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From "Tiwari, Dushyant" <>
Subject RE: Cassandra error while processing message
Date Thu, 14 Jun 2012 08:48:27 GMT
Hector :
Cassandra: 1.0.3

From: Tiwari, Dushyant (ISGT)
Sent: Thursday, June 14, 2012 2:16 PM
Subject: Cassandra error while processing message

Hi All,

Help needed on the following front.

In my Cassandra node logs I can see the following error: (line 201) Thrift error occurred during processing of message.
org.apache.thrift.protocol.TProtocolException: Missing version in readMessageBegin, old client?
        at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(
        at org.apache.cassandra.thrift.Cassandra$Processor.process(
        at org.apache.cassandra.thrift.CustomTThreadPoolServer$
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
        at java.util.concurrent.ThreadPoolExecutor$

In Hector client :

Caused by: me.prettyprint.hector.api.exceptions.HectorException: All host pools marked down.
Retry burden pushed out to client.
[gsc][5/8454]           at me.prettyprint.cassandra.connection.HConnectionManager.getClientFromLBPolicy(
[gsc][5/8454]           at me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(
[gsc][5/8454]           at me.prettyprint.cassandra.service.KeyspaceServiceImpl.operateWithFailover(
[gsc][5/8454]           at me.prettyprint.cassandra.service.KeyspaceServiceImpl.batchMutate(
[gsc][5/8454]           at me.prettyprint.cassandra.service.KeyspaceServiceImpl.batchMutate(
[gsc][5/8454]           at me.prettyprint.cassandra.model.MutatorImpl$3.doInKeyspace(
[gsc][5/8454]           at me.prettyprint.cassandra.model.MutatorImpl$3.doInKeyspace(
[gsc][5/8454]           at me.prettyprint.cassandra.model.KeyspaceOperationCallback.doInKeyspaceAndMeasure(
[gsc][5/8454]           at me.prettyprint.cassandra.model.ExecutingKeyspace.doExecute(
[gsc][5/8454]           at me.prettyprint.cassandra.model.MutatorImpl.execute(

After some time a null pointer exception
Caused by: java.lang.NullPointerException
[gsc][5/8454]           at me.prettyprint.cassandra.model.MutatorImpl.execute(

Can someone please explain what is happening and how can I rectify it.


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