Hi I'm facing the following scenario, at the moment at our servers we
have several applications developed with GWT 2.0.3, so the clients has
been compiled with this particular version.
now we want to update the gwt version installed on our servers to
2.1.1 by replacing the jars in the server configuration, but we want
to avoid recompile and reinstall all the clients.
When just replacing the gwt jars at the server and then accesing the
applications we get an error: "This application is out of date, please
click the refresh button on your browser. ( Expecting version 5 from
server, got 6. )" this has to do with the different version of gwt
used to compile clients (2.0.3) versus the version on the server
(2.1.1) used to execute at the server side.

What I would like to be able to do is that a newer version of gwt is
able to communicate with clients compiled with an older version of
gwt. Example, client compiled with 2.0.3 and libs installed at server
are 2.1.1, then I would expect that on the server side it is able to
recognize the client version and act based on that.

I'm not sure if this is possible at the moment, if it's please point
any information that could help me resolve it.

If it's not possible maybe I should open an issue/ request of
implementation of this use case.


thanks in advance
Alejandro


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