Dynamo is an application server running a stack of layered applications.

We are using JDK/JRE 1.3.1 and the AWT-EventQueue thread disappears causing
our ACC Gui to hang. The UI hangs (screen doesn't redraw, doesn't respond to input). The problem is seen in both Win and Solaris platforms using JDK 1.3.1 and 1.3.1_01 builds.

Testcase:
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- install AppDAP5.5 (Dynamo + all applications)
- start the appropriate database
- run the Channel Portal demo
- point your browser at http://localhost:8840/portal/cam
-login as airto/airto
-from the "Community Contacts" block click on "Michael Brooks"
-click on the "Work Desk" link to go back
-click on "Administer"
-from the "Page Template" drop down menu change the selection to "Phoenix
Page Template"
-click "Community Members"
-click the "Guests" tab
-click "+ Add / Remove Organizations"
-click on "Phoenix" from the box on the left; it should reappear in the box
on the right
-click the "Done" button
-click on "Community Pages"
-click the "Edit" link for Work Desk
-click the "Next" button
-select "Contracts" from the "Narrow" list then click the "->" arrow that
highlights; "Contracts" should move to the "Wide" list.
-click the "Done" button

-point your browser to http://localhost:8830/
-login as admin/admin
-click the "Admin ACC" link
-click the "Start ACC" button
-login to the UI as admin/admin
-In the UI window there's a series of boxes, click the one called "Portals"
-From the sub list that expand from Portals click "Document Repositories"

The UI should hang at this point. Doing a thread dump should reveal that the
AWT-EventQueue thread has disappeared. If you go back to
http://localhost:8830/portal/cam and continue browsing pages you may help
the VM to crash. Or it may crash by itself. Or it may not crash and continue
to hang.
Java HotSpot(TM) Client VM (build 1.3.1-b24, mixed mode)
java full version "1.3.1-b24"

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Thread dump:
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I have attached the thread dump that I took right after our UI hung.