Bruce Schuchardt created GEODE-6338:
---------------------------------------
Summary: Reconnect attempts throw NPE due to JGroups channel being
closed
Key: GEODE-6338
URL: https://issues.apache.org/jira/browse/GEODE-6338
Project: Geode
Issue Type: Bug
Components: membership
Reporter: Bruce Schuchardt
Twice this week people have reported null pointer exceptions in auto-reconnect
attempts looking like this:
{noformat}
org.apache.geode.SystemConnectException: Problem starting up membership services
at
org.apache.geode.distributed.internal.membership.gms.GMSMemberFactory.newMembershipManager(GMSMemberFactory.java:114)
at
org.apache.geode.distributed.internal.membership.MemberFactory.newMembershipManager(MemberFactory.java:90)
at
org.apache.geode.distributed.internal.ClusterDistributionManager.<init>(ClusterDistributionManager.java:771)
at
org.apache.geode.distributed.internal.ClusterDistributionManager.<init>(ClusterDistributionManager.java:889)
at
org.apache.geode.distributed.internal.ClusterDistributionManager.create(ClusterDistributionManager.java:533)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.initialize(InternalDistributedSystem.java:769)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:362)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:348)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:342)
at
org.apache.geode.distributed.DistributedSystem.connect(DistributedSystem.java:215)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.reconnect(InternalDistributedSystem.java:2704)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.tryReconnect(InternalDistributedSystem.java:2530)
at
org.apache.geode.distributed.internal.InternalDistributedSystem.disconnect(InternalDistributedSystem.java:1044)
at
org.apache.geode.distributed.internal.ClusterDistributionManager$DMListener.membershipFailure(ClusterDistributionManager.java:3406)
at
org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager.uncleanShutdown(GMSMembershipManager.java:1534)
at
org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager.lambda$forceDisconnect$3(GMSMembershipManager.java:2531)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at
org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger.establishLocalAddress(JGroupsMessenger.java:483)
at
org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger.start(JGroupsMessenger.java:361)
at
org.apache.geode.distributed.internal.membership.gms.Services.start(Services.java:146)
at
org.apache.geode.distributed.internal.membership.gms.GMSMemberFactory.newMembershipManager(GMSMemberFactory.java:105)
... 16 more
{noformat}
This seems to indicate that the JGroups channel was somehow closed but
auto-reconnect attempts continued. If the JGroups channel is closed
auto-reconnect attempts should cease.
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