[kepler-dev] remote display of Kepler & drag&drop

Christopher Brooks cxh at eecs.berkeley.edu
Tue Apr 25 11:36:57 PDT 2006

Try running Ptolemy and displaying remotely.  I do this fairly often
running under Solaris and displaying under Windows using Hummingbird
X.  Works fine for me.

Another thing would be to mess with the backing store of your X

Lately, I've been running Kepler remotely on a Windows box and
connecting remotely via Windows Remote Desktop.  This works quite well
even over my ultra low end DSL (150kb down).

As a wild shot, this could also be a problem with threading.  I'm
working on the splashscreen and Kepler invocation code.  If Ptolemy
works fine and Kepler does not, then I suspect KeplerApplication and

(BTW - I'll give you empathy and the frosty cold beverage of your choice)



    No Mac, only linux PCs everywhere.
    And there are no error messages, simply it does not do anything.
    PS: Thank you for the empathy, I need it desperately.
    On Tue, 25 Apr 2006, Matthew Brooke wrote:
    > is the remote machine a Mac, by any chance?
    > I saw this behavior about a month ago, remotely accessing a mac (using VN
    > over SSH), and was seeing Java errors that I have never seen before (or 
    > since), which had something to do with the display environment and the Ap
    > JVM (I didn't copy the error for posterity, unfortunately). Google didn't
    > shed any light on the issue, and then subsequently, the problem went away
    > mysteriously as it started.
    > In conclusion, I can't offer any helpful advice, but thought a little emp
    > might help :-)
    > I'd be interested to hear if it *is* OS X, and if you get any java errors
    > showing up in the command window
    > m
    > ---------------------------------------------
    > Matthew Brooke, Ph.D.
    > Marine Sciences Research Building, Room #3407
    > University of California
    > Santa Barbara, CA  93106-6150
    > ph: (805) 893-7108   fx: 805-893-8062
    > brooke at nceas.ucsb.edu
    > ---------------------------------------------
    > Norbert Podhorszki wrote:
    >> Hi,
    >> I am trying to use Kepler on a very remote machine, going in with ssh -X
    >> (through an intermediate machine).
    >> In such extremely awfully unbearably slow circumstances, dragging the 
    >> actors from the tree to the display does not work.
    >> Had anyone such experience? Is this kepler specific, or java awt issue?
    >> Dragging the actors of a workflow on the screen works - although there i
    >> no one in the world who can wait for it, except me.
    >> In a similar silly testing - going to a remote machine and come back usi
    >> ssh -X  - running kepler on my own machine behaves similarly. However, t
    >> dragging looks like working: the icon of dragging appears on screen. But
    >> the drop part does not work.
    >> Any idea, how to use Kepler remotely?
    >> Thanks
    >> Norbert
          Norbert Podhorszki
          University of California, Davis
          Department of Computer Science
          1 Shields Ave, 2236 Kemper Hall
          Davis, CA 95616
          (530) 754-8188
          pnorbert at cs.ucdavis.edu
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