问题遇到的现象和发生背景
在使用kettle流程控件时，只要鼠标移到流程控件上kettle就会报错
操作环境、软件版本等信息
我的操作系用时windows10，kjettle版本是8.2
尝试过的解决方法
在我点击细节按钮后，报出了错误代码
java.lang.NullPointerException
at org.pentaho.di.ui.spoon.Spoon$16.mouseMove(Spoon.java:2182)
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:1381)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7817)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9179)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:707)
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)
我想要达到的结果
希望能够解决这个问题
