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From "Bruno Freudensprung (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-2143) CPE can't reconnect to restarted instances of a Vinci service
Date Wed, 11 May 2011 09:58:47 GMT
CPE can't reconnect to restarted instances of a Vinci service 
--------------------------------------------------------------

                 Key: UIMA-2143
                 URL: https://issues.apache.org/jira/browse/UIMA-2143
             Project: UIMA
          Issue Type: Bug
          Components: Collection Processing
    Affects Versions: 2.3.1SDK
         Environment: Window XP
            Reporter: Bruno Freudensprung


If you have this remote Vinci cas processor (configured to continue in case of error) in a
CPE (that has 4 processing pipelines):
    <casProcessors casPoolSize="5" processingUnitThreadCount="4">
        <casProcessor deployment="remote" name="Analytics2">
            <descriptor>
                <include href="Default_Analytics2.xml"/>
            </descriptor>
            <deploymentParameters>
                <parameter name="vnsHost" type="string" value="localhost"/>
                <parameter name="vnsPort" type="string" value="9000"/>
                <parameter name="service-access" type="string" value="exclusive"/>
            </deploymentParameters>
            <errorHandling>
                <errorRateThreshold action="continue" value="3/1000"/>
                <maxConsecutiveRestarts action="continue" value="5" waitTimeBetweenRetries="30000"/>
                <timeout max="2700000" default="-1"/>
            </errorHandling>
            <checkpoint batch="1" time="1000ms"/>
        </casProcessor>

When the corresponding Vinci service is restarted during the CPE execution, the CPE cannot
correctly reconnect the 4 pipelines to the 4 instances of the Vinci service. This happens
only in a multiple processing units environment.
This is due to the fact that, in case of error, the failed CasProcessors are put in a list
of failed processors and that processors are never removed from this list. The consequence
is the CPE always try to fix the first processor.



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