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https://issues.apache.org/jira/browse/CASSANDRA-7044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeremy Hanna updated CASSANDRA-7044:
------------------------------------
Labels: LWT (was: )
> LWT with SERIAL consistency gives misleading message on WriteTimeout
> --------------------------------------------------------------------
>
> Key: CASSANDRA-7044
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7044
> Project: Cassandra
> Issue Type: Bug
> Reporter: Adam Hattrell
> Priority: Major
> Labels: LWT
>
> I have a user using LWT with SERIAL consistency. We see the following stack
> trace:
> {code:none}
> ERROR [Native-Transport-Requests:61112] 2014-04-16 10:39:05,437
> ErrorMessage.java (line 222) Unexpected exception during request
> java.lang.UnsupportedOperationException: Invalid consistency level: SERIAL
> at
> org.apache.cassandra.db.ConsistencyLevel.blockFor(ConsistencyLevel.java:137)
> at
> org.apache.cassandra.service.StorageProxy.beginAndRepairPaxos(StorageProxy.java:361)
> at
> org.apache.cassandra.service.StorageProxy.cas(StorageProxy.java:220)
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.executeWithCondition(ModificationStatement.java:452)
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:407)
> at
> org.apache.cassandra.cql3.QueryProcessor.executeWithHooks(QueryProcessor.java:201)
> at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:188)
> at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:358)
> at
> org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:131)
> at
> org.apache.cassandra.transport.Message$Dispatcher.messageReceived(Message.java:304)
> at
> org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
> at
> org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
> at
> org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
> at
> org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)
> at
> org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> {code}
> It looks as though when the paxos round timesout we call blockFor() which
> currently doesn't support SERIAL.
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