DV "java.util.ArrayList cannot be cast to java.lang.String" error when querying ODATA

Solution Verified - Updated -

Issue

  • We are currently facing a class cast exception error (as below) when querying ODATA source:
11:12:02,491 ERROR [org.teiid.CONNECTOR] (Worker0_QueryProcessorQueue0) Connector worker process failed for atomic-request=dxADYNormgyu.0.0.0: java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.String
                at org.teiid.translator.odata.BaseQueryExecution.executeWithReturnEntity(BaseQueryExecution.java:123)
                at org.teiid.translator.odata.ODataQueryExecution.execute(ODataQueryExecution.java:108)
                at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:254)
                at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:444)
                at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:157)
                at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:154)
                at java.util.concurrent.FutureTask.run(Unknown Source) [rt.jar:1.7.0_51]
                at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58)
                at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269)
                at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
                at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214)
                at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_51]
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_51]
                at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_51]

Environment

  • Red Hat JBoss Data Virtualization (DV) 6.0 pre GA

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