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via pydev by willemx
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The activator org.python.pydev.plugin.PydevPlugin for bundle org.python.pydev is invalid
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The activator org.eclim.eclipse.EclimPlugin for bundle org.eclim is invalid
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The activator com.aptana.ide.desktop.integration.DesktopIntegrationActivator for bundle com.aptana.ide.desktop.integration is invalid
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via Stack Overflow by Dhirendra Khanka
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The activator sample.http2.Activator for bundle sample.http2 is invalid
java.lang.ClassNotFoundException: org.python.pydev.plugin.PydevPlugin  	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(	at java.lang.ClassLoader.loadClass(Unknown Source)	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(