Dikang Gu created CASSANDRA-10952:
-------------------------------------

             Summary: NullPointerException in Gossiper.getHostId
                 Key: CASSANDRA-10952
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10952
             Project: Cassandra
          Issue Type: Bug
            Reporter: Dikang Gu


We added some nodes into our cluster, for some of them, when they finish 
bootstrap, they are not shown in the `nodetool status` of other nodes.

I checked the logs and found this:
2015-12-29_05:06:23.89461 ERROR 05:06:23 Exception in thread 
Thread[GossipStage:9,5,main]
2015-12-29_05:06:23.89463 java.lang.NullPointerException: null
2015-12-29_05:06:23.89463       at 
org.apache.cassandra.gms.Gossiper.getHostId(Gossiper.java:811) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89464       at 
org.apache.cassandra.service.StorageService.handleStateNormal(StorageService.java:1664)
 ~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89464       at 
org.apache.cassandra.service.StorageService.onChange(StorageService.java:1485) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89464       at 
org.apache.cassandra.gms.Gossiper.doOnChangeNotifications(Gossiper.java:1156) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89465       at 
org.apache.cassandra.gms.Gossiper.applyNewStates(Gossiper.java:1138) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89465       at 
org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1095) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89466       at 
org.apache.cassandra.gms.GossipDigestAckVerbHandler.doVerb(GossipDigestAckVerbHandler.java:58)
 ~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89466       at 
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62) 
~[apache-cassandra-2.1.8+git20151215.c8ed2ab16.jar:2.1.8+git20151215.c8ed2ab16]
2015-12-29_05:06:23.89469       at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
~[na:1.7.0_45]
2015-12-29_05:06:23.89469       at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
~[na:1.7.0_45]
2015-12-29_05:06:23.89469       at java.lang.Thread.run(Thread.java:744) 
~[na:1.7.0_45]

This looks different than CASSANDRA-10089, so I create a new jira.



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