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From "Scott Wegner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BEAM-409) Inconsistent synchronization in WindowSupplier.windows
Date Thu, 30 Jun 2016 22:42:10 GMT

     [ https://issues.apache.org/jira/browse/BEAM-409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Scott Wegner updated BEAM-409:
------------------------------
    Description: 
[FindBugs IS2_INCONSISTENT_SYNC|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L269]:
Inconsistent synchronization

Applies to: [WindowSupplier.windows|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/testing/WindowSupplier.java#L63].

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 DM_NEXTINT_VIA_NEXTDOUBLE|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L209]:
Use the nextInt method of Random rather than nextDouble to generate a random integer

Applies to: [ProxyInvocationHandler.hashCode|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/options/ProxyInvocationHandler.java#L96].
This random value is used as a pseudo-unique value for #hashCode(), although the default Object.hasCode()
implementation does the same thing, so this should be unnecessary.

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.


> Inconsistent synchronization in WindowSupplier.windows
> ------------------------------------------------------
>
>                 Key: BEAM-409
>                 URL: https://issues.apache.org/jira/browse/BEAM-409
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Scott Wegner
>            Priority: Minor
>              Labels: findbugs, newbie, starter
>
> [FindBugs IS2_INCONSISTENT_SYNC|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L269]:
Inconsistent synchronization
> Applies to: [WindowSupplier.windows|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/testing/WindowSupplier.java#L63].
> 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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