Hi ninads,
The first thing that springs to mind is conflicting JARs from 1.6.4 and
1.7.0, especially if you were able to run hosted mode without problems on
1.6.4. Can you double-check to make sure that you've updated your JARs to
1.7.0 (both for your project classpath and your hosted mode launch
configuration classpath) an try to launch again?

If that doesn't work, try following the upgrade path describes in the GWT
1.7.0 upgrade guide (link below):

GWT 1.7.0 Upgrade guide:
http://code.google.com/webtoolkit/doc/1.7/ReleaseNotes_1_7.html#Upgrading

<http://code.google.com/webtoolkit/doc/1.7/ReleaseNotes_1_7.html#Upgrading>Hope
that helps,
-Sumit Chandel

On Fri, Jul 31, 2009 at 2:26 AM, ninads <[email protected]> wrote:

>
> Hi,
>
> I am presently using GWT 1.6.4 for my projects in Eclipse (Ganymede),
> platform being Linux. I have tried to upgrade to GWT 1.7.0. Trying to
> run the code in hosted mode gives me the following error:
>
> ** Unable to find a usable Mozilla install **
> You may specify one in mozilla-hosted-browser.conf, see comments in
> the file for details.
>
>
> I have tried everything but was unable to solve this problem. Can you
> please help me as soon as possible.
> Thanks in advance.
>
> Best Regards,
> Ninad.
>
> >
>

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