This is the bug I reported about isNodeSelected() throwing a NullPointerException because getNodeId() returns a null nodeId. http://issues.apache.org/jira/browse/MYFACES-160
I put the fix in the bug report. It's null because it hasn't been set yet. ----- Original Message ----- From: "Sean Schofield" <[EMAIL PROTECTED]> To: "MyFaces Discussion" <[email protected]> Sent: Friday, April 01, 2005 9:30 PM Subject: Re: getNodeId() returning null in tree2 > I still need some time to think about what the problem might be. I > have a lot of personal stuff going on that's keeping me busy at the > moment. Plus I am working on some stuff related to the new website, > etc. > > I will get back to you shortly though. > > sean > > > On Mar 31, 2005 4:30 PM, Jon Travis <[EMAIL PROTECTED]> wrote: > > Ack! > > > > Replace 'false' with null (hence the NPE). > > > > The NPE occurs in HtmlTree.isNodeSelected() -- it > > does: > > > > return getNodeId().equals(_selectedNodeId) > > > > getNodeId() returns false. Up the stack, this > > is being called from DebugUtils.printComponent. > > > > -- Jon > > > > > > On Mar 31, 2005, at 6:04 AM, Sean Schofield wrote: > > > > > Jon, > > > > > > When you say getNodeId returns false, do you mean the string value > > > "false"? That method returns a String so I'm a bit confused. How do > > > you know the id is "false"? Are you doing a debug statement? > > > > > > Please clarify so I can try and help you. Also, what is the exact > > > line where the NPE occurs? Is it the return statement in > > > isNodeExpanded? If so (and if you have a debugger) it would be > > > helpful to know which value is null. > > > > > > Regards, > > > sean > > > > > > ps. I forwarded this to the myfaces list in case anyone else has the > > > same problem. These messages are also archived so if someone has the > > > same question in the future they can get information by doing a quick > > > search. > > > > > > > > > On Thu, 31 Mar 2005 08:55:00 -0500, Sean Schofield > > > <[EMAIL PROTECTED]> wrote: > > >> ---------- Forwarded message ---------- > > >> From: Jon Travis <[EMAIL PROTECTED]> > > >> Date: Wed, 30 Mar 2005 17:32:19 -0800 > > >> Subject: getNodeId() returning null in tree2 > > >> To: Sean Schofield <[EMAIL PROTECTED]> > > >> > > >> Hey Sean, > > >> > > >> Hope this isn't a braindead question, but: > > >> > > >> I'm getting a NPE in the tree2 code when there is > > >> no node that is selected & I am expanding/collapsing. > > >> > > >> Basically it comes about when HtmlTree.isNodeSelected > > >> is run -- getNodeId() returns false, then kaboom. > > >> > > >> Thoughts? > > >> > > >> -- Jon > > >> > > > > > > > > > >
