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diff --git a/jvmfwk/README.md b/jvmfwk/README.md new file mode 100644 index 000000000..3f99d9dba --- /dev/null +++ b/jvmfwk/README.md @@ -0,0 +1,20 @@ +# JVM Framework Wrappers + +Wrappers so you can use all the Java Runtime Environments with their slightly incompatible APIs with more ease. + +Used to use an over-engineered "plugin" mechanism although there was only one +"plugin", called "sunmajor", that handles all possible JREs. + +IMPORTANT: The `<updated>` element in `vmfwk/distributions/OpenOfficeorg/javavendors_*.xml` files +should only be updated for incompatible changes, not for compatible ones. As stated in the commit +message of <https://gerrit.libreoffice.org/#/c/69730/> in LibreOffice gerrit: + +javavendors\_\*.xml <updated\> should not have been updated... + +Changing `<updated>` causes `jfw_startVM` and `jfw_getSelectedJRE` (both +`jvmfwk/source/framework.cxx`) to fail with `JFW_E_INVALID_SETTINGS`, which in turn causes functionality +that requires a JVM to issue a GUI error dialog stating that the user must select a new JRE in the +Options dialog. While that behavior makes sense if a JRE was selected that would no longer be +supported by the modified `javavendors_*.xml`, it is just annoying if an already selected JRE is still +supported. And a compatible change to `javavendors_*.xml` implies that an already selected JRE will +still be supported." |