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Date: Thu, 16 Dec 2010 09:16:00 -0500 (EST)
From: "Michel Conrad (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Created: (CASSANDRA-1868)
 org.apache.cassandra.db.UnserializableColumnFamilyException
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org.apache.cassandra.db.UnserializableColumnFamilyException
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                 Key: CASSANDRA-1868
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1868
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 0.7.0 rc 2
         Environment: Cassandra 0.7.0-RC2
            Reporter: Michel Conrad


I recently updated a test cluster with 7 nodes from cassandra 0.6.8 to cassandra 0.7-rc2. At first it worked, but after some time the client gets a TimeoutException:

me.prettyprint.hector.api.exceptions.HTimedOutException: TimedOutException()
        at me.prettyprint.cassandra.service.ExceptionsTranslatorImpl.translate(ExceptionsTranslatorImpl.java:31)
        at me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:161)
        at me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:143)
        at me.prettyprint.cassandra.service.Operation.executeAndSetResult(Operation.java:89)
        at me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(HConnectionManager.java:142)
        at me.prettyprint.cassandra.service.KeyspaceServiceImpl.operateWithFailover(KeyspaceServiceImpl.java:129)
        at me.prettyprint.cassandra.service.KeyspaceServiceImpl.getRangeSlices(KeyspaceServiceImpl.java:165)
        at me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery$1.doInKeyspace(ThriftRangeSlicesQuery.java:67)
        at me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery$1.doInKeyspace(ThriftRangeSlicesQuery.java:63)
        at me.prettyprint.cassandra.model.KeyspaceOperationCallback.doInKeyspaceAndMeasure(KeyspaceOperationCallback.java:20)
        at me.prettyprint.cassandra.model.ExecutingKeyspace.doExecute(ExecutingKeyspace.java:65)
        at me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery.execute(ThriftRangeSlicesQuery.java:62)
Caused by: TimedOutException()
        at org.apache.cassandra.thrift.Cassandra$get_range_slices_result.read(Cassandra.java:12104)
        at org.apache.cassandra.thrift.Cassandra$Client.recv_get_range_slices(Cassandra.java:732)
        at org.apache.cassandra.thrift.Cassandra$Client.get_range_slices(Cassandra.java:704)
        at me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:149)
        ... 25 more


on the server the following exception is thrown:

 INFO [FLUSH-WRITER-POOL:1] 2010-12-07 14:32:41,282 Memtable.java (line 149) Writing Memt
 INFO [GossipStage:1] 2010-12-16 14:08:44,280 Gossiper.java (line 583) Node /94.242.198.16 has restarted, now UP again
 INFO [HintedHandoff:1] 2010-12-16 14:08:44,280 HintedHandOffManager.java (line 191) Started hinted handoff for endpoint /94.242.198.16
 INFO [HintedHandoff:1] 2010-12-16 14:08:44,281 HintedHandOffManager.java (line 247) Finished hinted handoff of 0 rows to endpoint /94.242.198.16
 INFO [GossipStage:1] 2010-12-16 14:08:44,281 StorageService.java (line 660) Node /94.242.198.16 state jump to normal
ERROR [MutationStage:30] 2010-12-16 14:09:50,247 RowMutationVerbHandler.java (line 83) Error in row mutation
org.apache.cassandra.db.UnserializableColumnFamilyException: Couldn't find cfId=962945840
        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)


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