[jboss-jira] [JBoss JIRA] (WFLY-10920) IllegalStateException: java.util.ConcurrentModificationException

[tommaso borgato (JIRA)]

tommaso borgato created WFLY-10920:
--------------------------------------

             Summary: IllegalStateException: java.util.ConcurrentModificationException
                 Key: WFLY-10920
                 URL: https://issues.jboss.org/browse/WFLY-10920
             Project: WildFly
          Issue Type: Bug
          Components: MP Config
            Reporter: tommaso borgato
            Assignee: Jeff Mesnil
         Attachments: clusterbench-ee7-shared-sessions.ear, perf18-consoleText.txt

Affected scenario is [perflab_eap-7x-failover-http-session-shutdown-dist-sync-shared-sessions|https://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/perflab_eap-7x-failover-http-session-shutdown-dist-sync-shared-sessions/1/console-perf18/consoleText]: it is a 4 nodes fail-over scenario where the deployed EAR contains two WAR with shared http session:

{{clusterbench-ee7-shared-sessions.ear/META-INF/jboss-all.xml}}:
{noformat}
<jboss umlns="urn:jboss:1.0">
    <shared-session-config xmlns="urn:jboss:shared-session-config:1.0">
        <session-config>
            <cookie-config>
                <path>/</path>
            </cookie-config>
        </session-config>
    </shared-session-config>
</jboss>
{noformat}

During server shut-down the EAR is stopped and we observe the following error:

{noformat}
[JBossINF] 05:49:46,803 INFO  [org.jboss.as.clustering.infinispan] (ServerService Thread Pool -- 99) WFLYCLINF0003: Stopped clusterbench-ee7-shared-sessions.ear cache from web container
[JBossINF] 05:49:46,805 INFO  [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service thread 1-1) ISPN000080: Disconnecting JGroups channel ejb
[JBossINF] 05:49:46,813 ERROR [org.jboss.as.server.deployment] (MSC service thread 1-6) WFLYSRV0043: Deployment unit processor org.wildfly.extension.microprofile.config.smallrye.deployment.SubsystemDeploymentProcessor at 6953f688 unexpectedly threw an exception during undeploy phase POST_MODULE of subdeployment "clusterbench-ee7-web-default-2.war" of deployment "clusterbench-ee7-shared-sessions.ear": java.util.ConcurrentModificationException
[JBossINF] 	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
[JBossINF] 	at java.util.HashMap$EntryIterator.next(HashMap.java:1476)
[JBossINF] 	at java.util.HashMap$EntryIterator.next(HashMap.java:1474)
[JBossINF] 	at io.smallrye.config.SmallRyeConfigProviderResolver.releaseConfig(SmallRyeConfigProviderResolver.java:71)
[JBossINF] 	at org.wildfly.extension.microprofile.config.smallrye.deployment.SubsystemDeploymentProcessor.undeploy(SubsystemDeploymentProcessor.java:102)
[JBossINF] 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.safeUndeploy(DeploymentUnitPhaseService.java:211)
[JBossINF] 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.stop(DeploymentUnitPhaseService.java:204)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:1792)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.execute(ServiceControllerImpl.java:1761)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1556)
[JBossINF] 	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
[JBossINF] 	at java.lang.Thread.run(Thread.java:748)
[JBossINF] 
[JBossINF] 05:49:46,812 ERROR [org.jboss.as.server.deployment] (MSC service thread 1-4) WFLYSRV0043: Deployment unit processor org.wildfly.extension.microprofile.config.smallrye.deployment.SubsystemDeploymentProcessor at 6953f688 unexpectedly threw an exception during undeploy phase POST_MODULE of subdeployment "clusterbench-ee7-web-default-1.war" of deployment "clusterbench-ee7-shared-sessions.ear": java.util.ConcurrentModificationException
[JBossINF] 	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
[JBossINF] 	at java.util.HashMap$EntryIterator.next(HashMap.java:1476)
[JBossINF] 	at java.util.HashMap$EntryIterator.next(HashMap.java:1474)
[JBossINF] 	at io.smallrye.config.SmallRyeConfigProviderResolver.releaseConfig(SmallRyeConfigProviderResolver.java:71)
[JBossINF] 	at org.wildfly.extension.microprofile.config.smallrye.deployment.SubsystemDeploymentProcessor.undeploy(SubsystemDeploymentProcessor.java:102)
[JBossINF] 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.safeUndeploy(DeploymentUnitPhaseService.java:211)
[JBossINF] 	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.stop(DeploymentUnitPhaseService.java:204)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:1792)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.execute(ServiceControllerImpl.java:1761)
[JBossINF] 	at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1556)
[JBossINF] 	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
[JBossINF] 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
[JBossINF] 	at java.lang.Thread.run(Thread.java:748)
{noformat}

Find attached:
- the complete server log (perf18-consoleText.txt)
- the EAR (clusterbench-ee7-shared-sessions.ear)



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