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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: NullPointerException in TCP Selector Manager [Cassandra 0.5.1]
Date Thu, 23 Sep 2010 19:58:30 GMT
Yes, that is a problem with 0.5.1.  Unfortunately we are not planning
any more releases to 0.5.

On Thu, Sep 23, 2010 at 1:18 PM, Adam Holmberg
<adam.holmberg.list@gmail.com> wrote:
> Hello,
>
> I've been working with Cassandra for some time and get this error
> intermittently:
>
> ERROR [TCP Selector Manager] 2010-09-23 08:42:18,138 service.CassandraDaemon
> Fatal exception in thread Thread[TCP Selector Manager,5,main]
> java.lang.NullPointerException
>         at
> org.apache.cassandra.net.TcpConnection.resumeStreaming(TcpConnection.java:268)
>         at
> org.apache.cassandra.net.TcpConnection.connect(TcpConnection.java:354)
>         at
> org.apache.cassandra.net.SelectorManager.doProcess(SelectorManager.java:143)
>         at
> org.apache.cassandra.net.SelectorManager.run(SelectorManager.java:2107)
>
> Unfortunately when this happens the socket is left open so clients connect,
> but are never serviced. When this happens I am forced to restart the node.
>
> We're running version 0.5.1. I know there are much newer versions, but we
> have been frozen on this for various reasons.
>
> I am wondering if this is/was a known issue with this version, or if I am
> doing something wrong. My searches thus far have yielded nothing on the
> matter.
>
> Any insights would be appreciated.
>
> Regards,
> Adam
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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