KUBE_PING Occasional NPE on shutdown ------------------------------------- Key: WFLY-13006 URL: https://issues.redhat.com/browse/WFLY-13006 Project: WildFly Issue Type: Bug Components: Clustering Reporter: Radoslav Husar Assignee: Radoslav Husar Priority: Minor 05:52:55,313 ERROR [org.jgroups.util.TimeScheduler3] (thread-6,null,xa-load-2) JGRP000169: failed executing task MERGE3: InfoSender: java.lang.NullPointerException at org.jgroups.protocols.kubernetes.KUBE_PING.readAll(KUBE_PING.java:313) at org.jgroups.protocols.kubernetes.KUBE_PING.findMembers(KUBE_PING.java:206) at org.jgroups.protocols.Discovery.invokeFindMembers(Discovery.java:216) at org.jgroups.protocols.Discovery.findMembers(Discovery.java:241) at org.jgroups.protocols.Discovery.down(Discovery.java:384) at org.jgroups.protocols.MERGE3$InfoSender.run(MERGE3.java:413) at org.jgroups.util.TimeScheduler3$Task.run(TimeScheduler3.java:328) at org.jgroups.util.TimeScheduler3$RecurringTask.run(TimeScheduler3.java:362) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.jboss.as.clustering.jgroups.ClassLoaderThreadFactory.lambda$newThread$0(ClassLoaderThreadFactory.java:52) at java.lang.Thread.run(Thread.java:748) https://github.com/jgroups-extras/jgroups-kubernetes/issues/39 https://github.com/jgroups-extras/jgroups-kubernetes/pull/88 Will be resolved with a next jgroups-kubernetes upgrade.