Re: Extreme swing app instability under JRE 1.4.x

From: Sandip Chitale (sandipchitale_at_yahoo.com)
Date: 12/02/03

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    Date: 1 Dec 2003 17:36:51 -0800

    When the applicaton freezes type CTRL-Break in the DOS window.
    That should dump the stack trace and thread state of all the threads
    which should help you with detecting deadlocks by looking at
    (unusual) thread states.

    HTH,
    sandip

    PS: You will have to run the app with java.exe instead of javaw.exe to
    get access to the console window.

    ruben.ambrose@wwt.com (Ruben) wrote in message news:<11e71266.0312010857.5623273d@posting.google.com>...
    > In upgrading to Weblogic 8.1 I've had to also port my code from JRE
    > 1.3 to 1.4. I've had no problems with our application server EJBs and
    > servlets. However I'm having a great deal of problems with many of our
    > Swing applications and one in particular.
    >
    > On client PCs (Win 2K), while being used, the application hangs at
    > completely random points of interaction. I've tried to establish a
    > pattern but there is none I can detect. The problem is easy to
    > reproduce. But it is not predictable. You may click on a tab or select
    > a row on a table for instance and it will just sit there unresponsive.
    > No CPU cycles used, no interaction with app server. Nothing.
    >
    > I've followed the advice of other newsgroup postings and the sun bug
    > database (#4713003):
    > -upgraded video card drivers
    > -upgraded directX
    > -tried the -Dsun.java2d.noddraw=true and -Dsun.java2d.d3d=false
    > switches
    >
    > All to no effect. The only real progress I've made is moving from
    > 1.4.1_03 to 1.4.2_01 when it was released. The app is much more stable
    > under 1.4.2 but still basically unusuable since it still just freezes
    > regularly.
    >
    > I've also tried the client on different types of hardware. New Compaq
    > laptop (ATI Mobility Radeon 7500 card) and new Compaq desktop as well
    > as old Gateway desktop (ATI Rage 128 card). The client is orders of
    > magnitude more stable on the old Gateway as compared to the new
    > machines. Freezes occur but are much fewer and far between.
    >
    > Would appreciate any and all helpful suggestions as to a work-around
    > or resolution.
    >
    > Thanks,

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