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[news.eclipse.technology.epf] EPF fails starting user interface due to a Java error

Hi.
I don't no if I should report this as bug so I thought newsgroup is the place to start.


I have a FC7 RH Linux which works fine. PHP 2.5.x and Apche 2.2.x are installed and running well along with PDT (PHP Development Tools) final stable release.

I downloaded EPF 1.2.0 (Stable release) and final nightly build. Both fail to start during initializing phase (when the splash screen and progress screen bar are showed) with following message:

Exception in thread "Thread-5" java.lang.NoClassDefFoundError: org.eclipse.epf.authoring.ui.AuthoringPerspective
at org.eclipse.epf.rcp.ui.MainWorkbenchAdvisor.getInitialWindowPerspectiveId(Unknown Source)
at org.eclipse.ui.internal.Workbench.getDefaultPerspectiveId(Workbench.java:2828)
at org.eclipse.ui.internal.registry.PerspectiveRegistry.verifyDefaultPerspective(PerspectiveRegistry.java:627)
at org.eclipse.ui.internal.registry.PerspectiveRegistry.load(PerspectiveRegistry.java:406)
at org.eclipse.ui.internal.WorkbenchPlugin.getPerspectiveRegistry(WorkbenchPlugin.java:561)
at org.eclipse.ui.internal.Workbench.getPerspectiveRegistry(Workbench.java:1191)
at org.eclipse.ui.internal.Workbench.doOpenFirstTimeWindow(Workbench.java:1844)
at org.eclipse.ui.internal.Workbench.access$29(Workbench.java:1834)
at org.eclipse.ui.internal.Workbench$45.run(Workbench.java:1794)
at org.eclipse.ui.internal.Workbench.runStartupWithProgress(Workbench.java:1820)
at org.eclipse.ui.internal.Workbench.openFirstTimeWindow(Workbench.java:1792)
at org.eclipse.ui.internal.WorkbenchConfigurer.openFirstTimeWindow(WorkbenchConfigurer.java:190)
at org.eclipse.ui.application.WorkbenchAdvisor$1.run(WorkbenchAdvisor.java:785)


I tried the so called -data and -nolock command line parameters with no success.

Should I report this as a bug or perhaps a misconfiguration in my Java settings?

I appreciate your help in advance.