Thanks! This worked for me too.

Created the symlink first but no change.
After deleting compreg.dat and a restart of firefox the plugin registeret correctly.

- lek

On 26/04/10 00:56, Andrew Sutherland wrote:
I was experiencing a failure to load the plugin too using Firefox
3.6.3 on Fedora Core x86_64 (installed from rawhide)...

I deleted the compreg.dat from my firefox profile to force Firefox to
re-initialize all JS components so that any dynamic linking problems
would be brought to the fore and ran with LD_DEBUG.  This revealed
that the GWT library has a dependency on "libnspr4.so.0d" that the
linker was unable to resolve.

I am presuming the library naming is a build artifact appropriate only
on Ubuntu, as the only .so.0d's on my system live in /opt/google/
chrome and just point at the standard /lib64 .so's.

Creating a symlink for the file in my /usr/lib64 neatly resolves the
problem for me:
cd /usr/lib64
sudo ln -s libnspr4.so libnspr4.so.0d

Andrew

On Apr 22, 2:53 pm, abustany<[email protected]>  wrote:
I also tried with the Firefoxpluginfrom GWT trunk, and got the same
result :/

On Apr 20, 10:25 am, Chris Conroy<[email protected]>  wrote:





For those of you still experiencing this issue, can you try checking that
your problem persists if you create a new GWT application (e.g. just run the
sample app from GPE)?
If the problem is constrained to your existing applications, try checking
that your war/WEB-INF/lib/gwt-servlet.jar file is up to date.
On Sat, Apr 17, 2010 at 11:59 PM, Matthew Willis<[email protected]>wrote:
I am also getting this behavior.  Thepluginacts as if it weren't
installed.
Did you figure it out, Michel?
On Apr 9, 11:35 pm, Michel Alexandre Salim
<[email protected]>  wrote:
On Apr 2, 7:43 pm, Christopher Conroy<[email protected]>  wrote:>  On
Fri, Apr 2, 2010 at 7:38 AM, [email protected]<[email protected]>
wrote:
I see 'Google Web Toolkit DeveloperPluginforFirefox1.0.7511' in
Firefoxin 'Tools/Add-ons/Extensions', but if I start 'http://
127.0.0.1:8888/MyWebApp.html?gwt.codesvr=127.0.0.1:9997' I got
always
the message 'Development Mode requires the Google Web Toolkit
DeveloperPlugin' andFirefoxwants to download thepluginagain.
What can be wrong?
Do you perhaps have theplugininstalled but disabled?
Per my previous message (still pending moderation), here are my
findings:
- Development mode does not work in Firefox 3.6.3:
   -- from the system-provided RPM as well as a manual installation of
Firefox from mozilla.org
   -- using Eclipse or using the webAppCreator script
- The war target works fine on the same Firefox installation, but this
is really unsuitable during development as the compile-deploy-test
cycle is too long
Thanks,
--
Michel Alexandre Salim
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