[Bug 1253] New: JNLP applets run on Swing EDT thread

bugzilla-daemon at icedtea.classpath.org bugzilla-daemon at icedtea.classpath.org
Fri Jan 11 08:56:03 PST 2013


http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1253

            Bug ID: 1253
           Summary: JNLP applets run on Swing EDT thread
    Classification: Unclassified
           Product: IcedTea-Web
           Version: hg
          Hardware: all
                OS: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: NetX (javaws)
          Assignee: omajid at redhat.com
          Reporter: adomurad at redhat.com
                CC: unassigned at icedtea.classpath.org

This problem affects only javaws applets (ie JNLP files with applet-desc
instead of application-desc).

The start() init() etc methods of the Applet class used run on the Swing EDT
thread. This means that Swing is essentially broken.

A very simple reproducer is:

EventQueue.invokeAndWait(new Runnable() { void run() {} } );

This will hang the applet.

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