Uploaded image for project: 'Red Hat Data Grid'
  1. Red Hat Data Grid
  2. JDG-5327

ConcurrentModificationException for a joining node with CrossSiteReplication

    XMLWordPrintable

Details

    • False
    • None
    • False
    • User Experience
    • Hide

      No workaround needed.
      The only bad effect is the lack of metrics for JGroups.
      Everything else will work as expected.
      So the Exception can be ignored

      Show
      No workaround needed. The only bad effect is the lack of metrics for JGroups. Everything else will work as expected. So the Exception can be ignored

    Description

      If the statistics for JGroups is enabled (default) there is a race condition if nodes are joining.
      It could happen that the local cluster and XSite cluster (JChannel) connecting at the same time and access the same internal Map.

      2022-05-16 04:42:14,822 ERROR (main) [org.jgroups.JChannel] JGRP000016: exception in channelConnected callback: java.util.ConcurrentModificationException java.util.ConcurrentModificationException
          at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1226)
          at org.infinispan.remoting.transport.jgroups.JGroupsTransport.channelConnected(JGroupsTransport.java:1515)
          at org.jgroups.JChannel.lambda$notifyChannelConnected$1(JChannel.java:1104)
          at java.base/java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:807)
          at java.base/java.util.concurrent.CopyOnWriteArraySet.forEach(CopyOnWriteArraySet.java:425)
          at org.jgroups.JChannel.notifyListeners(JChannel.java:1118)
          at org.jgroups.JChannel.notifyChannelConnected(JChannel.java:1104)
          at org.jgroups.JChannel.connect(JChannel.java:363)
          at org.jgroups.JChannel.connect(JChannel.java:352)
          at org.infinispan.remoting.transport.jgroups.JGroupsTransport.startJGroupsChannelIfNeeded(JGroupsTransport.java:554)
          at org.infinispan.remoting.transport.jgroups.JGroupsTransport.start(JGroupsTransport.java:478)
          at org.infinispan.remoting.transport.jgroups.CorePackageImpl$1.start(CorePackageImpl.java:42)
          at org.infinispan.remoting.transport.jgroups.CorePackageImpl$1.start(CorePackageImpl.java:27)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.invokeStart(BasicComponentRegistryImpl.java:617)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.doStartWrapper(BasicComponentRegistryImpl.java:608)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.startWrapper(BasicComponentRegistryImpl.java:577)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.access$700(BasicComponentRegistryImpl.java:30)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl$ComponentWrapper.running(BasicComponentRegistryImpl.java:808)
          at org.infinispan.metrics.impl.MetricsCollector.start(MetricsCollector.java:70)
          at org.infinispan.metrics.impl.CorePackageImpl$1.start(CorePackageImpl.java:41)
          at org.infinispan.metrics.impl.CorePackageImpl$1.start(CorePackageImpl.java:34)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.invokeStart(BasicComponentRegistryImpl.java:617)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.doStartWrapper(BasicComponentRegistryImpl.java:608)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.startWrapper(BasicComponentRegistryImpl.java:577)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.access$700(BasicComponentRegistryImpl.java:30)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl$ComponentWrapper.running(BasicComponentRegistryImpl.java:808)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.startDependencies(BasicComponentRegistryImpl.java:635)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.doStartWrapper(BasicComponentRegistryImpl.java:599)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.startWrapper(BasicComponentRegistryImpl.java:577)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl.access$700(BasicComponentRegistryImpl.java:30)
          at org.infinispan.factories.impl.BasicComponentRegistryImpl$ComponentWrapper.running(BasicComponentRegistryImpl.java:808)
          at org.infinispan.factories.AbstractComponentRegistry.internalStart(AbstractComponentRegistry.java:354)
          at org.infinispan.factories.AbstractComponentRegistry.start(AbstractComponentRegistry.java:250)
          at org.infinispan.manager.DefaultCacheManager.internalStart(DefaultCacheManager.java:766)
          at org.infinispan.manager.DefaultCacheManager.start(DefaultCacheManager.java:734)
          at org.infinispan.server.SecurityActions.lambda$startCacheManager$1(SecurityActions.java:69)
          at org.infinispan.security.Security.doPrivileged(Security.java:56)
          at org.infinispan.server.SecurityActions.doPrivileged(SecurityActions.java:40)
          at org.infinispan.server.SecurityActions.startCacheManager(SecurityActions.java:72)
          at org.infinispan.server.Server.run(Server.java:398)
          at org.infinispan.server.Bootstrap.runInternal(Bootstrap.java:165)
          at org.infinispan.server.tool.Main.run(Main.java:98)
          at org.infinispan.server.Bootstrap.main(Bootstrap.java:50)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.base/java.lang.reflect.Method.invoke(Method.java:564)
          at org.infinispan.server.loader.Loader.run(Loader.java:106)
          at org.infinispan.server.loader.Loader.main(Loader.java:51)

      Attachments

        Issue Links

          Activity

            People

              pruivo@redhat.com Pedro Ruivo
              rhn-support-wfink Wolf Fink
              Gustavo Lira Silva Gustavo Lira Silva
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: