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Hi there,
Every time when I open Eclipse I have this error. When I restart Eclipse and is working but whenever I get this error I have to recompile my code base. Any idea what is causing this error ? How can I solve this error ?
Thanks !
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![](https://www.techyv.com/sites/default/filesx/users/Techyv-Images/Eclipse--An-error-has-occurred.jpeg)
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An error has occurred. See error log for more details. Error notifying a preference change listener. Check the log for details. Error notifying a preference change listener. Check the log for details. java.lang.NullPointerException
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