SetQuery cannot be casttoorg.teiid.query.sql.lang.Query
> at org.teiid.query.sql.proc.LoopStatement.clone(LoopStatement.java:136) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.query.sql.LanguageObject$Util.deepClone(LanguageObject.java:57) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.query.sql.proc.Block.clone(Block.java:147) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.query.sql.proc.CreateProcedureCommand.clone(CreateProcedureCommand.java:116) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:377) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.Request.processRequest(Request.java:437) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:609) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:315) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:254) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:274) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
> atjava.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
> {code}
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[JBoss JIRA] (TEIID-2790) Add more options for costing during import
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-2790?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-2790.
---------------------------------
> Add more options for costing during import
> ------------------------------------------
>
> Key: TEIID-2790
> URL: https://issues.jboss.org/browse/TEIID-2790
> Project: Teiid
> Issue Type: Feature Request
> Components: JDBC Connector, Misc. Connectors
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 8.7
>
>
> With many jdbc sources full cardinality is reported from the index info for non statistical indexes (such as mysql). This should be used to set the cardinality of the table. Failing that there should be an option to use an aggregate call or other source stats.
> This is not quite the same as TEIID-245 as it's happening at import time, but the two do overlap.
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[JBoss JIRA] (TEIID-2363) proactive buffering not occurring for the inner side of an outer join on "MERGE JOIN (SORT/ALREADY_SORTED)"
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-2363?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-2363.
---------------------------------
> proactive buffering not occurring for the inner side of an outer join on "MERGE JOIN (SORT/ALREADY_SORTED)"
> -----------------------------------------------------------------------------------------------------------
>
> Key: TEIID-2363
> URL: https://issues.jboss.org/browse/TEIID-2363
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 7.7.2
> Reporter: Johnathon Lee
> Assignee: Steven Hawkins
> Fix For: 8.4, 7.7.7
>
>
> The issue here is this is an outer join and the inner side (the already sorted side) will be buffered regardless. Current logic does not catch blocked exceptions from one side and pro-actively buffer the other - rather we are serially performing the sort and then continue with the loading of the inner side
> For inner joins there is a clear trade-off between execution speed and buffering so this behavior may have to be hint or config driven for non-dependent non-outer joins.
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[JBoss JIRA] (TEIID-3165) TeiidDataSource ignores jassName
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-3165?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-3165.
---------------------------------
> TeiidDataSource ignores jassName
> --------------------------------
>
> Key: TEIID-3165
> URL: https://issues.jboss.org/browse/TEIID-3165
> Project: Teiid
> Issue Type: Bug
> Affects Versions: 8.7.1
> Environment: OS: fedora 20
> arch: x86_64
> java: sun 1.7
> Reporter: Juraj Duráni
> Assignee: Steven Hawkins
> Fix For: 8.7.1, 8.9
>
>
> I am trying to connect to VDB through Kerberos authentication using TeiidDataSource:
> TeiidDataSource tds = new TeiidDataSource();
> tds.setServerName("localhost");
> tds.setPortNumber(31000);
> tds.setDatabaseName(<vdb>);
> tds.setJaasName(<jassName>);
> tds.setKerberosServicePrincipleName(<principalName>);
> but tds.getConnection(); ends with:
> TEIID20005 Client URL connection property missing "jaasName". Please add the property to connection URL
> Connection through TeiidDriver works fine:
> url: jdbc:teiid:<vdb>@mm://<host>:31000;jaasName=<jassName>;kerberosServicePrincipleName=<principalName>
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[JBoss JIRA] (TEIID-3101) Assertion failed with UNION then EXCEPT
by Steven Hawkins (JIRA)
[ https://issues.jboss.org/browse/TEIID-3101?page=com.atlassian.jira.plugin... ]
Steven Hawkins closed TEIID-3101.
---------------------------------
> Assertion failed with UNION then EXCEPT
> ---------------------------------------
>
> Key: TEIID-3101
> URL: https://issues.jboss.org/browse/TEIID-3101
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 8.9
> Reporter: Tom Arnold
> Assignee: Steven Hawkins
> Fix For: 8.7.1, 8.9
>
>
> Ran into this when playing with set operations. Teiid 8.9.0.Alpha2 from Git.
