[ https://issues.apache.org/jira/browse/CASSANDRA-7246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029694#comment-14029694 ]
Brandon Williams commented on CASSANDRA-7246: --------------------------------------------- That's a good point, and there's something else going on here: bq. INFO 02:18:53,494 FatClient /10.x.y.z has been silent for 30000ms, removing from gossip Why is it a fat client? > Gossip Null Pointer Exception when a cassandra instance in ring is restarted > ---------------------------------------------------------------------------- > > Key: CASSANDRA-7246 > URL: https://issues.apache.org/jira/browse/CASSANDRA-7246 > Project: Cassandra > Issue Type: Bug > Components: Core > Environment: 12 node ring of 1.2.x. > 11 of 12 are 1.2.15. > 1 is 1.2.16. > Reporter: Peter Haggerty > Assignee: Brandon Williams > Priority: Minor > Labels: gossip, nullpointerexception > Attachments: 7246.txt > > > 12 Cassandra instances, one per node. > 11 of the Cassandra instances are 1.2.15. > 1 of the Cassandra instances is 1.2.16. > One of the eleven 1.2.15 Cassandra instances is restarted (disable thrift, > gossip, then flush, drain, stop, start). > The 1.2.16 Cassandra instance noted this by throwing a Null Pointer > Exception. None of the 1.2.15 instances threw an exception and this is new > behavior that hasn't been observed before. > ERROR 02:18:06,009 Exception in thread Thread[GossipStage:1,5,main] > java.lang.NullPointerException > at org.apache.cassandra.gms.Gossiper.convict(Gossiper.java:264) > at > org.apache.cassandra.gms.FailureDetector.forceConviction(FailureDetector.java:246) > at > org.apache.cassandra.gms.GossipShutdownVerbHandler.doVerb(GossipShutdownVerbHandler.java:37) > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:724) > INFO 02:18:23,402 Node /10.x.y.x is now part of the cluster > INFO 02:18:23,403 InetAddress /10.x.y.z is now UP > INFO 02:18:53,494 FatClient /10.x.y.z has been silent for 30000ms, removing > from gossip > INFO 02:19:00,031 Handshaking version with /10.x.y.z -- This message was sent by Atlassian JIRA (v6.2#6252)