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  1. JDK
  2. JDK-8130115

REDO - Reduce Symbol::_identity_hash to 2 bytes

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 9
    • 9
    • hotspot
    • b81

    Backports

      Description

        Multiple failures in RT and GC nightlies due to:

        sun.jvm.hotspot.types.WrongTypeException: field "_identity_hash" in type Symbol is not of type jshort, but instead of type short
        at sun.jvm.hotspot.types.basic.BasicType.getField(BasicType.java:206)
        at sun.jvm.hotspot.types.basic.BasicType.getField(BasicType.java:212)
        at sun.jvm.hotspot.types.basic.BasicType.getJShortField(BasicType.java:253)
        at sun.jvm.hotspot.oops.Symbol.initialize(Symbol.java:50)
        at sun.jvm.hotspot.oops.Symbol.access$000(Symbol.java:37)
        at sun.jvm.hotspot.oops.Symbol$1.update(Symbol.java:41)
        at sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver(VM.java:436)
        at sun.jvm.hotspot.oops.Symbol.<clinit>(Symbol.java:39)
        ... 18 more


        Seems to be caused by JDK-8087143: Reduce Symbol::_identity_hash to 2 bytes

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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-8141866 REDO - Reduce Symbol::_identity_hash to 2 bytes

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8130135 backout 8087143 (2 bytes Symbol::_identity_hash) due to failures in 8130115

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

            Enhancement - null JDK-8087143 Reduce Symbol::_identity_hash to 2 bytes

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

            Enhancement - null JDK-8269986 Remove +3 from Symbol::identity_hash()

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

            Activity

              People

                minqi Yumin Qi
                jwilhelm Jesper Wilhelmsson
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                Dates

                  Created:
                  Updated:
                  Resolved: