Searching this error gives one possibly interesting hit:
https://bugs.eclipse.org/bugs/show_bug.cgi?format=multiple&id=532490 with a work-around of making the launching JDK and the runtime JDK the same? -M On 4/3/2020 5:04 AM, Richard Eckart de Castilho wrote: > - compared SVN tag against source release (using Meld btw) - ok > - CLI build (Java 13.0.1) - ok > - Installing after installing UIMA plugins first - OK > - Importing example projects as "Existing projects" (not Maven) - OK (Imports > three projects) > - Run ExampleProject/script/uima/ruta/example/Main.ruta - FAILED - I just get > this message: > > Error occurred during initialization of boot layer: > java.lang.LayerInstantiationException: Package jdk.internal.jimage in both > module jrt.fs and java.base (Eclipse running on OpenJDK 13) > > Is this a known/expected problem? > > Cheers, > > -- Richard > > > Other issues: > - URL given in the announcement incorrect - correct is > https://dist.apache.org/repos/dist/dev/uima/ruta/ruta-2.8.1-rc1/eclipse-update-site/ruta >