NPE in DatabaseBackend.terminateDeadlockDetectionThread
-------------------------------------------------------
Key: SEQUOIA-1055
URL: https://forge.continuent.org/jira/browse/SEQUOIA-1055
Project: Sequoia
Type: Bug
Components: Core
Versions: sequoia 2.10.10
Reporter: Stefan Lischke
How can this happen?
Should we check for null in this code?
2008-03-19 18:52:27,531 ERROR controller.virtualdatabase.botdb
org.continuent.sequoia.common.exceptions.ControllerException
2008-03-19 18:52:27,532 ERROR controller.RequestManager.botdb Error while
disabling backends [EMAIL PROTECTED]
org.continuent.sequoia.common.exceptions.VirtualDatabaseException
at
org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabase.sendMessageToControllers(DistributedVirtualDatabase.java:2944)
at
org.continuent.sequoia.controller.requestmanager.distributed.DistributedRequestManager.disableBackendsWithCheckpoint(DistributedRequestManager.java:369)
at
org.continuent.sequoia.controller.virtualdatabase.VirtualDatabase.disableAllBackendsWithCheckpoint(VirtualDatabase.java:1734)
at
org.continuent.sequoia.controller.core.shutdown.VirtualDatabaseShutdownThread.disableAllBackendsWithCheckpoint(VirtualDatabaseShutdownThread.java:128)
at
org.continuent.sequoia.controller.core.shutdown.VirtualDatabaseSafeShutdownThread.shutdown(VirtualDatabaseSafeShutdownThread.java:55)
at
org.continuent.sequoia.controller.core.shutdown.ShutdownThread.run(ShutdownThread.java:92)
at java.lang.Thread.run(Thread.java:595)
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>(Exception.java:29)
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:212)
at
org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabase.handleMessageMultiThreaded(DistributedVirtualDatabase.java:370)
at
org.continuent.hedera.adapters.MulticastRequestAdapterThread.run(MulticastRequestAdapterThread.java:102)
Caused by: java.lang.NullPointerException
at
org.continuent.sequoia.controller.backend.DatabaseBackend.terminateDeadlockDetectionThread(DatabaseBackend.java:3052)
at
org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.terminateThreadsAndConnections(RAIDb1.java:2210)
at
org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.terminateThreadsAndConnections(RAIDb1.java:2203)
at
org.continuent.sequoia.controller.loadbalancer.raidb1.RAIDb1.disableBackend(RAIDb1.java:2175)
at
org.continuent.sequoia.controller.virtualdatabase.protocol.DisableBackendsAndSetCheckpoint.handleMessageMultiThreaded(DisableBackendsAndSetCheckpoint.java:195)
... 2 more
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