Error in launching RapidMiner

rossh

When launcing RapidMiner from RapidAnalytics using webstart the following error occurs.

java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.javaws.Launcher.executeApplication(Launcher.java:1809)
at com.sun.javaws.Launcher.executeMainClass(Launcher.java:1750)
at com.sun.javaws.Launcher.doLaunchApp(Launcher.java:1512)
at com.sun.javaws.Launcher.run(Launcher.java:130)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NoClassDefFoundError: com/rapidminer/tools/documentation/XMLOperatorDocBundle
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at com.rapidminer.tools.OperatorService.parseOperators(OperatorService.java:305)
at com.rapidminer.tools.OperatorService.parseOperators(OperatorService.java:255)
at com.rapidminer.tools.OperatorService.registerOperators(OperatorService.java:229)
at com.rapidminer.tools.plugin.Plugin.registerOperators(Plugin.java:464)
at com.rapidminer.tools.plugin.Plugin.registerAllPluginOperators(Plugin.java:670)
at com.rapidminer.tools.OperatorService.init(OperatorService.java:188)
at com.rapidminer.RapidMiner.init(RapidMiner.java:413)
at com.rapidminer.gui.RapidMinerGUI.run(RapidMinerGUI.java:218)
at com.rapidminer.gui.RapidMinerGUI.launch(RapidMinerGUI.java:560)
at com.rapidminer.gui.RapidMinerGUI.main(RapidMinerGUI.java:543)
... 9 more
Caused by: java.lang.ClassNotFoundException: com.rapidminer.tools.documentation.XMLOperatorDocBundle
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 21 more

rossh

Additional information. The above error occurs after the RapidMiner splash screen shows at the point of "Initializing Operators" with a dialog "Unable to launch the application".

On the serverside, the following warning is shown:

06:36:14,175 INFO  [de.rapidanalytics.web.servlet.PluginServlet] Request: /resources.xml
06:36:14,179 WARNING [com.rapidminer] XML transformer does not support indentation: java.lang.IllegalArgumentException: Not supported: indent-number

This is with the JBoss bundle of RA, running on Ubuntu 10.04.