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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 org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329) at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:135) at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123) at org.pentaho.ui.xul.swt.tags.SwtToolbarbutton.access$100(SwtToolbarbutton.java:36) at org.pentaho.ui.xul.swt.tags.SwtToolbarbutton$1.widgetSelected(SwtToolbarbutton.java:83) at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source) at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1157) at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:6658) at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:545) 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 org.pentaho.commons.launcher.Launcher.main(Launcher.java:110)Caused by: java.lang.NullPointerException at org.pentaho.di.ui.spoon.delegates.SpoonJobDelegate.addJobGraph(SpoonJobDelegate.java:977) at org.pentaho.di.ui.spoon.JobFileListener.open(JobFileListener.java:42) at org.pentaho.di.ui.spoon.Spoon.openFile(Spoon.java:3747) at org.pentaho.di.ui.spoon.Spoon.openFile(Spoon.java:3448) at org.pentaho.di.ui.spoon.Spoon.openFile(Spoon.java:3403) ... 22 more