[collectd] GenericJMX java.io.EOFException

[matthew sporleder]

On Thu, Jan 14, 2010 at 1:42 PM, matthew sporleder <msporleder at gmail.com> wrote:
> I just started collecting an MBean from resin and my collections work
> for a while but then start to give the following:
> [2010-01-14 13:34:40] GenericJMXConfConnection: Creating MBean server
> connection failed: java.io.IOException: Failed to retrieve RMIServer
> stub: javax.naming.CommunicationException [Root exception is
> java.rmi.UnmarshalException: error unmarshalling return; nested
> exception is:
>  java.io.EOFException]
>
> [2010-01-14 13:38:24] GenericJMXConfConnection: Creating MBean server
> connection failed: java.io.IOException: Failed to retrieve RMIServer
> stub: javax.naming.CommunicationException [Root exception is
> java.rmi.UnmarshalException: error unmarshalling return; nested
> exception is:
>  java.io.EOFException]
>
> [2010-01-14 13:39:28] GenericJMXConfConnection: Creating MBean server
> connection failed: java.io.IOException: Failed to retrieve RMIServer
>  stub: javax.naming.CommunicationException [Root exception is
> java.rmi.ConnectIOException: error during JRMP connection
> establishment; nes
> ted exception is:
>        java.net.SocketTimeoutException: Read timed out]
>
>
> --------
>
> Any hints?  Bouncing collectd doesn't seem to help so I'm not sure
> where to start looking, exactly.  If I delete the graphs they restart
> and run fine for a while again.
>
> The following is my MBean define:
>    <MBean "resin_web_connections">
>      ObjectName "resin:type=ServerConnector,*"
>      InstancePrefix "app_server-"
>      InstanceFrom name
>      <Value>
>        Type "derive"
>        Attribute "ConnectionNewCountTotal"
>        InstancePrefix "new-conn"
>        Table false
>      </Value>
>      <Value>
>        Type "derive"
>        Attribute "ConnectionFailCountTotal"
>        InstancePrefix "fail-conn"
>        Table false
>      </Value>
>      <Value>
>        Type "derive"
>        Attribute "ConnectionBusyCountTotal"
>        InstancePrefix "busy-conn"
>        Table false
>      </Value>
>    </MBean>
>

Also of note is that once these errors happen, ALL of my rrd's created
through the GenericJMX plugin populate NAN's instead of real values.