Kettle java元件getting feilds ...please wait問題

問題

一個未預期的錯誤發生在Spoon: probable cause:在停止Spoon前，請先關閉其它spoon視窗!

java.lang.NullPointerException

at org.pentaho.di.ui.trans.steps.userdefinedjavaclass.UserDefinedJavaClassDialog.treeDblClick(UserDefinedJavaClassDialog.java:1557)

at org.pentaho.di.ui.trans.steps.userdefinedjavaclass.UserDefinedJavaClassDialog.access$400(UserDefinedJavaClassDialog.java:122)

at org.pentaho.di.ui.trans.steps.userdefinedjavaclass.UserDefinedJavaClassDialog$5.handleEvent(UserDefinedJavaClassDialog.java:419)

at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Display.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.trans.steps.userdefinedjavaclass.UserDefinedJavaClassDialog.open(UserDefinedJavaClassDialog.java:576)

at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:127)

at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:8766)

at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:3217)

at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:783)

at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

at org.eclipse.swt.widgets.Display.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:1366)

at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)

at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)

at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)

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:498)

at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)

解決方案

點選“測試類”，儲存即可。