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https://issues.apache.org/jira/browse/CASSANDRA-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14173949#comment-14173949
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Jonathan Ellis commented on CASSANDRA-6592:
-------------------------------------------
Is this exactly the same stacktrace? If not, should be a separate ticket.
(Even if it is, it should be a new ticket since this one was committed several
version ago.)
> IllegalArgumentException when Preparing Statements
> --------------------------------------------------
>
> Key: CASSANDRA-6592
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6592
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Sylvain Lebresne
> Priority: Critical
> Fix For: 1.2.14, 2.0.5
>
> Attachments: 6592-2.0.txt
>
>
> When preparing a lot of statements with the python native driver, I
> occasionally get an error response with an error that corresponds to the
> following stacktrace in the cassandra logs:
> {noformat}
> ERROR [Native-Transport-Requests:126] 2014-01-11 13:58:05,503
> ErrorMessage.java (line 210) Unexpected exception during request
> java.lang.IllegalArgumentException
> at
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap.checkArgument(ConcurrentLinkedHashMap.java:259)
> at
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$BoundedEntryWeigher.weightOf(ConcurrentLinkedHashMap.java:1448)
> at
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap.put(ConcurrentLinkedHashMap.java:764)
> at
> com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap.put(ConcurrentLinkedHashMap.java:743)
> at
> org.apache.cassandra.cql3.QueryProcessor.storePreparedStatement(QueryProcessor.java:255)
> at
> org.apache.cassandra.cql3.QueryProcessor.prepare(QueryProcessor.java:221)
> at
> org.apache.cassandra.transport.messages.PrepareMessage.execute(PrepareMessage.java:77)
> at
> org.apache.cassandra.transport.Message$Dispatcher.messageReceived(Message.java:287)
> 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$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
> at
> org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)
> at
> org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
> Looking at the CLHM source, this means we're giving the statement a weight
> that's less than 1. I'll also note that these errors frequently happen in
> clumps of 2 or 3 at a time.
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