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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5718) UIMA-DUCC:make DUCC_STATE_UPDATE_PORT optional
Date Mon, 05 Feb 2018 15:04:00 GMT
Jerry Cwiklik created UIMA-5718:

             Summary: UIMA-DUCC:make DUCC_STATE_UPDATE_PORT optional
                 Key: UIMA-5718
                 URL: https://issues.apache.org/jira/browse/UIMA-5718
             Project: UIMA
          Issue Type: Improvement
          Components: DUCC
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.2.2-Ducc

Both uima-as services and JPs are coded to report state information and JMX url back to the
Agent. When launching a process, an Agent adds an env var where it passes its listener port.

When an agent is not launching a process, the port will not be present and DUCC service wrapper
code throws an exception:

2 Jan 2018 17:54:05,116  INFO JobProcessComponent - T[69] setState  Notifying Agent New
12 Jan 2018 17:54:05,117 ERROR DUCC.DuccEventDispatcher - J[N/A] T[69] dispatch 
org.apache.camel.ResolveEndpointFailedException: Failed to resolve endpoint: mina://tcp://localhost:null?sync=false&transferExchange=true
due to: hostname can't be null
at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:590)
at org.apache.camel.impl.DefaultProducerTemplate.resolveMandatoryEndpoint(DefaultProducerTemplate.java:453)
at org.apache.camel.impl.DefaultProducerTemplate.asyncRequestBody(DefaultProducerTemplate.java:491)
at org.apache.uima.ducc.transport.dispatcher.DuccEventDispatcher.dispatch(DuccEventDispatcher.java:77)


Modify code to test for presence of a port and if not available, disable state updates.

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