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https://issues.apache.org/jira/browse/GEODE-6959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16903176#comment-16903176
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ASF subversion and git services commented on GEODE-6959:
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Commit 5be6628bdce0b04b2cf299efe1becb163ba6bc32 in geode's branch
refs/heads/GEODE-6959-AlertAppender-missing-NPE from Kirk Lund
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=5be6628 ]
GEODE-6959: Prevent NPE in GMSMembershipManager when AlertAppender is not set
Co-authored-by: Mark Hanson <[email protected]>
Co-authored-by: Kirk Lund <[email protected]>
> NPE if AlertAppender is not defined
> -----------------------------------
>
> Key: GEODE-6959
> URL: https://issues.apache.org/jira/browse/GEODE-6959
> Project: Geode
> Issue Type: Bug
> Components: logging
> Affects Versions: 1.9.0
> Reporter: Vadim Lotarev
> Assignee: Kirk Lund
> Priority: Major
>
> NullPointer exception is produced if custom Log4j2.xml is used and
> AlertAppender is not defined.
>
> {code:java}
> 01:43:12.760 WARN [] JGRP000039: 192.168.100.109<v3>:10100: failed to
> deliver OOB message [dst: 192.168.100.109<v3>:10100, src:
> 192.168.100.109<v0>:41000 (2 headers), size=208 bytes,
> flags=OOB|DONT_BUNDLE|NO_FC|SKIP_BARRIER]: java.lang.NullPointerException
> java.lang.NullPointerException
> at
> org.apache.geode.distributed.internal.membership.gms.mgr.GMSMembershipManager.forceDisconnect(GMSMembershipManager.java:2558)
> ~[geode-core-1.9.0.jar:?]
> at
> org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.forceDisconnect(GMSJoinLeave.java:1093)
> ~[geode-core-1.9.0.jar:?]
> at
> org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.processRemoveRequest(GMSJoinLeave.java:674)
> ~[geode-core-1.9.0.jar:?]
> at
> org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.processMessage(GMSJoinLeave.java:1897)
> ~[geode-core-1.9.0.jar:?]
> at
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger$JGroupsReceiver.receive(JGroupsMessenger.java:1328)
> ~[geode-core-1.9.0.jar:?]
> at
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger$JGroupsReceiver.receive(JGroupsMessenger.java:1266)
> ~[geode-core-1.9.0.jar:?]
> at org.jgroups.JChannel.invokeCallback(JChannel.java:816)
> ~[jgroups-3.6.14.Final.jar:3.6.14.Final]
> at org.jgroups.JChannel.up(JChannel.java:741)
> ~[jgroups-3.6.14.Final.jar:3.6.14.Final]
> at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1030)
> ~[jgroups-3.6.14.Final.jar:3.6.14.Final]
> {code}
> I would propose to make AlertAppender optional.
>
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