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POAWT-EventQueue-0 error
 

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  1. POAWT-EventQueue-0 error
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    <p>I have written the following code. Basically I want to activate autocomplete (in a RSyntaxTextArea environment) if the entered character is not space. Everything is working smoothly, but the fact that sometimes I will get the AWT-EventQueue-0 error. The program will still run and function but the error message shows up.</p> <p>I have other elements in my code, but I am quite sure it is from this bit of added code. Any particular reason for this? I have noticed this error happening when I move the mouse to a second screen.</p> <pre><code>public static CompletionProvider provider = createModelCompletionProvider(); public static AutoCompletion ac = new AutoCompletion(provider); public static KeyListener ListenerTOntology = new KeyListener() { @Override public void keyPressed(KeyEvent e) {} @Override public void keyReleased(KeyEvent e) {} @Override public void keyTyped(KeyEvent e) { dumpInfo("Typed", e);} private void dumpInfo(String s, KeyEvent e) { char temp = e.getKeyChar(); if(temp!=' ' ) ac.doCompletion();} }; </code></pre> <p>Error message:</p> <pre><code>Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at org.fife.ui.rtextarea.FoldIndicator.findOpenFoldClosestTo(FoldIndicator.java:162) at org.fife.ui.rtextarea.FoldIndicator.access$300(FoldIndicator.java:60) at org.fife.ui.rtextarea.FoldIndicator$Listener.mouseMoved(FoldIndicator.java:671) at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:329) at java.awt.Component.processMouseMotionEvent(Component.java:6550) at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3339) at java.awt.Component.processEvent(Component.java:6274) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4505) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:688) at java.awt.EventQueue$3.run(EventQueue.java:686) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:702) at java.awt.EventQueue$4.run(EventQueue.java:700) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:699) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) </code></pre>
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    1. USAndrew Thompson
    1. USArtemis
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    1. CO*"I have other elements in my code, but I am quite sure it is from this bit of added code."* The stack trace should tell you. Post an [SSCCE](http://sscce.org/) & we might also know.
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      1. USAndrew Thompson
    2. COSo what code is in `FoldIndicator.findOpenFoldClosestTo`? Around line 162 of `FoldIndicator.java`?
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      1. USJoachim Sauer
    3. COThat is the RSyntaxTextArea.jar file. I can't find the source file to see what is inside it. I am looking though.
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      1. USArtemis
 

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