problem with drag-and-drop operation under RedHat 7.1

Liz Buckley-Geer buckley "at"
Thu, 17 Jan 2002 18:05:28 +0000

Hi, I have searched through the mail archives and cannot find an answer to
the problem I am having.

A little background: I have an electronic logbook application written in
Java with a Java display. The application runs on RedHat Linux. I need to
send the display over the network but being Java it is horribly slow if I
use a standard X-connection. So I have been testing VNC as a possible
solution. My initial test used a Redhat 6.1 machine as the server and
clients on RedHat 6.1 and W2K. Everything worked well and the performance
was good.

Now I have the server running on a Redhat 7.1 machine. There is an
operation in the application where one does a search of the database and a
button is highlighted showing the number of entries found. You then drag
this button to another window and the contents of the entries are
displayed in the window. 

This works fine if my client is a W2K machine but when I do the same
operation using a Linux client (either 6.1 or 7.1) then the application
freezes after the drag-and drop operation and I have to kill it. The
server and the client session continue to run just fine.

I am stumped as to what to try next. The fact that it works with the W2K
client and on 6.1 suggests it is not an operation that is not supported by
VNC. I have recomplied all the VNC code on the 7.1 ssytem but this does
not seem to make any difference.

Does anyone have any suggestions.

        Thanks very much

                Liz Buckley-Geer
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