[ https://forge.continuent.org/jira/browse/SEQUOIA-1143?page=all ]
Stephane Giron resolved SEQUOIA-1143:
-------------------------------------
Resolution: Fixed
Fixed in CVS
> Error while disabling backends due to NoSuchElementException in
> AbstractPoolConnectionManager.doConnectionFinalization(line 226)
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: SEQUOIA-1143
> URL: https://forge.continuent.org/jira/browse/SEQUOIA-1143
> Project: Sequoia
> Type: Bug
> Components: Core
> Reporter: Stephane Giron
> Assignee: Stephane Giron
> Fix For: sequoia 2.10.11
>
>
> This is due to an unsynchronized access to freeConnections.
> This unsynchronized access is done by removeIdleConnectionsThread in the
> VariablePoolConnectionManager, which is adding elements out of a synchronized
> block.
> Full stack trace is :
> Error while disabling backends
> [org.continuent.sequoia.common.jmx.management.backendi...@1a0db2]
> org.continuent.sequoia.common.exceptions.VirtualDatabaseException
> at
> org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabase.sendMessageToControllers(DistributedVirtualDatabase.java:3040)
> at
> org.continuent.sequoia.controller.requestmanager.distributed.DistributedRequestManager.disableBackendsWithCheckpoint(DistributedRequestManager.java:371)
> at
> org.continuent.sequoia.controller.requestmanager.RequestManager.disableBackendWithCheckpoint(RequestManager.java:2775)
> at
> org.continuent.sequoia.controller.virtualdatabase.VirtualDatabase.disableBackendWithCheckpoint(VirtualDatabase.java:1692)
> at
> org.continuent.sequoia.controller.virtualdatabase.management.VirtualDatabase.disableBackendWithCheckpoint(VirtualDatabase.java:213)
> at sun.reflect.GeneratedMethodAccessor209.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown
> Source)
> at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown
> Source)
> at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(Unknown Source)
> at com.sun.jmx.mbeanserver.PerInterface.invoke(Unknown Source)
> at com.sun.jmx.mbeanserver.MBeanSupport.invoke(Unknown Source)
> at javax.management.StandardMBean.invoke(Unknown Source)
> at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source)
> at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source)
> at
> org.continuent.sequoia.controller.jmx.ChainedMBeanServer.invoke(ChainedMBeanServer.java:318)
> at
> org.continuent.sequoia.controller.jmx.AuthenticatingMBeanServer.invoke(AuthenticatingMBeanServer.java:127)
> at javax.management.remote.rmi.RMIConnectionImpl.doOperation(Unknown
> Source)
> at javax.management.remote.rmi.RMIConnectionImpl.access$200(Unknown
> Source)
> at
> javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(Unknown
> Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(Unknown
> Source)
> at javax.management.remote.rmi.RMIConnectionImpl.invoke(Unknown
> Source)
> at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
> at sun.rmi.transport.Transport$1.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at sun.rmi.transport.Transport.serviceCall(Unknown Source)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown
> Source)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown
> Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
> Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Caused by: org.continuent.sequoia.common.exceptions.ControllerException
> at
> org.continuent.sequoia.common.exceptions.SequoiaException.fillInStackTrace(SequoiaException.java:103)
> at java.lang.Throwable.<init>(Throwable.java:181)
> at java.lang.Exception.<init>(Unknown Source)
> at
> org.continuent.sequoia.common.exceptions.SequoiaException.<init>(SequoiaException.java:66)
> at
> org.continuent.sequoia.common.exceptions.ControllerException.<init>(ControllerException.java:61)
> at
> org.continuent.sequoia.controller.virtualdatabase.protocol.DisableBackendsAndSetCheckpoint.handleMessageMultiThreaded(DisableBackendsAndSetCheckpoint.java:213)
> at
> org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabase.handleMessageMultiThreaded(DistributedVirtualDatabase.java:384)
> at
> org.continuent.hedera.adapters.MulticastRequestAdapterThread.run(MulticastRequestAdapterThread.java:129)
> Caused by: java.util.NoSuchElementException
> at java.util.LinkedList.remove(Unknown Source)
> at java.util.LinkedList.removeLast(Unknown Source)
> at
> org.continuent.sequoia.controller.connection.AbstractPoolConnectionManager.doConnectionFinalization(AbstractPoolConnectionManager.java:226)
> at
> org.continuent.sequoia.controller.connection.VariablePoolConnectionManager.doConnectionFinalization(VariablePoolConnectionManager.java:313)
> at
> org.continuent.sequoia.controller.connection.AbstractConnectionManager.finalizeConnections(AbstractConnectionManager.java:337)
> at
> org.continuent.sequoia.controller.backend.DatabaseBackend.finalizeConnections(DatabaseBackend.java:677)
> at
> org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.terminateThreadsAndConnections(RAIDb1.java:2265)
> at
> org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.terminateThreadsAndConnections(RAIDb1.java:2256)
> at
> org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.disableBackend(RAIDb1.java:2228)
> at
> org.continuent.sequoia.controller.virtualdatabase.protocol.DisableBackendsAndSetCheckpoint.handleMessageMultiThreaded(DisableBackendsAndSetCheckpoint.java:196)
> ... 2 more
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