Upgraded to 1.6 and now getting a different error :
# jre/bin/java -version java version "1.6.0_05" Java(TM) SE Runtime Environment (build 1.6.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 10.0-b19, mixed mode)
# jre/bin/java psmonitor.jar config.xml Exception in thread "main" java.lang.NoClassDefFoundError: psmonitor/jar Caused by: java.lang.ClassNotFoundException: psmonitor.jar at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source)
That's because Java thinks you are trying to run a java class called "psmonitor.jar". To run the jar file you need to remember to type the "-jar" part:
To setup the configuration file: # jre/bin/java -jar psmonitor.jar --config.xml
To test the configuration: # jre/bin/java -jar psmonitor.jar config.xml --test
And to actually run it, you would just remove the "--test".