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From Gary Dusbabek <gdusba...@gmail.com>
Subject Re: 0.7 beta 1 - "error in row mutation" and NPE
Date Mon, 23 Aug 2010 19:03:49 GMT
It looks like you're running into
https://issues.apache.org/jira/browse/CASSANDRA-1403, which was fixed
last week and will be included in beta2.

If you are experiencing this on trunk, please do file another ticket,
or comment on the existing one.

Gary.


On Mon, Aug 23, 2010 at 13:33, B. Todd Burruss <bburruss@real.com> wrote:
> i see the following in my server logs quite closely while doing a lot of
> batch_mutations and reads.  i create keyspaces and column families using
> thrift api, not cassandra.yaml.  did not migrate anything from 0.6.
>
> 4 node cluster, RF = 3, QUORUM read/write.
>
> happens immediately on a fresh start of the cluster with no data - removed
> all data and commit logs before starting.
>
> i believe the problem is because the creation of the keyspace/CFs has
> possible not propagated to all nodes before i start slamming with the
> batch_mutates and gets.  if i put a 1 second sleep after the keyspace has
> been created, but before i start using it, all is well.
>
>
> ERROR [ROW-MUTATION-STAGE:19] 2010-08-23 11:14:30,659
> RowMutationVerbHandler.java (line 78) Error in row mutation
> org.apache.cassandra.db.UnserializableColumnFamilyException: Couldn't find
> cfId=1001
> at
> org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:115)
> at
> org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(RowMutation.java:372)
> at
> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:382)
> at
> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:340)
> at
> org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:46)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:41)
> 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)
>
> ERROR [ROW-READ-STAGE:6] 2010-08-23 11:26:04,197
> DebuggableThreadPoolExecutor.java (line 102) Error in ThreadPoolExecutor
> java.lang.NullPointerException
> at org.apache.cassandra.db.Table.open(Table.java:104)
> at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:70)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:41)
> 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)
>
>

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