java.lang.NullPointerException
   at org.netbeans.editor.PopupManager.computeBounds(PopupManager.java:373)
   at org.netbeans.editor.PopupManager.computeBounds(PopupManager.java:288)
   at org.netbeans.editor.PopupManager.install(PopupManager.java:188)
   at org.netbeans.editor.ext.ToolTipSupport.ensureVisibility(ToolTipSupport.java:681)
   at org.netbeans.editor.ext.ToolTipSupport.setToolTip(ToolTipSupport.java:287)
   at org.netbeans.editor.ext.ToolTipSupport.setToolTip(ToolTipSupport.java:263)
   at org.netbeans.editor.ext.ToolTipSupport.setToolTip(ToolTipSupport.java:258)
   at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.run(ToolTipAnnotation.java:273)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:419)
   at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.getShortDescription(ToolTipAnnotation.java:150)
   at org.netbeans.modules.editor.NbToolTip$Request.resolveTooltipText(NbToolTip.java:420)
   at org.netbeans.modules.editor.NbToolTip$Request.run(NbToolTip.java:383)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1415)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1954)