Max Shaposhnyk created JGRP-2423: ------------------------------------ Summary: NPE during unlock operation Key: JGRP-2423 URL: https://issues.redhat.com/browse/JGRP-2423 Project: JGroups Issue Type: Bug Affects Versions: 4.1.8 Reporter: Max Shaposhnyk Assignee: Bela Ban The following NPE's are apperaing in the che.openshift.io production server logs causing the multiple threads to blocking and break down some fuctionality. {noformat} java.lang.NullPointerException: null at org.jgroups.util.Owner.compareTo(Owner.java:59) at org.jgroups.protocols.Locking$ClientLock.compareTo(Locking.java:1142) at org.jgroups.protocols.Locking$ClientLock.compareTo(Locking.java:942) at java.util.concurrent.ConcurrentSkipListMap.cpr(ConcurrentSkipListMap.java:655) at java.util.concurrent.ConcurrentSkipListMap.doPut(ConcurrentSkipListMap.java:835) at java.util.concurrent.ConcurrentSkipListMap.putIfAbsent(ConcurrentSkipListMap.java:1979) at java.util.concurrent.ConcurrentSkipListSet.add(ConcurrentSkipListSet.java:241) at org.jgroups.protocols.Locking$ClientLockTable.addToPendingReleaseRequest {noformat} additional links: [1] https://github.com/eclipse/che/issues/15231 [2] https://issues.redhat.com/browse/JGRP-2299 [3] https://issues.redhat.com/browse/JGRP-2364 [4] https://github.com/eclipse/che/blob/master/assembly/assembly-wsmaster-war... -- This message was sent by Atlassian Jira (v7.13.8#713008)