Java 7 breaks SWT app on OS X using Web Start

Question

We have an application that launches via webstart that uses the SWT library.

It\'s well known that osx requires the swt library to run in the main thread, so we have

Answer 1

I've been seeing this as well with Java 7 and wonder if it's a Java 7 bug based on this post from another person (I went ahead and submitted a bug report since I didn't see any from searching through the Java bug database): http://www.java.net/forum/topic/jdk/java-se/webstart-os-x-xstartonfirstthread

The workaround I've found is simply to use javaws from the Java 6 supplied by Apple, although I had to launch it from the command line: /System/Library/Java/Support/Deploy.bundle/Contents/MacOS/javaws myjnlp.jnlp