java.lang.NullPointerException
   at org.netbeans.api.java.source.ui.ElementJavadoc.getText(ElementJavadoc.java:157)
   at org.netbeans.modules.java.navigation.DocumentationScrollPane.setDocumentation(DocumentationScrollPane.java:225)
   at org.netbeans.modules.java.navigation.DocumentationScrollPane.setData(DocumentationScrollPane.java:138)
   at org.netbeans.modules.java.navigation.DocumentationScrollPane.access$200(DocumentationScrollPane.java:81)
   at org.netbeans.modules.java.navigation.DocumentationScrollPane$HyperlinkAction$1$1.run(DocumentationScrollPane.java:446)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
   at java.awt.EventQueue.access$000(EventQueue.java:84)
   at java.awt.EventQueue$1.run(EventQueue.java:602)
   at java.awt.EventQueue$1.run(EventQueue.java:600)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)