Launching TextEdit on a Mac from a Java application

I am having a problem launching textedit from a Java application. It was working a week ago on a fresh iMac, but since then I have installed Lightroom, Photoshop, the Studio MX suite stuff, and now the textedit program does not start from my Java app. This is the code that I am using in my application to launch textedit:
String command = "open -e \""+filename.getAbsolutePath()+"\"";
Runtime rt = Runtime.getRuntime();
rt.exec(command);I've also tried it this way:
String command = "open -e \""+filename.getAbsolutePath()+"\"";
Process child = Runtime.getRuntime ().exec (command);I've printed the command to execute out on the console and it appeared like this:
open -ef "\Users\user\Desktop\filename.txt"But it doesn't open textedit. The funny thing is, if I copy and paste that open command into the Terminal, it will open the file in TextEdit. Why won't it work in my Java app anymore, but still work through the terminal? I don't get any errors in the console, it just doesn't open TextEdit anymore. Is there a setting somewhere that might have been changed that let me start TextEdit from a Java app. I checked and TextEdit is still my default program for opening text files, which I guess makes since why it works from the Terminal, but I don't get why it doesn't start TextEdit from my Java app.
Some of this might just be a Mac issue, I'm new to that system. But the code I'm using used to work. I guess maybe I'm looking for another (better) way of opening TextEdit on the Mac from Java.
I'm using Java 1.5.0_07. Thanks.

Try specifying an absolute path for open (/usr/bin/open ?).

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