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https://issues.apache.org/jira/browse/BEAM-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Halperin updated BEAM-398:
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Summary: Fix locking in JAXBCoder (was: JAXBCoder uses incorrect
Double-Checked Locking)
> Fix locking in JAXBCoder
> ------------------------
>
> Key: BEAM-398
> URL: https://issues.apache.org/jira/browse/BEAM-398
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Scott Wegner
> Assignee: Thomas Groh
> Priority: Minor
> Labels: findbugs, newbie, starter
> Fix For: 0.3.0-incubating
>
>
> [FindBugs
> DC_DOUBLECHECK|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L72]:
> Possible double check of field
> Applies to:
> [JAXBCoder.getContext|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/JAXBCoder.java#L113].
> For details on why this is incorrect, see:
> http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html
> This is a good starter bug. When fixing, please remove the corresponding
> entries from
> [findbugs-filter.xml|https://github.com/apache/incubator-beam/blob/master/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml]
> and verify the build passes.
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