Bug 166465 [Undo] NPE in undo code when deleting folder and subfolder
I20061129-1340 - in a CVS project, create a folder f1 and a folder f2 inside f1 - in the Synchronize view (change sets, compressed folders mode), select both f1 and f1/f2 - press Delete key and confirm dialog org.eclipse.core.commands.ExecutionException: While executing the operation, an exception occurred at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:517) at org.eclipse.ui.actions.DeleteResourceAction$3.run(DeleteResourceAction.java:488) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58) Caused by: java.lang.NullPointerException at org.eclipse.ui.internal.ide.undo.ContainerDescription.recordStateFromHistory(ContainerDescription.java:182) at org.eclipse.ui.ide.undo.WorkspaceUndoUtil.delete(WorkspaceUndoUtil.java:597) at org.eclipse.ui.ide.undo.WorkspaceUndoUtil.delete(WorkspaceUndoUtil.java:177) at org.eclipse.ui.ide.undo.AbstractResourcesOperation.delete(AbstractResourcesOperation.java:103) at org.eclipse.ui.ide.undo.DeleteResourcesOperation.doExecute(DeleteResourcesOperation.java:68) at org.eclipse.ui.ide.undo.AbstractWorkspaceOperation$1.run(AbstractWorkspaceOperation.java:210) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1743) at org.eclipse.ui.ide.undo.AbstractWorkspaceOperation.execute(AbstractWorkspaceOperation.java:208) at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:509) ... 2 more
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/undo/ContainerDescription.java
String name;
	URI location;
	String defaultCharSet;
	AbstractResourceDescription[] members;
	/**
	 * Create a container description from the specified container handle that
	 * can be used to create the container. The returned ContainerDescription
	 * should represent any non-existing parents in addition to the specified
	 * container.
	 * 
	 * @param container
	 *            the handle of the container to be described
	 * @return a container description describing the container and any
	 *         non-existing parents.
	 */
	public static ContainerDescription fromContainer(IContainer container) {
		IPath fullPath = container.getFullPath();
		ContainerDescription firstCreatedParent = null;
		ContainerDescription currentContainerDescription = null;
		
		
		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
		IContainer currentContainer = (IContainer) root.findMember(fullPath);
		if (currentContainer != null) {
			return (ContainerDescription) ResourceDescription
					.fromResource(container);
		}
		
		
		currentContainer = root;