Description Richard Craddock 2010-01-07 09:30:23 EST

Sometmes get the following message in the log.

The related line is simply :

MessageBox box = new MessageBox(getActiveWorkbenchShell(),SWT.YES | SWT.NO);


At a guess the active Shell does not yet exist? Is there a way to handle/defer this until the right moment?


java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.swt.SWT.error(SWT.java:3865)
at org.eclipse.swt.SWT.error(SWT.java:3799)
at org.eclipse.swt.SWT.error(SWT.java:3770)
at org.eclipse.swt.widgets.Dialog.error(Dialog.java:198)
at org.eclipse.swt.widgets.Dialog.checkParent(Dialog.java:164)
at org.eclipse.swt.widgets.Dialog.<init>(Dialog.java:127)
at org.eclipse.swt.widgets.MessageBox.<init>(MessageBox.java:98)
at org.eclipse.tigerstripe.workbench.ui.EclipsePlugin.checkForFactoryProfile(EclipsePlugin.java:597)
at org.eclipse.tigerstripe.workbench.ui.EclipsePlugin.start(EclipsePlugin.java:134)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
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.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:449)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:211)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:381)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:457)
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(ClassLoader.java:248)
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.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.core.internal.resources.mapping.ModelProviderDescriptor.getModelProvider(ModelProviderDescriptor.java:82)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager.getMappings(SynchronizationScopeManager.java:100)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager.getMappingsFromProviders(SynchronizationScopeManager.java:86)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager.internalPrepareContext(SynchronizationScopeManager.java:204)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager.access$0(SynchronizationScopeManager.java:187)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager$1.run(SynchronizationScopeManager.java:167)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800)
at org.eclipse.team.core.mapping.provider.SynchronizationScopeManager.initialize(SynchronizationScopeManager.java:165)
at org.eclipse.team.ui.synchronize.ModelOperation.initializeScope(ModelOperation.java:161)
at org.eclipse.team.ui.synchronize.ModelOperation.beginOperation(ModelOperation.java:124)
at org.eclipse.team.ui.synchronize.ModelOperation.run(ModelOperation.java:105)
at org.eclipse.team.internal.ccvs.ui.actions.WorkspaceTraversalAction.getTraversals(WorkspaceTraversalAction.java:56)
at org.eclipse.team.internal.ccvs.ui.actions.WorkspaceTraversalAction.getTraversals(WorkspaceTraversalAction.java:202)
at org.eclipse.team.internal.ccvs.ui.actions.CommitAction$1.run(CommitAction.java:62)