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From vd <vineetdan...@gmail.com>
Subject cluster throwing errors when new or existing node joins
Date Mon, 31 May 2010 13:21:58 GMT
Hi

I have a setup of 4 nodes, whenever I am restarting any of the nodes, even
after deleting the data directories and commit log I get the following error

ERROR 18:46:41,296 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:636)
Caused by: java.lang.NullPointerException
        at
org.apache.cassandra.db.Table$TableMetadata.getColumnFamilyId(Table.java:131)
        at org.apache.cassandra.db.Table.getColumnFamilyId(Table.java:364)
        at
org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:103)
        at
org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:475)
        at
org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:52)
        at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
        ... 1 more
ERROR 18:46:41,297 Error in ThreadPoolExecutor
java.lang.NullPointerException
        at org.apache.cassandra.db.Table.apply(Table.java:407)
        at
org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68)
        at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)
ERROR 18:46:41,299 Fatal exception in thread
Thread[ROW-MUTATION-STAGE:5,5,main]
java.lang.NullPointerException
        at org.apache.cassandra.db.Table.apply(Table.java:407)
        at
org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68)
        at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)
ERROR 18:46:51,309 Error in ThreadPoolExecutor
java.lang.NullPointerException
        at org.apache.cassandra.db.Table.apply(Table.java:407)
        at
org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68)
        at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)
ERROR 18:46:51,310 Fatal exception in thread
Thread[ROW-MUTATION-STAGE:6,5,main]


Kindly suggest what can be the reason for this error.
_______________________________________
VD
_______________________________________

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