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From "Thomas Groh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-358) JAXB Coder is not thread safe
Date Mon, 20 Jun 2016 17:22:05 GMT
Thomas Groh created BEAM-358:
--------------------------------

             Summary: JAXB Coder is not thread safe
                 Key: BEAM-358
                 URL: https://issues.apache.org/jira/browse/BEAM-358
             Project: Beam
          Issue Type: Bug
            Reporter: Thomas Groh


Marshaller and Unmarshaller are cached for reuse in an instance variable. These objects are
not thread safe (http://stackoverflow.com/questions/7400422/jaxb-creating-context-and-marshallers-cost),
so they should be accessed in a single-threaded manner, either via use of a ThreadLocal or
creating a new instance in calls to encode/decode.



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