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  1. JDK
  2. JDK-8309882

LinkedHashMap adds an errant serializable field

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      Description

        A new field 'putMode' had been added to LinkedHashMap in the initial Sequenced Collection implementation (JDK-8266571). Since the class is serializable, this resulted in an unintended change to the serial format. The field should be marked 'transient' to restore the previous serial format.

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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-8309975 LinkedHashMap adds an errant serializable field

            • P3 - Major loss of function.
            • Resolved
            blocks

            JEP - Java Enhancement Proposal JDK-8280836 JEP 431: Sequenced Collections

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

            CSR - null JDK-8309885 LinkedHashMap adds an errant serializable field

            • P3 - Major loss of function.
            • Closed
            relates to

            Enhancement - null JDK-8310821 Add tests for accidental changes to the serialized form of a class

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

            Enhancement - null JDK-8266571 Sequenced Collections

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

            Commit Commit openjdk/jdk21/f7cd0aec

            Commit Commit openjdk/jdk/e1386856

            Review Review openjdk/jdk21/15

            Review Review openjdk/jdk/14433

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                smarks Stuart Marks
                smarks Stuart Marks
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                  Updated:
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