[jira] [Created] (BEAM-408) ProxyInvocationHandler uses inefficient Math.random() for random int

["Scott Wegner (JIRA)" <ji...@apache.org>]

Scott Wegner created BEAM-408:
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             Summary: ProxyInvocationHandler uses inefficient Math.random() for random int
                 Key: BEAM-408
                 URL: https://issues.apache.org/jira/browse/BEAM-408
             Project: Beam
          Issue Type: Bug
          Components: sdk-java-core
            Reporter: Scott Wegner
            Priority: Minor


[FindBugs IS2_INCONSISTENT_SYNC|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/build-tools/src/main/resources/beam/findbugs-filter.xml#L148]: Inconsistent synchronization

Applies to: [OffsetRangeTracker.copy|https://github.com/apache/incubator-beam/blob/58a029a06aea1030279e5da8f9fa3114f456c1db/sdks/java/core/src/main/java/org/apache/beam/sdk/io/range/OffsetRangeTracker.java#L263]. Its mutating methods are all marked synchronized otherwise.

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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