[jira] [Commented] (CASSANDRA-6592) IllegalArgumentException when Preparing Statements

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14173949#comment-14173949 ] 

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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