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java.lang.NullPointerException: 	at com.javahollic.jira.emh.ui.action.JEMHProjectMapping.doUpdate(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(