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https://issues.apache.org/jira/browse/CASSANDRA-634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791400#action_12791400
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Jaakko Laine commented on CASSANDRA-634:
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Gossip SYN only includes digests for live endpoints.
You're right, this would indeed cause wrong ranges on new nodes that have not
seen the dead node when it was still alive. Write would still go to the right
node, but it would lack HINT flag.
Simply gossiping state about all nodes (dead or alive) would solve this
problem, but have to have another look tomorrow morning if it would cause any
side effects with failuredetector on the new node (might momentarily consider
the dead node to be alive, although this would probably not be a problem at
all).
> Hinted Handoff Exception
> ------------------------
>
> Key: CASSANDRA-634
> URL: https://issues.apache.org/jira/browse/CASSANDRA-634
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Chris Goffinet
> Fix For: 0.5
>
>
> Updated to the latest codebase from cassandra-0.5 branch. All nodes booted up
> fine and then I start noticing this error:
> ERROR [HINTED-HANDOFF-POOL:1] 2009-12-14 22:05:34,191 CassandraDaemon.java
> (line 71) Fatal exception in thread Thread[HINTED-HANDOFF-POOL:1,5,main]
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.cassandra.db.HintedHandOffManager$1.run(HintedHandOffManager.java:253)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at
> org.apache.cassandra.gms.FailureDetector.isAlive(FailureDetector.java:146)
> at
> org.apache.cassandra.db.HintedHandOffManager.sendMessage(HintedHandOffManager.java:106)
> at
> org.apache.cassandra.db.HintedHandOffManager.deliverAllHints(HintedHandOffManager.java:177)
> at
> org.apache.cassandra.db.HintedHandOffManager.access$000(HintedHandOffManager.java:75)
> at
> org.apache.cassandra.db.HintedHandOffManager$1.run(HintedHandOffManager.java:249)
> ... 3 more
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