The plugin is not able to installed successfully and the following errors appear in the logfile:
During the startup, the following error might appear as well:
Unsupported platform such as incorrect JDK version.
- Check the System Info or from the logs for the JDK version.
- Try to compare the important details of the System Info (e.g. JDK version, Operating System) with the following documentation:
Note: This problem also related to http://confluence.atlassian.com/display/GHKB/Unable+to+Install+GreenHopper+due+to+Bad+Version+Number+in+.class+File