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
* 
	 * @param location
	 *            the location URI, or <code>null</code> if there is no link
	 */
	public void setLocation(URI location) {
		this.location = location;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.ide.undo.ResourceDescription#verifyExistence(boolean)
	 */
	public boolean verifyExistence(boolean checkMembers) {
		boolean existence = super.verifyExistence(checkMembers);
		if (existence) {
			if (checkMembers) {
				
				if (members != null && members.length > 0) {
					for (int i = 0; i < members.length; i++) {
						if (!members[i].verifyExistence(checkMembers)) {
							return false;
						}
					}
				}
			}
			return true;
		}
		return false;
	}
}