java.lang.reflect.InvocationTargetException: This exception has no message.


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Stack trace

java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.pentaho.di.ui.spoon.delegates.SpoonJobDelegate.getJobEntryDialog(SpoonJobDelegate.java:212)
	at org.pentaho.di.ui.spoon.delegates.SpoonJobDelegate.editJobEntry(SpoonJobDelegate.java:257)
	at org.pentaho.di.ui.spoon.Spoon.editJobEntry(Spoon.java:8619)
	at org.pentaho.di.ui.spoon.job.JobGraph.editEntry(JobGraph.java:2892)
	at org.pentaho.di.ui.spoon.job.JobGraph.mouseDoubleClick(JobGraph.java:636)
	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:1347)
	at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7989)
	at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9269)
	at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:662)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.ui.xul.binding.BindingException: Error invoking getter method [getNamedClusters]
	at org.pentaho.ui.xul.binding.BindingUtil.getMethodReturnType(BindingUtil.java:91)
	at org.pentaho.ui.xul.binding.DefaultBinding.setupBinding(DefaultBinding.java:242)
	at org.pentaho.ui.xul.binding.DefaultBinding.bindForward(DefaultBinding.java:215)
	at org.pentaho.ui.xul.binding.DefaultBinding.initialize(DefaultBinding.java:114)
	at org.pentaho.ui.xul.binding.DefaultBindingFactory.applyBinding(DefaultBindingFactory.java:44)
	at org.pentaho.ui.xul.binding.DefaultBindingFactory.createBinding(DefaultBindingFactory.java:69)
	at org.pentaho.big.data.kettle.plugins.mapreduce.ui.entry.pmr.JobEntryHadoopTransJobExecutorDialog.<init>(JobEntryHadoopTransJobExecutorDialog.java:199)
	... 23 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.pentaho.ui.xul.binding.BindingUtil.getMethodReturnType(BindingUtil.java:86)
	... 29 more
Caused by: java.lang.NullPointerException
	at org.pentaho.metastore.persist.MetaStoreFactory.getElements(MetaStoreFactory.java:779)
	at org.pentaho.big.data.impl.cluster.NamedClusterManager.list(NamedClusterManager.java:99)
	at Proxyb851381e_0a70_4315_af60_d51671bfcf69.list(Unknown Source)
	at Proxyed267545_de96_4b61_8e4a_2fc7f2bb4cda.list(Unknown Source)
	at org.pentaho.big.data.kettle.plugins.mapreduce.ui.entry.pmr.JobEntryHadoopTransJobExecutorController.getNamedClusters(JobEntryHadoopTransJobExecutorController.java:1434)
	... 34 more

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