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The activator com.arrowframework.ui.main.ArrowUI for bundle com.arrowframework.ui is invalid
java.lang.ClassNotFoundException: com.aptana.ide.desktop.integration.DesktopIntegrationActivator	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:494)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:398)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:105)	at java.lang.ClassLoader.loadClass(Unknown Source)	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:326)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:231)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:150)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:751)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:280)	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:408)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:238)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1193)	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:160)	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:874)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:189)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)