> Query:
> {code:sql}
> (select 'a' union select 'b') except select 'c';
> {code}
> Trace:
> {code}
> 03:18:45,467 DEBUG [org.teiid.COMMAND_LOG] (New I/O worker #12) WEI32e8Ynv+s START USER COMMAND: startTime=2014-08-27 03:18:45.467 requestID=WEI32e8Ynv+s.70 txID=null sessionID=WEI32e8Ynv+s applicationName=JDBCprincipal=user@teiid-security vdbName=Foo vdbVersion=1 sql=(select 'a' union select 'b') except select 'c'
> 03:18:45,470 INFO [org.teiid.PLANNER] (Worker13_QueryProcessorQueue748) WEI32e8Ynv+s
> ============================================================================
> USER COMMAND:
> SELECT 'a' UNION SELECT 'b' EXCEPT SELECT 'c'
> ----------------------------------------------------------------------------
> OPTIMIZE:
> SELECT 'a' UNION SELECT 'b' EXCEPT SELECT 'c'
> ----------------------------------------------------------------------------
> GENERATE CANONICAL:
> SELECT 'a' UNION SELECT 'b' EXCEPT SELECT 'c'
> CANONICAL PLAN:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=false})
> Project(groups=[], props={PROJECT_COLS=['a']})
> Project(groups=[], props={PROJECT_COLS=['b']})
> Project(groups=[], props={PROJECT_COLS=['c']})
> ============================================================================
> EXECUTING PlaceAccess
> AFTER:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=false})
> Project(groups=[], props={PROJECT_COLS=['a']})
> Project(groups=[], props={PROJECT_COLS=['b']})
> Project(groups=[], props={PROJECT_COLS=['c']})
> ============================================================================
> EXECUTING PlanUnions
> AFTER:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=true})
> Project(groups=[])
> Project(groups=[])
> Project(groups=[])
> ============================================================================
> EXECUTING RaiseAccess
> AFTER:
> SetOperation(groups=[])
> SetOperation(groups=[])
> Project(groups=[])
> Project(groups=[])
> Project(groups=[])
> ============================================================================
> EXECUTING AssignOutputElements
> AFTER:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false, OUTPUT_COLS=['a']})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=true, OUTPUT_COLS=['a']})
> Project(groups=[], props={PROJECT_COLS=['a'], OUTPUT_COLS=['a']})
> Project(groups=[], props={PROJECT_COLS=['b'], OUTPUT_COLS=['b']})
> Project(groups=[], props={PROJECT_COLS=['c'], OUTPUT_COLS=['c']})
> ============================================================================
> EXECUTING CalculateCost
> AFTER:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false, OUTPUT_COLS=['a'], EST_CARDINALITY=1.0, EST_COL_STATS={'a'=[1.0, 1.0]}})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=true, OUTPUT_COLS=['a'], EST_CARDINALITY=2.0, EST_COL_STATS={'a'=[1.5, 0.0]}})
> Project(groups=[], props={PROJECT_COLS=['a'], OUTPUT_COLS=['a'], EST_CARDINALITY=1.0, EST_COL_STATS={'a'=[1.0, 0.0]}})
> Project(groups=[], props={PROJECT_COLS=['b'], OUTPUT_COLS=['b'], EST_CARDINALITY=1.0, EST_COL_STATS={'b'=[1.0, 0.0]}})
> Project(groups=[], props={PROJECT_COLS=['c'], OUTPUT_COLS=['c'], EST_CARDINALITY=1.0, EST_COL_STATS={'c'=[1.0, 0.0]}})
> ============================================================================
> EXECUTING PlanSorts
> AFTER:
> SetOperation(groups=[], props={SET_OPERATION=EXCEPT, USE_ALL=false, OUTPUT_COLS=['a'], EST_CARDINALITY=1.0, EST_COL_STATS={'a'=[1.0, 1.0]}})
> SetOperation(groups=[], props={SET_OPERATION=UNION, USE_ALL=true, OUTPUT_COLS=['a'], EST_CARDINALITY=2.0, EST_COL_STATS={'a'=[1.5, 0.0]}})
> Project(groups=[])
> Project(groups=[])
> Project(groups=[])
> ============================================================================
> EXECUTING CollapseSource
> AFTER:
> SetOperation(groups=[])
> SetOperation(groups=[])
> Project(groups=[])
> Project(groups=[])
> Project(groups=[])
> ============================================================================
> CONVERTING PLAN TREE TO PROCESS TREE
> PROCESS PLAN =
> JoinNode(0) [MERGE JOIN (SORT_DISTINCT/SORT_DISTINCT)] [ANTI SEMI JOIN] criteria=['a'='c'] output=['a']
> ProjectNode(2) output=['a'] ['a']
> ProjectNode(3) output=['b'] ['b']
> ProjectNode(4) output=['c'] ['c']
> ============================================================================
> ----------------------------------------------------------------------------
> OPTIMIZATION COMPLETE:
> PROCESSOR PLAN:
> JoinNode(0) [MERGE JOIN (SORT_DISTINCT/SORT_DISTINCT)] [ANTI SEMI JOIN] criteria=['a'='c'] output=['a']
> ProjectNode(2) output=['a'] ['a']
> ProjectNode(3) output=['b'] ['b']
> ProjectNode(4) output=['c'] ['c']
> ============================================================================
> 03:18:45,473 DEBUG [org.teiid.COMMAND_LOG] (Worker13_QueryProcessorQueue748) WEI32e8Ynv+s ERROR USER COMMAND: endTime=2014-08-27 03:18:45.472 requestID=WEI32e8Ynv+s.70 txID=null sessionID=WEI32e8Ynv+s principal=user@teiid-security vdbName=Foo vdbVersion=1 finalRowCount=null
> 03:18:45,473 ERROR [org.teiid.PROCESSOR] (Worker13_QueryProcessorQueue748) WEI32e8Ynv+s TEIID30019 Unexpected exception for request WEI32e8Ynv+s.70: java.lang.AssertionError: Assertion failed.
> at org.teiid.core.util.Assertion.failed(Assertion.java:73) [teiid-common-core-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.core.util.Assertion.assertTrue(Assertion.java:68) [teiid-common-core-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.core.util.Assertion.assertTrue(Assertion.java:60) [teiid-common-core-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.SortUtility.<init>(SortUtility.java:158) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.SortUtility.<init>(SortUtility.java:194) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.SourceState.sort(SourceState.java:287) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.MergeJoinStrategy.loadRight(MergeJoinStrategy.java:359) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:208) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:136) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:444) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:326) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:254) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:274) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214) [teiid-engine-8.9.0.Alpha2-SNAPSHOT.jar:8.9.0.Alpha2-SNAPSHOT]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_02]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_02]
> at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_02]
> {code}
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