Jerry Cwiklik created UIMA-3544:
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Summary: Refactor DUCC JmxAgent to allow daemon to start on jmx
failure
Key: UIMA-3544
URL: https://issues.apache.org/jira/browse/UIMA-3544
Project: UIMA
Issue Type: Bug
Components: DUCC
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Priority: Minor
Fix For: 1.0-Ducc
Modify common code in AbstractDuccComponent that enables JMX for the DUCC
daemon. Currently, when there is a failure binding a port to JMX service
connector, the code keeps retrying with the next available port.
The bug here is that there are two distinct steps wrapped by a single try catch
block. Improve this by wrapping try catch around getting a valid port, and a
second try catch around code that binds the Jmx Service Connector to the port.
If the first step fails (getting valid port), the code retries until a valid
port is found. If the second step fails (bind), the code should log a message
stating the JMX is not available and return empty string for jmx URL. The
daemon should continue initializing despite the fact the JMX is not available
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