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Posted to issues@geode.apache.org by "Dharam Thacker (JIRA)" <ji...@apache.org> on 2019/02/14 12:17:00 UTC
[jira] [Commented] (GEODE-6338) Reconnect attempts throw NPE due to
JGroups channel being closed
[ https://issues.apache.org/jira/browse/GEODE-6338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768131#comment-16768131 ]
Dharam Thacker commented on GEODE-6338:
---------------------------------------
I would really appreciate if we can take this up in upcoming release [1.9.0]. This is badly impacting whenever network link fluctuates and admin member throws other one forcefully[1.9.0]
> 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
> Assignee: Bruce Schuchardt
> Priority: Major
>
> 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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