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https://issues.apache.org/jira/browse/CASSANDRA-7144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14004910#comment-14004910
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Jason Punyon commented on CASSANDRA-7144:
-----------------------------------------
I'm Jason and I work at Stack Overflow. We're bit by this right now on our
2.0.6 cluster and we haven't wiped it out yet.
We got to this state on Friday after a power outage took out our entire
datacenter (https://twitter.com/JasonPunyon/status/467290879569719296). We have
a 3-node cluster and we interact with it using the CqlSharp library. We do our
reads and writes at QUORUM, some of them are batches. The first symptom of the
problem was that both read and write operations were timing out. When we dug
in, we found that nodes 1 and 3 were throwing errors (not enough responses),
but node 2 would execute the exact same operations fine at quorum. Nodes 1 and
3 would execute reads fine at ONE.
We're pretty interested in getting it fixed. Is there any way we can help?
> CassandraDaemon RowMutation exception
> -------------------------------------
>
> Key: CASSANDRA-7144
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7144
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Ubuntu 12.04 w/ Oracle JVM, 5 nodes cluster. Nodes 2GB /
> 2 Cores in DigitalOcean.
> Reporter: Maxime Lamothe-Brassard
> Assignee: Tyler Hobbs
>
> First time reporting a bug here, apologies if I'm not posting it in the right
> space.
> At what seems like random interval, on random nodes in random situations I
> will get the following exception. After this the hinted handoff start timing
> out and the node stops participating in the cluster.
> I started seeing these after switching to the Cassandra Python-Driver from
> the Python-CQL driver.
> {noformat}
> ERROR [WRITE-/10.128.180.108] 2014-05-03 13:45:12,843 CassandraDaemon.java
> (line 198) Exception in thread Thread[WRITE-/10.128.180.108,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:271)
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:259)
> at org.apache.cassandra.net.MessageOut.serialize(MessageOut.java:120)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeInternal(OutboundTcpConnection.java:251)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeConnected(OutboundTcpConnection.java:203)
> at
> org.apache.cassandra.net.OutboundTcpConnection.run(OutboundTcpConnection.java:151)
> ERROR [WRITE-/10.128.194.70] 2014-05-03 13:45:12,843 CassandraDaemon.java
> (line 198) Exception in thread Thread[WRITE-/10.128.194.70,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:271)
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:259)
> at org.apache.cassandra.net.MessageOut.serialize(MessageOut.java:120)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeInternal(OutboundTcpConnection.java:251)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeConnected(OutboundTcpConnection.java:203)
> at
> org.apache.cassandra.net.OutboundTcpConnection.run(OutboundTcpConnection.java:151)
> ERROR [MutationStage:118] 2014-05-03 13:45:15,048 CassandraDaemon.java (line
> 198) Exception in thread Thread[MutationStage:118,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:271)
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:259)
> at
> org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:654)
> at
> org.apache.cassandra.db.HintedHandOffManager.hintFor(HintedHandOffManager.java:137)
> at
> org.apache.cassandra.service.StorageProxy.writeHintForMutation(StorageProxy.java:908)
> at
> org.apache.cassandra.service.StorageProxy$6.runMayThrow(StorageProxy.java:881)
> at
> org.apache.cassandra.service.StorageProxy$HintRunnable.run(StorageProxy.java:1981)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> ERROR [MutationStage:117] 2014-05-03 13:45:15,048 CassandraDaemon.java (line
> 198) Exception in thread Thread[MutationStage:117,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:271)
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:259)
> at
> org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:654)
> at
> org.apache.cassandra.db.HintedHandOffManager.hintFor(HintedHandOffManager.java:137)
> at
> org.apache.cassandra.service.StorageProxy.writeHintForMutation(StorageProxy.java:908)
> at
> org.apache.cassandra.service.StorageProxy$6.runMayThrow(StorageProxy.java:881)
> at
> org.apache.cassandra.service.StorageProxy$HintRunnable.run(StorageProxy.java:1981)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> {noformat}
> The service must be restarted for the node to come back online. Let me know
> any additional configuration details needed.
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