[GEODE-6959] NPE if AlertAppender is not defined

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.0, 1.10.0
• Fix Version/s: 1.9.1, 1.10.0
• Component/s: logging
• Assignee: Kirk Lund
• Reporter: Vadim Lotarev
• Created: 12/Jul/19 13:38
• Updated: 06/Sep/19 00:12
• Resolved: 13/Aug/19 16:14

Description

NullPointer exception is produced if custom Log4j2.xml is used and AlertAppender is not defined.

 

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]

 I would propose to make AlertAppender optional.

 

Issue Links

• links to: GitHub Pull Request #3898
• links to: GitHub Pull Request #3899