[jboss-jira] [JBoss JIRA] (JGRP-1482) NPE at org.jgroups.blocks.locking.Owner.equals(Owner.java:50)

NPE at org.jgroups.blocks.locking.Owner.equals(Owner.java:50) ------------------------------------------------------------- Key: JGRP-1482 URL: https://issues.jboss.org/browse/JGRP-1482 Project: JGroups Issue Type: Bug Affects Versions: 2.12.1 Environment: CENTRAL_LOCK Reporter: freeliuade freeliuade Assignee: Bela Ban Priority: Minor Labels: CENTRAL_LOCK Fix For: 3.0.11, 3.1 a group has two nodes, lots of threads in the two nodes will compete locks (same lock name) it's a intermittent issue, only meet twice in 12 hours longivity test. below is the exception: 2012-05-17 01:41:20,232 ERROR [org.jgroups.protocols.UNICAST][Incoming-2,7fffffff-848a-e17f-7fff-ffffffd0d52f_domainservice,PEK-WKST1DBTB-7271] couldn't deliver message [dst: PEK-WKST1DBTB-7271, src: pek-wkstdkktk-44853 (3 headers), size=81 bytes, flags=DONT_BUNDLE] java.lang.NullPointerException at org.jgroups.blocks.locking.Owner.equals(Owner.java:50) at org.jgroups.protocols.Locking$ServerLock.handleRequest(Locking.java:689) at org.jgroups.protocols.Locking.handleLockRequest(Locking.java:433) at org.jgroups.protocols.Locking.up(Locking.java:231) at org.jgroups.protocols.pbcast.STATE_TRANSFER.up(STATE_TRANSFER.java:150) at org.jgroups.protocols.FRAG2.up(FRAG2.java:189) at org.jgroups.protocols.FlowControl.up(FlowControl.java:418) at org.jgroups.protocols.FlowControl.up(FlowControl.java:400) at org.jgroups.protocols.pbcast.GMS.up(GMS.java:891) at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:246) at org.jgroups.protocols.VIEW_SYNC.up(VIEW_SYNC.java:170) at org.jgroups.protocols.UNICAST.handleDataReceived(UNICAST.java:613) at org.jgroups.protocols.UNICAST.up(UNICAST.java:294) at org.jgroups.protocols.pbcast.NAKACK.up(NAKACK.java:703) at org.jgroups.protocols.BARRIER.up(BARRIER.java:119) at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:133) at org.jgroups.protocols.FD_ALL.up(FD_ALL.java:177) at org.jgroups.protocols.FD.up(FD.java:275) at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:275) at org.jgroups.protocols.MERGE2.up(MERGE2.java:209) at org.jgroups.protocols.Discovery.up(Discovery.java:293) at org.jgroups.protocols.PING.up(PING.java:69) at org.jgroups.protocols.MPING.up(MPING.java:176) at org.jgroups.protocols.TP.passMessageUp(TP.java:1109) at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1665) at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1647) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)