FC4 (x)maple 9.5.2 "connection to kernel lost", java problem?

Benjamin Duehring fedora at lyxx.de
Wed Jul 13 12:30:34 UTC 2005


On Tuesday 12 July 2005 23:17, J.F. Vasconcelos wrote:
> Hello
> 
> Another way to disable the IPV6 is:
> 
> - edit /etc/sysconfig/network/config
> - set USE_IPV6=no
> - exit.
> - run "rcnetwork restart"
> 
> It was tested under SUSE but probably works on Fedora. Doesn't
> requires computer restart...
> 
> 
> On Fri, 2005-06-17 at 10:54 +0100, Des Johnston wrote:
> > The java frontend to maple (9.5.2) that fires up with xmaple returns a
> > "connection to kernel lost" and opens up a window which doesn't accept 
> > input in FC4. Command line maple and the old-fashioned maple -cw 
> > interfaces are still working fine in FC4. There are no problems in FC3.
> > 
> > Has anyone found an FC4 workaround? Fiddling around with the built in java 
> > vm in maple didn't offer any improvement for me.
> 
> It seems that I have found the problem.
> Apparently Java gets confused by IPV6, so ipv6 must be disabled.
> This can be done, by putting the following lines
> into /etc/modprobe.conf:
> alias net-pf-10 off
> alias ipv6 off
> Reboot, then xmaple should run fine.
> --
> 

The "java" file content sould be:

#!/bin/bash
/opt/maple9.5/jre.IBM_INTEL_LINUX/bin/java.orig  -Djava.net.preferIPv4Stack="true" $*

I'm sorry the editor inserted a line break.


__________________________
Benjamin Duehring, FORWISS|
Universitaet Passau       | Priv. e-mail : duehring at forwiss.uni-passau.de
D-94030 Passau            | WWW          : http://www.lyxx.de/card




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