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Date: Thu, 20 Jun 2013 15:25:21 +0000 (UTC)
From: "Jonathan Ellis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Updated] (CASSANDRA-5668) NPE in net.OutputTcpConnection
 when tracing is enabled
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     [ https://issues.apache.org/jira/browse/CASSANDRA-5668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-5668:
--------------------------------------

    Attachment: 5668.txt

Good idea to check for REQUEST_RESPONSE, although it's not quite as easy as it sounds since we still need to be able to inject the TraceState into the executor stage.  Patch attached.

(Note that once the session is closed we won't know elapsed time anymore.  I don't see a good way around this.)
                
> NPE in net.OutputTcpConnection when tracing is enabled
> ------------------------------------------------------
>
>                 Key: CASSANDRA-5668
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5668
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.6, 2.0 beta 1
>            Reporter: Ryan McGuire
>         Attachments: 5668-assert-2.txt, 5668-assert.txt, 5668-logs.tar.gz, 5668_npe_ddl.cql, 5668_npe_insert.cql, 5668.txt, system.log
>
>
> I get multiple NullPointerException when trying to trace INSERT statements.
> To reproduce:
> {code}
> $ ccm create -v git:trunk
> $ ccm populate -n 3
> $ ccm start
> $ ccm node1 cqlsh < 5668_npe_ddl.cql
> $ ccm node1 cqlsh < 5668_npe_insert.cql
> {code}
> And see many exceptions like this in the logs of node1:
> {code}
> ERROR [WRITE-/127.0.0.3] 2013-06-19 14:54:35,885 OutboundTcpConnection.java (line 197) error writing to /127.0.0.3
> java.lang.NullPointerException
>         at org.apache.cassandra.net.OutboundTcpConnection.writeConnected(OutboundTcpConnection.java:182)
>         at org.apache.cassandra.net.OutboundTcpConnection.run(OutboundTcpConnection.java:144)
> {code}
> This is similar to CASSANDRA-5658 and is the reason that npe_ddl and npe_insert are separate files.

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