Component Palette Exception

Each time i try to open the component palete i get this exception :
java.lang.NullPointerException
     void oracle.ideimpl.palette.PaletteImpl.populate()
          PaletteImpl.java:240
     void oracle.ideimpl.palette.PaletteWindowImpl.checkIfPopulated()
          PaletteWindowImpl.java:323
     void oracle.ideimpl.palette.PaletteWindowImpl.show()
          PaletteWindowImpl.java:364
     boolean oracle.ideimpl.palette.PaletteManagerImpl.handleEvent(oracle.ide.IdeAction, oracle.ide.addin.Context)
          PaletteManagerImpl.java:174
     void oracle.ide.IdeAction$1.run()
          IdeAction.java:579
     void java.awt.event.InvocationEvent.dispatch()
          InvocationEvent.java:154
     void java.awt.EventQueue.dispatchEvent(java.awt.AWTEvent)
          EventQueue.java:337
     boolean java.awt.EventDispatchThread.pumpOneEventForHierarchy(java.awt.Component)
          EventDispatchThread.java:131
     void java.awt.EventDispatchThread.pumpEventsForHierarchy(java.awt.Conditional, java.awt.Component)
          EventDispatchThread.java:98
     void java.awt.EventDispatchThread.pumpEvents(java.awt.Conditional)
          EventDispatchThread.java:93
     void java.awt.EventDispatchThread.run()
          EventDispatchThread.java:85
If you know somehow what the problem is please i would thanks. I'm using the 9.0.3.
Daniel Campelo

Hi Daniel,
I had the same problem.
Try it:
1-Backup the pallete.xml file located into <jdev install dir>/systemX.X.X.XXXX (X.X.X.XXXX is the version number)
2-Copy the pallete.xml file located into <jdev install dir>/multi/system to <jdev install dir>/systemX.X.X.XXXX
I hope this help
Rafael Farias

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JDeveloper NullPointerException at View Component Palette

Hi everybody...
The JDeveloper 9.0.3 is throwing an exception when I try to view the Component palette from the main menu or Ctrl+Shift+P command.
The exception is as following:
java.lang.NullPointerException
     void oracle.ideimpl.palette.PaletteImpl.populate()
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     void oracle.ideimpl.palette.PaletteWindowImpl.checkIfPopulated()
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     void oracle.ideimpl.palette.PaletteWindowImpl.show()
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     boolean oracle.ideimpl.palette.PaletteManagerImpl.handleEvent(oracle.ide.IdeAction, oracle.ide.addin.Context)
          PaletteManagerImpl.java:174
     void oracle.ide.IdeAction$1.run()
          IdeAction.java:579
     void java.awt.event.InvocationEvent.dispatch()
          InvocationEvent.java:154
     void java.awt.EventQueue.dispatchEvent(java.awt.AWTEvent)
          EventQueue.java:337
     boolean java.awt.EventDispatchThread.pumpOneEventForHierarchy(java.awt.Component)
          EventDispatchThread.java:131
     void java.awt.EventDispatchThread.pumpEventsForHierarchy(java.awt.Conditional, java.awt.Component)
          EventDispatchThread.java:98
     void java.awt.EventDispatchThread.pumpEvents(java.awt.Conditional)
          EventDispatchThread.java:93
     void java.awt.EventDispatchThread.run()
          EventDispatchThread.java:85
Thanks
What can I do to fix it?
Rafael

BUMP
Just wanted to inform that I ran into the same problem. Derek's solution solved my problem. I noticed that before applying this fix my own palette.xml was 0 bytes in size.
Using JDev 9.0.3.3 on a W2K3 TS.

Unable to add component palette in jdeveloper

Hi,
Im unable to add component palette in jdeveloper, it is giving exception and the stack trace is here below, pls let me know the solution.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
java.lang.NullPointerException
     at oracle.ideimpl.palette.PaletteImpl.populate(PaletteImpl.java:240)
     at oracle.ideimpl.palette.PaletteWindowImpl.checkIfPopulated(PaletteWindowImpl.java:323)
     at oracle.ideimpl.palette.PaletteWindowImpl.show(PaletteWindowImpl.java:364)
     at oracle.ideimpl.palette.PaletteManagerImpl.handleEvent(PaletteManagerImpl.java:174)
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     at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
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Try copying the palette.xml file from jdev\multi\system to your system directory( jdev\system(9....). Also, what system are you using?

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