[teiid-issues] [JBoss JIRA] Assigned: (TEIID-763) Exceptions from cache under load

Exceptions from cache under load -------------------------------- Key: TEIID-763 URL: https://jira.jboss.org/jira/browse/TEIID-763 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 6.1.0 Reporter: Steven Hawkins Assignee: Ramesh Reddy Fix For: 6.2.0 The following exceptions happen occasional under load. These exceptions are mostly cosmetic though, since they are happening only during removal. Exception in thread "Worker5" java.lang.NullPointerException at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java:145) at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java:63) at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java:303) at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java:357) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:247) at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:44) at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java:211) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) Exception in thread "Worker0" org.jboss.cache.NodeNotValidException: Node /Teiid/Scoped-Cache is not valid. Perhaps it has been moved or removed. at org.jboss.cache.invocation.NodeInvocationDelegate.assertValid(NodeInvocationDelegate.java:527) at org.jboss.cache.invocation.NodeInvocationDelegate.assertValid(NodeInvocationDelegate.java) at org.jboss.cache.invocation.NodeInvocationDelegate.getChild(NodeInvocationDelegate.java:360) at org.jboss.cache.invocation.NodeInvocationDelegate.getChild(NodeInvocationDelegate.java) at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java:145) at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java) at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java:63) at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java) at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java:303) at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java) at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java:357) at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:247) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java) at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:44) at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java) at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java:211) at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619)