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From "Thomas Groh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BEAM-358) JAXB Coder is not thread safe
Date Mon, 20 Jun 2016 17:23:05 GMT

     [ https://issues.apache.org/jira/browse/BEAM-358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Groh updated BEAM-358:
-----------------------------
    Component/s: sdk-java-core

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