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https://issues.apache.org/jira/browse/CASSANDRA-10089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14973556#comment-14973556
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Stefania commented on CASSANDRA-10089:
--------------------------------------
I've verified that 1.0.6 is the latest version of {{NonBlockingHashMap}} on
Maven central.
{{ConcurentHashMap}} does not seem to have this problem since the unit test
passes consistently. Therefore I've replaced NBHM with CHM and restarted CI for
all 3 branches.
Let's wait for a few more days to see if there are concerns and if not let's go
with CHM?
> NullPointerException in Gossip handleStateNormal
> ------------------------------------------------
>
> Key: CASSANDRA-10089
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10089
> Project: Cassandra
> Issue Type: Bug
> Reporter: Stefania
> Assignee: Stefania
> Fix For: 2.1.x, 2.2.x, 3.1
>
> Attachments: node1_debug.log, node2_debug.log, node3_debug.log
>
>
> Whilst comparing dtests for CASSANDRA-9970 I found [this failing
> dtest|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-9970-dtest/lastCompletedBuild/testReport/consistency_test/TestConsistency/short_read_test/]
> in 2.2:
> {code}
> Unexpected error in node1 node log: ['ERROR [GossipStage:1] 2015-08-14
> 15:39:57,873 CassandraDaemon.java:183 - Exception in thread
> Thread[GossipStage:1,5,main] java.lang.NullPointerException: null \tat
> org.apache.cassandra.service.StorageService.getApplicationStateValue(StorageService.java:1731)
> ~[main/:na] \tat
> org.apache.cassandra.service.StorageService.getTokensFor(StorageService.java:1804)
> ~[main/:na] \tat
> org.apache.cassandra.service.StorageService.handleStateNormal(StorageService.java:1857)
> ~[main/:na] \tat
> org.apache.cassandra.service.StorageService.onChange(StorageService.java:1629)
> ~[main/:na] \tat
> org.apache.cassandra.service.StorageService.onJoin(StorageService.java:2312)
> ~[main/:na] \tat
> org.apache.cassandra.gms.Gossiper.handleMajorStateChange(Gossiper.java:1025)
> ~[main/:na] \tat
> org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1106)
> ~[main/:na] \tat
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
> ~[main/:na] \tat
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:66)
> ~[main/:na] \tat
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_80] \tat
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> ~[na:1.7.0_80] \tat java.lang.Thread.run(Thread.java:745) ~[na:1.7.0_80]']
> {code}
> I wasn't able to find it on unpatched branches but it is clearly not related
> to CASSANDRA-9970, if anything it could have been a side effect of
> CASSANDRA-9871.
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