Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 408816, 1 year ago
This exception has no message.
via Oracle Community by 384107, 1 year ago
This exception has no message.
via Oracle Community by 206502, 1 year ago
This exception has no message.
via Oracle Community by 544446, 1 year ago
This exception has no message.
via Oracle Community by 544446, 1 year ago
via Oracle Community by 426243, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at oracle.wh.service.impl.mapping.metadata.WBMappingGraphImpl.(WBMappingGraphImpl.java:43)	at oracle.wh.service.impl.mapping.metadata.WBMappingGraphHelper.createMappingGraph(WBMappingGraphHelper.java:31)	at oracle.wh.ui.mapping.MappingGraphNew.drawStage(MappingGraphNew.java:2668)	at oracle.wh.ui.mapping.MappingGraphNew.setStage(MappingGraphNew.java:487)	at oracle.wh.ui.mapping.MappingEditorCanvas.refresh(MappingEditorCanvas.java:287)	at oracle.wh.ui.common.WhFolderEditor.refreshCanvas(WhFolderEditor.java:951)	at oracle.wh.ui.common.WhFolderEditor.refresh(WhFolderEditor.java:604)	at oracle.wh.ui.common.WhFolderEditor$1$MyRefresh.run(WhFolderEditor.java:424)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)