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https://issues.apache.org/jira/browse/QPID-8289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898698#comment-16898698
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ASF GitHub Bot commented on QPID-8289:
--------------------------------------
overmeulen commented on issue #33: QPID-8289: [Broker-J] Broker startup can
fail due to ConcurrentModificationException
URL: https://github.com/apache/qpid-broker-j/pull/33#issuecomment-517609770
The appveyor failure seems technical...
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> [Broker-J] Broker startup can fail due to ConcurrentModificationException
> -------------------------------------------------------------------------
>
> Key: QPID-8289
> URL: https://issues.apache.org/jira/browse/QPID-8289
> Project: Qpid
> Issue Type: Bug
> Components: Broker-J
> Affects Versions: qpid-java-broker-7.1.1
> Reporter: Alex Rudyy
> Priority: Minor
>
> The startup can fail with the following exception
> {noformat}
> ERROR [VirtualHostNode-default-Config] (o.a.q.s.m.AbstractConfiguredObject) -
> Failed to open object with name 'default'. Object will be put into ERROR
> state.
> org.apache.qpid.server.configuration.IllegalConfigurationException: Cannot
> open virtual host message store:null
> at
> org.apache.qpid.server.virtualhost.AbstractVirtualHost.validateMessageStoreCreation(AbstractVirtualHost.java:563)
> at
> org.apache.qpid.server.virtualhost.AbstractVirtualHost.onValidate(AbstractVirtualHost.java:398)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject.doValidation(AbstractConfiguredObject.java:1205)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject$1.execute(AbstractConfiguredObject.java:589)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject$1.execute(AbstractConfiguredObject.java:578)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:639)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:632)
> at
> org.apache.qpid.server.configuration.updater.TaskExecutorImpl$TaskLoggingWrapper.execute(TaskExecutorImpl.java:248)
> at
> org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper$1.run(TaskExecutorImpl.java:320)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:360)
> at
> org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper.call(TaskExecutorImpl.java:313)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125)
> at
> com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:57)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at
> org.apache.qpid.server.bytebuffer.QpidByteBufferFactory.lambda$null$0(QpidByteBufferFactory.java:464)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.util.ConcurrentModificationException: null
> at java.util.Hashtable$Enumerator.next(Hashtable.java:1383)
> at java.util.HashMap.putMapEntries(HashMap.java:512)
> at java.util.HashMap.putAll(HashMap.java:785)
> at
> org.apache.qpid.server.model.AbstractConfiguredObject.getContextKeys(AbstractConfiguredObject.java:3508)
> at
> org.apache.qpid.server.store.berkeleydb.BDBUtils.getContextSettingsWithNameMatchingRegExpPattern(BDBUtils.java:130)
> at
> org.apache.qpid.server.store.berkeleydb.BDBUtils.getEnvironmentConfigurationParameters(BDBUtils.java:119)
> at
> org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacadeFactory$1.getParameters(StandardEnvironmentFacadeFactory.java:73)
> at
> org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacade.<init>(StandardEnvironmentFacade.java:116)
> at
> org.apache.qpid.server.store.berkeleydb.StandardEnvironmentFacadeFactory.createEnvironmentFacade(StandardEnvironmentFacadeFactory.java:89)
> at
> org.apache.qpid.server.store.berkeleydb.BDBMessageStore.doOpen(BDBMessageStore.java:57)
> at
> org.apache.qpid.server.store.berkeleydb.AbstractBDBMessageStore.openMessageStore(AbstractBDBMessageStore.java:131)
> at
> org.apache.qpid.server.virtualhost.AbstractVirtualHost.validateMessageStoreCreation(AbstractVirtualHost.java:559)
> ... 18 common frames omitted
> {noformat}
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