[ https://issues.jboss.org/browse/TEIID-4152?page=com.atlassian.jira.plugin... ] Bram Gadeyne commented on TEIID-4152: ------------------------------------- Hi Steven, The user query was select loc.WardAbbr, inf.Patientid, inf.GivenAt, inf.MVGType, inf.pharmaid from #medcontinf as inf join MVGPatientLocations as loc on inf.patientid = loc.patientid and loc.datum = inf.GivenAt join TV_Numbers as TV_1 ON TV_1.nr <= inf.aantal join TV_Numbers as TV_2 ON TV_1.nr+TV_2.nr*10 <= inf.aantal #medcontinf is an in memory table. MVGPatientLocations is a foreign temporary table (located on a MySQL database server) TV_Numbers is a view This is the full stack trace: java.lang.AssertionError: ASSERTION FAILED: expected reference to be not null at org.teiid.core.util.Assertion.failed(Assertion.java:73) [teiid-common-core-8.11.3.jar:8.11.3] at org.teiid.core.util.Assertion.isNotNull(Assertion.java:100) [teiid-common-core-8.11.3.jar:8.11.3] at org.teiid.core.util.Assertion.isNotNull(Assertion.java:92) [teiid-common-core-8.11.3.jar:8.11.3] at org.teiid.common.buffer.TupleBuffer.getBatch(TupleBuffer.java:286) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.common.buffer.TupleBuffer$TupleBufferTupleSource.getBatch(TupleBuffer.java:74) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.common.buffer.AbstractTupleSource.getCurrentTuple(AbstractTupleSource.java:62) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.common.buffer.AbstractTupleSource.hasNext(AbstractTupleSource.java:92) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.MergeJoinStrategy.compareToPrevious(MergeJoinStrategy.java:279) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.MergeJoinStrategy.process(MergeJoinStrategy.java:237) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.EnhancedSortMergeJoinStrategy.process(EnhancedSortMergeJoinStrategy.java:416) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:227) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:102) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:148) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:457) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:339) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:267) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.11.3.jar:8.11.3] at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.11.3.jar:8.11.3] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_60] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_60] -- This message was sent by Atlassian JIRA (v6.4.11#64026)