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
for (int i = 0; i < fullPath.segmentCount(); i++) {
			String currentSegment = fullPath.segment(i);
			IResource resource = currentContainer.findMember(currentSegment);
			if (resource != null) {
				
				currentContainer = (IContainer) resource;
			} else {
				if (i == 0) {
					
					firstCreatedParent = new ProjectDescription(root
							.getProject(currentSegment));
					currentContainerDescription = firstCreatedParent;
				} else {
					IFolder folderHandle = currentContainer.getFolder(new Path(
							currentSegment));
					ContainerDescription currentFolder = new FolderDescription(
							folderHandle);
					currentContainer = folderHandle;
					if (currentContainerDescription != null) {
						currentContainerDescription.addMember(currentFolder);
					}
					currentContainerDescription = currentFolder;
					if (firstCreatedParent == null) {
						firstCreatedParent = currentFolder;
					}
				}
			}
		}
		return firstCreatedParent;
	}