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  1. JDK
  2. JDK-8175797

(ref) Reference::enqueue method should clear the reference object before enqueuing

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      Description

        Soft, weak, and phantom references are automatically-cleared references (see JDK-8071507). The referent is cleared before the reference object is enqueued.

        The `enqueue` method should behave the same and it should clear the reference before enqueuing it to the registered queue.

        Surveying the existing usage of this enqueue method, it's a common pattern that Reference::clear is called before or after enqueuing.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8176980 (ref) Reference::enqueue method should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8285100 (ref) Reference::enqueue method should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8291134 (ref) Reference::enqueue method should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8292724 (ref) Reference::enqueue method should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8291808 (ref) Reference::enqueue method should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed
            csr of

            CSR - null CCC-8175797 (ref) Reference::enqueue should clear the reference object before enqueuing

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8178832 (ref) jdk.lang.ref.disableClearBeforeEnqueue property is ignored

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Enhancement - null JDK-8193780 (ref) Remove the undocumented "jdk.lang.ref.disableClearBeforeEnqueue" system property

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8215985 ZGC: Simplify reference processing in light of JDK-8175797

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8071507 (ref) Clear phantom reference as soft and weak references do

            • P3 - Major loss of function.
            • Closed

            Enhancement - null JDK-8203028 Simplify reference processing in light of JDK-8175797

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            links to

            Commit Commit openjdk/jdk8u-dev/e633df1b

            Commit Commit openjdk/jdk8u-ri/330d63d2

            Review Review openjdk/jdk8u-dev/99

            Review Review openjdk/jdk8u-ri/5

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                mchung Mandy Chung
                mchung Mandy Chung
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