[ jEdit-devel ] [ jedit-Plugin Bugs-3074675 ] Tags: NPE when following a tag and cursor is not visible

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Plugin Bugs item #3074675, was opened at 2010-09-24 11:23
Message generated for change (Tracker Item Submitted) made by blueyed
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: daniel hahler (blueyed)
Assigned to: Nobody/Anonymous (nobody)
Summary: Tags: NPE when following a tag and cursor is not visible

Initial Comment:
The following NPE happens when you place the cursor on some element, and scroll the buffer pane so that the cursor is not visible anymore and trigger the "Follow tag..." action:

NPE when the cursor is not visible on "Follow Tag" action (Tags plugin, C-PLUS C-PLUS)
java.lang.NullPointerException
	at tags.ChooseTagListPopup.setLocation(ChooseTagListPopup.java:102)
	at tags.ChooseTagListPopup.<init>(ChooseTagListPopup.java:81)
	at tags.TagsPlugin.followTag(TagsPlugin.java:565)
	at tags.TagsPlugin.followTag(TagsPlugin.java:493)
	at tags.TagsPlugin.followTag(TagsPlugin.java:476)
	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.gjt.sp.jedit.bsh.Reflect.invokeMethod(Reflect.java:134)
	at org.gjt.sp.jedit.bsh.Reflect.invokeStaticMethod(Reflect.java:98)
	at org.gjt.sp.jedit.bsh.Name.invokeMethod(Name.java:871)
	at org.gjt.sp.jedit.bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:75)
	at org.gjt.sp.jedit.bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102)
	at org.gjt.sp.jedit.bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47)
	at org.gjt.sp.jedit.bsh.BSHBlock.evalBlock(BSHBlock.java:130)
	at org.gjt.sp.jedit.bsh.BSHBlock.eval(BSHBlock.java:80)
	at org.gjt.sp.jedit.bsh.BshMethod.invokeImpl(BshMethod.java:362)
	at org.gjt.sp.jedit.bsh.BshMethod.invoke(BshMethod.java:258)
	at org.gjt.sp.jedit.bsh.BshMethod.invoke(BshMethod.java:186)
	at org.gjt.sp.jedit.BeanShellFacade.runCachedBlock(BeanShellFacade.java:225)
	at org.gjt.sp.jedit.BeanShell.runCachedBlock(BeanShell.java:423)
	at org.gjt.sp.jedit.BeanShellAction.invoke(BeanShellAction.java:73)
	at org.gjt.sp.jedit.gui.InputHandler.invokeAction(InputHandler.java:352)
	at org.gjt.sp.jedit.gui.InputHandler.invokeAction(InputHandler.java:317)
	at org.gjt.sp.jedit.gui.DefaultInputHandler.handleKey(DefaultInputHandler.java:197)
	at firstmate.FirstMateInputHandler.handleKey(FirstMateInputHandler.java:201)
	at org.gjt.sp.jedit.input.AbstractInputHandler.processKeyEventKeyStrokeHandling(AbstractInputHandler.java:401)
	at org.gjt.sp.jedit.gui.InputHandler.processKeyEvent(InputHandler.java:151)
	at org.gjt.sp.jedit.textarea.TextArea.processKeyEvent(TextArea.java:4625)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
I am using jEdit trunk (r18601).

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