pdi remote execution failure

java.lang.NullPointerException
	at org.pentaho.commons.launcher.Launcher.main (Launcher.java:134)
	at java.lang.reflect.Method.invoke (Method.java:616)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
	at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:57)
	at sun.reflect.NativeMethodAccessorImpl.invoke0 (NativeMethodAccessorImpl.java:-2)
	at org.pentaho.di.ui.spoon.Spoon.main (Spoon.java:553)
	at org.pentaho.di.ui.spoon.Spoon.start (Spoon.java:6940)
	at org.pentaho.di.ui.spoon.Spoon.readAndDispatch (Spoon.java:1169)
	at org.eclipse.swt.widgets.Display.readAndDispatch (null:-1)
	at org.eclipse.swt.widgets.Display.runAsyncMessages (null:-1)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages (null:-1)
	at org.eclipse.swt.widgets.RunnableLock.run (null:-1)
	at org.pentaho.di.ui.spoon.Spoon$32$1.run (Spoon.java:7512)
	at org.pentaho.di.ui.spoon.delegates.SpoonTransformationDelegate.executeTransformation (SpoonTransformationDelegate.java:919)
	at org.pentaho.di.trans.Trans.sendToSlaveServer (Trans.java:3158)
	at org.pentaho.di.trans.TransConfiguration.getXML (TransConfiguration.java:47)
	at org.pentaho.di.trans.TransExecutionConfiguration.getXML (TransExecutionConfiguration.java:540)