[teiid-issues] [JBoss JIRA] (TEIID-4049) OData 4 query hangs in test run

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-4049.
-----------------------------------
    Resolution: Rejected


It seems that a native thread can't be created and the exception is being swallowed (not in Teiid) and no result is being delivered.

> OData 4 query hangs in test run
> -------------------------------
>
>                 Key: TEIID-4049
>                 URL: https://issues.jboss.org/browse/TEIID-4049
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>
> During the run of:
> org.teiid.olingo.TestODataIntegration.testExpandSimple(TestODataIntegration.java:988)
> The server seems to be in an indefinite wait state:
> "qtp1207140081-380" #380 prio=5 os_prio=0 tid=0x00007f7c94bbb800 nid=0x3642 in Object.wait() [0x00007f7c6a6cc000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:287)
> 	- locked <0x0000000770e1c130> (a org.teiid.dqp.internal.process.RequestWorkItem)
> 	at org.teiid.dqp.internal.process.DQPCore.executeRequest(DQPCore.java:313)
> 	at org.teiid.dqp.internal.process.DQPCore.executeRequest(DQPCore.java:245)
> 	at sun.reflect.GeneratedMethodAccessor103.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.teiid.transport.LocalServerConnection$1$1.call(LocalServerConnection.java:190)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)
> 	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:260)
> 	at org.teiid.transport.LocalServerConnection$1.invoke(LocalServerConnection.java:188)
> 	at com.sun.proxy.$Proxy15.executeRequest(Unknown Source)
> 	at org.teiid.jdbc.StatementImpl.execute(StatementImpl.java:673)
> 	at org.teiid.jdbc.StatementImpl.executeSql(StatementImpl.java:539)
> 	at org.teiid.jdbc.PreparedStatementImpl.executeQuery(PreparedStatementImpl.java:260)
> 	at org.teiid.jdbc.PreparedStatementImpl.executeQuery(PreparedStatementImpl.java:73)
> 	at org.teiid.olingo.service.LocalClient.executeSQL(LocalClient.java:228)
> 	at org.teiid.olingo.service.TeiidServiceHandler.executeQuery(TeiidServiceHandler.java:347)
> 	at org.teiid.olingo.service.TeiidServiceHandler.read(TeiidServiceHandler.java:167)
> 	at org.apache.olingo.server.core.requests.DataRequest$EntityRequest.execute(DataRequest.java:302)
> 	at org.apache.olingo.server.core.requests.DataRequest.execute(DataRequest.java:245)
> 	at org.apache.olingo.server.core.ServiceDispatcher.execute(ServiceDispatcher.java:117)
> 	at org.apache.olingo.server.core.OData4HttpHandler.process(OData4HttpHandler.java:65)
> 	at org.teiid.olingo.web.ODataServlet.service(ODataServlet.java:50)
> Just trying to run the test or the whole test class in isolation through many iterations has not reproduced this, so I'm logging this for now in hopes that if others see this we may get more details as to when it occurs. 



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