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  1. Forge
  2. FORGE-2806

Allow running on JDK 17+

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    • Task
    • Resolution: Obsolete
    • Major
    • None
    • None
    • Furnace (Container)
    • None

    Description

      It would be nice if Forge could run in JDK 17+.

      The following error is shown in the logs while starting Forge in JDK 17:

      Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @10315254

      Workaround:

      Execute the following script before running forge:

      export FORGE_OPTS="--add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED"

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          causes

          Bug - A problem that impairs or prevents the functions of the product. JBIDE-28082 Forge Java 17 compatibility

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              Unassigned Unassigned
              rhn-support-ggastald George Gastaldi
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