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Posted to commits@beam.apache.org by "Scott Wegner (JIRA)" <ji...@apache.org> on 2016/06/30 18:31:10 UTC

[jira] [Updated] (BEAM-398) JAXBCoder uses incorrect Double-Checked Locking

     [ https://issues.apache.org/jira/browse/BEAM-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Wegner updated BEAM-398:
------------------------------
    Description: 
[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.

  was:
[FindBugs VA_FORMAT_STRING_USES_NEWLINE|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L72]: Format string should use %n rather than \n.

Applies to: [Coder.NonDeterministicExeption.getMessage|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/Coder.java#L296]

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.

        Summary: JAXBCoder uses incorrect Double-Checked Locking  (was: JAXBCoder uses Double-Checked Locking)

> JAXBCoder uses incorrect Double-Checked Locking
> -----------------------------------------------
>
>                 Key: BEAM-398
>                 URL: https://issues.apache.org/jira/browse/BEAM-398
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Scott Wegner
>            Priority: Minor
>              Labels: findbugs, newbie, starter
>
> [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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