一个未预期的错误发生在Spoon: probable cause:在停止Spoon前，请先关闭其它spoon窗口! 

摘要: kettle操作hbase:hdsf2hbase

kettle操作hbase

通过kettle将hdfs上的txt文件导入hbase的时候，HbaseOutput保存mapping信息的时候会报错：

申明：第一张表rating表，6个字段，操作成功，第二章表orders表，64个字段，操作报错。

错误如下:

一个未预期的错误发生在Spoon: probable cause:在停止Spoon前，请先关闭其它spoon窗口!
null
java.lang.NullPointerException
at org.pentaho.hbase.mapping.MappingEditor.saveMapping(MappingEditor.java:940)
at org.pentaho.hbase.mapping.MappingEditor.access$400(MappingEditor.java:85)
at org.pentaho.hbase.mapping.MappingEditor$9.widgetSelected(MappingEditor.java:367)
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:1339)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7939)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9214)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:653)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)

解决方法：已发现问题，连接hbase的节点的hregionserver挂了