Here are two other errors which appear frequently:

ERROR [MutationStage:29] 2010-12-04 17:47:46,931 RowMutationVerbHandler.java (line 83) Error in row mutation
java.io.IOException: Invalid localDeleteTime read: 0
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:355)
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:312)
        at org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:129)
        at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:120)
        at org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(RowMutation.java:383)
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:393)
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:351)
        at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:52)
        at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
        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:662)


ERROR [MutationStage:15] 2010-12-04 17:48:33,216 RowMutationVerbHandler.java (line 83) Error in row mutation
org.apache.cassandra.db.ColumnSerializer$CorruptColumnException: invalid column name length 0
        at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:68)
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:363)
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:312)
        at org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:129)
        at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:120)
        at org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(RowMutation.java:383)
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:393)
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:351)
        at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:52)
        at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)


On Sat, Dec 4, 2010 at 6:29 PM, Dan Hendry <dan.hendry.junk@gmail.com> wrote:
No, all nodes are running very recent (< 2 day old) code out of the 0.7 branch. This cluster has always had 0.7 RC1(+) code running on it


On Sat, Dec 4, 2010 at 6:24 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
Are you mixing different Cassandra versions?

On Sat, Dec 4, 2010 at 4:58 PM, Dan Hendry <dan.hendry.junk@gmail.com> wrote:
> To be clear, I had to interrupt a clean operation earlier in the day be
> killing the cassandra process. Now the node works for awhile,
> but continually logging the "Error in row mutation" errors then eventually
> logs a "Fatal exception in thread" error. After which, the process stays
> alive but there seem to be problems reading from the node. At the very
> least, read performance is massively degraded.
>
> On Sat, Dec 4, 2010 at 5:52 PM, Dan Hendry <dan.hendry.junk@gmail.com>
> wrote:
>>
>> One of my Cassandra nodes is giving me a number of errors then effectively
>> dying. I think it was somehow caused by interrupting a nodetool clean
>> operation. Running a recent 0.7 build out of svn.
>> ERROR [MutationStage:26] 2010-12-04 16:23:04,395
>> RowMutationVerbHandler.java (line 83) Error in row mutation
>> java.io.EOFException
>>         at java.io.DataInputStream.readFully(DataInputStream.java:180)
>>         at
>> org.apache.cassandra.utils.FBUtilities.readByteArray(FBUtilities.java:264)
>>         at
>> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:76)
>>         at
>> org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:363)
>>         at
>> org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:312)
>>         at
>> org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:129)
>>         at
>> org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:120)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(RowMutation.java:383)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:393)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:351)
>>         at
>> org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:52)
>>         at
>> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
>>         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:662)
>> ERROR [MutationStage:13] 2010-12-04 16:25:04,061
>> RowMutationVerbHandler.java (line 83) Error in row mutation
>> org.apache.cassandra.db.UnserializableColumnFamilyException: Couldn't find
>> cfId=524288
>>         at
>> org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:117)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(RowMutation.java:383)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:393)
>>         at
>> org.apache.cassandra.db.RowMutationSerializer.deserialize(RowMutation.java:351)
>>         at
>> org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:52)
>>         at
>> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
>>         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:662)
>> ERROR [MutationStage:20] 2010-12-04 16:25:25,216
>> DebuggableThreadPoolExecutor.java (line 103) Error in ThreadPoolExecutor
>> java.lang.NullPointerException
>>         at org.apache.cassandra.db.Table.apply(Table.java:398)
>>         at
>> org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:73)
>>         at
>> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
>>         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:662)
>> ERROR [MutationStage:20] 2010-12-04 16:25:25,216
>> AbstractCassandraDaemon.java (line 90) Fatal exception in thread
>> Thread[MutationStage:20,5,main]
>> java.lang.NullPointerException
>>         at org.apache.cassandra.db.Table.apply(Table.java:398)
>>         at
>> org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:73)
>>         at
>> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:63)
>>         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:662)
>> ERROR [COMMIT-LOG-WRITER] 2010-12-04 16:25:25,216
>> AbstractCassandraDaemon.java (line 90) Fatal exception in thread
>> Thread[COMMIT-LOG-WRITER,5,main]
>> java.lang.RuntimeException: java.lang.NullPointerException
>>         at
>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
>>         at java.lang.Thread.run(Thread.java:662)
>> Caused by: java.lang.NullPointerException
>>         at
>> org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:92)
>>         at
>> org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:509)
>>         at
>> org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:52)
>>         at
>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
>>         ... 1 more
>
>



--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com