On Linux you should make sure that you are using Oracle Java (or compatible) and that it is in your
You are not running Oracle’s Java if your log contains the following:
"java.fullversion=GNU libgcj 4.1.1 20070105 (Red Hat 4.1.1-52)"
Some Linux distributions install GCJ’s Java as the default “Java”. However, GCJ does not have complete Java compatibility. Please switch to an Oracle or IBM Java Runtime Environment on your Linux installation (or configure your Eclipse to use an Oracle/IBM JRE installation on that computer) so that we can rule out any compatibility-related problems right from the start.
After you have installed Java, on the command line, type
to see which version of Java you have, and then type
to check which version of Java you are actually using.