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From Jörn Kottmann (JIRA) <uima-...@incubator.apache.org>
Subject [jira] Created: (UIMA-1658) UIMA AS worker does not respond to client initialize after failover
Date Wed, 11 Nov 2009 14:01:39 GMT
UIMA AS worker does not respond to client initialize after failover
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                 Key: UIMA-1658
                 URL: https://issues.apache.org/jira/browse/UIMA-1658
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
            Reporter: Jörn Kottmann
             Fix For: 2.3AS


A Pure Master Slave Broker is used to increase availability of the broker. 
More information about it can be found in the activemq documentation:
http://activemq.apache.org/pure-master-slave.html 

In a test we simulated Master failure through killing the process with kill -9.

Here is the log output from the worker node:
INFO  FailoverTransport              - Successfully connected to tcp://XXX1:61616

##### Here I stopped the master broker process with kill -9 #####

WARN  FailoverTransport              - Transport failed to tcp://XXX1:61616 , attempting to
automatically reconnect due to: java.io.EOFException
WARN  FailoverTransport              - Transport failed to tcp://XXX1:61616 , attempting to
automatically reconnect due to: java.io.EOFException
WARN  FailoverTransport              - Transport failed to tcp://XXX1:61616 , attempting to
automatically reconnect due to: java.io.EOFException
INFO  FailoverTransport              - Successfully reconnected to tcp://XXX2:61616
INFO  FailoverTransport              - Successfully reconnected to tcp://XXX2:61616
INFO  FailoverTransport              - Successfully reconnected to tcp://XXX2:61616 

Afterwards the client was restarted but got a time out error during initialize.
During initializes it sends a message to the worker nodes input queue, but this
message if never retrieved.

I used the activemq web interface to get some information about the message:
Command     2001
MessageFrom     ID:XXXX-51032-1257865414664-0:1:1
ServerURI     failover:(tcp://XXX1:61616,tcp://XXX2:61616)?randomize=false
MessageType     3000 


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