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Posted to dev@qpid.apache.org by "Alex Rudyy (JIRA)" <ji...@apache.org> on 2016/04/12 16:42:25 UTC

[jira] [Created] (QPID-7196) [Java Broker] ConcurrentModificationException can occur on Broker startup when virtual host is activated

Alex Rudyy created QPID-7196:
--------------------------------

             Summary: [Java Broker] ConcurrentModificationException can occur on Broker startup when virtual host is activated
                 Key: QPID-7196
                 URL: https://issues.apache.org/jira/browse/QPID-7196
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
    Affects Versions: qpid-java-6.0.1, qpid-java-6.1
            Reporter: Alex Rudyy


ConcurrentModificationException is observed on broker start-up having 2 virtual hosts with hundreds of queues:  
{noformat}
2016-04-12 15:25:40,391 ERROR [VirtualHostNode-test-Config] (o.a.q.s.m.AbstractConfiguredObject) - Failed to open object with name 'test'.  Object will be put into ERROR state.
java.util.ConcurrentModificationException: null
        at java.util.Hashtable$Enumerator.next(Hashtable.java:1367) ~[na:1.8.0_66]
        at java.util.HashMap.putMapEntries(HashMap.java:511) ~[na:1.8.0_66]
        at java.util.HashMap.putAll(HashMap.java:784) ~[na:1.8.0_66]
        at org.apache.qpid.server.model.AbstractConfiguredObject.getContextKeys(AbstractConfiguredObject.java:2758) [classes/:na]
        at org.apache.qpid.server.store.berkeleydb.BDBUtils.getCacheMode(BDBUtils.java:161) ~[classes/:na]
        at org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacadeFactory$1.getCacheMode(StandardEnvironmentFacadeFactory.java:66) ~[classes/:na]
        at org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacade.<init>(StandardEnvironmentFacade.java:110) ~[classes/:na]
        at org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacadeFactory.createEnvironmentFacade(StandardEnvironmentFacadeFactory.java:82) ~[classes/:na]
        at org.apache.qpid.server.store.berkeleydb.BDBMessageStore.openMessageStore(BDBMessageStore.java:80) ~[classes/:na]
        at org.apache.qpid.server.virtualhost.AbstractVirtualHost.onActivate(AbstractVirtualHost.java:1871) ~[classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_66]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_66]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_66]
        at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_66]
        at org.apache.qpid.server.model.AbstractConfiguredObject.attainState(AbstractConfiguredObject.java:1308) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject.attainState(AbstractConfiguredObject.java:1287) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$8.onSuccess(AbstractConfiguredObject.java:908) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$8.onSuccess(AbstractConfiguredObject.java:902) [classes/:na]
        at com.google.common.util.concurrent.Futures$6.run(Futures.java:1319) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:101) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:170) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1322) [guava-18.0.jar:na]
        at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1258) [guava-18.0.jar:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject.doAttainState(AbstractConfiguredObject.java:901) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject.access$300(AbstractConfiguredObject.java:80) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$1.execute(AbstractConfiguredObject.java:513) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$1.execute(AbstractConfiguredObject.java:500) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:561) [classes/:na]
        at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:554) [classes/:na]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$TaskLoggingWrapper.execute(TaskExecutorImpl.java:270) [classes/:na]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper$1.run(TaskExecutorImpl.java:342) [classes/:na]
        at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_66]
        at javax.security.auth.Subject.doAs(Subject.java:360) [na:1.8.0_66]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper.call(TaskExecutorImpl.java:335) [classes/:na]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_66]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_66]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_66]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
{noformat}



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