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Published 20 hours ago • verified publisher icon eurostat

maven-war-plugin v2.3 incompatible with JDK 16+

Open what-the-functor opened this issue 1 year ago • 0 comments

Using a JDK v16+ to build the war file produces the following error.

pushd modules/war
mvn package

ExceptionInInitializerError: Unable to make field private final java.util.Comparator java.util.TreeMap.comparator accessible: module java.base does not "opens java.util" to unnamed module...

The war file builds successfully if JDK v11 through v15 is used.

Suggested fix, one of:

  • A: Update the maven-war-plugin version (might break compatibility with other JDKs)
  • B: Set the JDK version in the POM file to one of JDK v11 - v15 (I haven't tested this)
  • C: Update the documentation to instruct the user to build with one of JDK v11 - v15

Please let me know what you prefer, and I'll create a PR.

what-the-functor avatar Feb 01 '24 13:02 what-the-functor