Marshall Schor created UIMA-3133:
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Summary: Eclipse launcher plugin fails if uimaj-core not on
project classpath
Key: UIMA-3133
URL: https://issues.apache.org/jira/browse/UIMA-3133
Project: UIMA
Issue Type: Bug
Components: Eclipse plugins
Affects Versions: 2.4.1SDK
Reporter: Marshall Schor
Assignee: Marshall Schor
Fix For: 2.4.2SDK
The Launcher launches a small Java class which needs the uimaj-core classes to
run. The Launcher includes the project's classpath, so if uimaj-core is on
that classpath, all is well. But there's no requirement that uimaj-core be on
the project's classpath (for example, imagine a project for an aggregate, that
just contains xml descriptors, etc.). In that case, the failure happens.
The launcher is attempting to handle this by suffixing the uimaj-ep-runtime jar
to the launched classpath. That worked in 2.4.0 and earlier, because that
plugin jar had all the uimaj-core classes. However, as of 2.4.1, we changed
the packaging of this, and the uimaj-ep-runtime is now set up to have embedded
jar files, with an OSGi Bundle-Classpath which identifies these Jars. That
doesn't help this Jar's usage as just a plain (non-OSGi) Jar.
Reported by Peter Klügl who also discovered the fix in project Ruta. The fix
here is slightly faster - only the uimaj-core jar is included (that's all the
launcher class needs).
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