Unable to start JDeveloper 10.1.2

From: Sepp <josef.gergetz_at_magnasteyr.com>
Date: 23 Jan 2006 02:41:56 -0800
Message-ID: <1138012916.543454.290140_at_g49g2000cwa.googlegroups.com>

Hi,
[Quoted] I installed JDev some months ago, and it runs ok ... But today, I got an exception during JDev-start. I can see the splash-screen for a few seconds, and then I get the exception:
java.lang.NullPointerException

        at oracle.ide.addin.AddinConfig.isEmpty(AddinConfig.java:239)
        at
oracle.ide.AddinManager.exclusiveExtension(AddinManager.java:1317)
        at
oracle.ide.AddinManager.initProductAndUserAddins(AddinManager.java:431)
        at
oracle.ide.IdeCore.initProductAndUserAddins(IdeCore.java:1650)
        at oracle.ide.IdeCore.startupImpl(IdeCore.java:1109)
        at oracle.ide.Ide.startup(Ide.java:539)
        at oracle.jdeveloper.JDeveloper.launch(JDeveloper.java:58)
        at oracle.jdeveloper.JDeveloper.main(JDeveloper.java:37)

Any ideas, what's going wrong ? Received on Mon Jan 23 2006 - 11:41:56 CET