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 member
	 *            the resource description considered a member of this
	 *            container.
	 */
	public void addMember(AbstractResourceDescription member) {
		if (members == null) {
			members = new AbstractResourceDescription[] { member };
		} else {
			AbstractResourceDescription[] expandedMembers = new AbstractResourceDescription[members.length + 1];
			System.arraycopy(members, 0, expandedMembers, 0, members.length);
			expandedMembers[members.length] = member;
			members = expandedMembers;
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.ide.undo.ResourceDescription#restoreResourceAttributes(org.eclipse.core.resources.IResource)
	 */
	protected void restoreResourceAttributes(IResource resource)
			throws CoreException {
		super.restoreResourceAttributes(resource);
		Assert.isLegal(resource instanceof IContainer);
		IContainer container = (IContainer) resource;
		if (defaultCharSet != null) {
			container.setDefaultCharset(defaultCharSet, null);
		}
	}
	/**
	 * Set the location to which this container is linked.