[ 
https://issues.apache.org/jira/browse/CASSANDRA-3677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13178422#comment-13178422
 ] 

Radim Kolar commented on CASSANDRA-3677:
----------------------------------------

I suspect that this is happening when node is trying to deliver hints created 
for himself (to is null after all)

because i have some stuck hints, cant list them via CLI to look at keys because 
node will OOM.

INFO [CompactionExecutor:7] 2012-01-02 15:48:13,084 CompactionTask.java (line 
221) Compacted to 
[/usr/local/cassandra/data/system/HintsColumnFamily-hc-1011-Data.db,].  
168,568,056 to 163,770,679 (~97% of original) bytes for 1 keys at 
29.619551MB/s.  Time: 5,273ms.

Its 2 node cluster and no hints were delivered to other node:

INFO [HintedHandoff:1] 2012-01-02 15:41:29,035 HintedHandOffManager.java (line 
267) Started hinted handoff for token: 99070591730234615865843651857942052864
INFO [HintedHandoff:1] 2012-01-02 15:41:29,217 HintedHandOffManager.java (line 
334) Finished hinted handoff of 0 rows to
                
> NPE during HH delivery when gossip turned off on target
> -------------------------------------------------------
>
>                 Key: CASSANDRA-3677
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3677
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.0.7
>            Reporter: Radim Kolar
>            Assignee: Brandon Williams
>            Priority: Trivial
>             Fix For: 1.0.7
>
>         Attachments: 3677.txt
>
>
> probably not important bug
> ERROR [OptionalTasks:1] 2011-12-27 21:44:25,342 AbstractCassandraDaemon.java 
> (line 138) Fatal exception in thread Thread[OptionalTasks:1,5,main]
> java.lang.NullPointerException
>         at 
> org.cliffc.high_scale_lib.NonBlockingHashMap.hash(NonBlockingHashMap.java:113)
>         at 
> org.cliffc.high_scale_lib.NonBlockingHashMap.putIfMatch(NonBlockingHashMap.java:553)
>         at 
> org.cliffc.high_scale_lib.NonBlockingHashMap.putIfMatch(NonBlockingHashMap.java:348)
>         at 
> org.cliffc.high_scale_lib.NonBlockingHashMap.putIfAbsent(NonBlockingHashMap.java:319)
>         at 
> org.cliffc.high_scale_lib.NonBlockingHashSet.add(NonBlockingHashSet.java:32)
>         at 
> org.apache.cassandra.db.HintedHandOffManager.scheduleHintDelivery(HintedHandOffManager.java:371)
>         at 
> org.apache.cassandra.db.HintedHandOffManager.scheduleAllDeliveries(HintedHandOffManager.java:356)
>         at 
> org.apache.cassandra.db.HintedHandOffManager.access$000(HintedHandOffManager.java:84)
>         at 
> org.apache.cassandra.db.HintedHandOffManager$1.run(HintedHandOffManager.java:119)
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at 
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:165)
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:267)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: 
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Reply via email to