This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Created attachment 104731 [details] output from stack trace tool When opening a form or switching from "source" to "design" the GUI design sometimes hangs. This is not a consistent issue but several of us on OS X Java 1.6.22 are experiencing it with NetBeans 6.9.1 and 7 beta.
Created attachment 104732 [details] screen capture of "Loading..." message
We would be 100% sure if seeing a thread dump http://wiki.netbeans.org/GenerateThreadDump but much likely this is bug 187676 (JDK bug fixed since 6u23). *** This bug has been marked as a duplicate of bug 187697 ***