The source of the problem seem to come from the fact that the proxy site
URL is different from the GWT app URL. This is discussed and nicely
documented in
https://groups.google.com/forum/?fromgroups#!searchin/google-web-toolkit/proxypass$20serialization/google-web-toolkit/3wE9yWLMJo4/Mebd0XgW1EIJ
(thanks
to the authors for this!)
The following proxy setting works properly as the URL are the same:
<Location /openmetadata-www-user-gwt/>
ProxyPass ajp://localhost:9009/openmetadata-www-user-gwt/
</Location>
In my case, I can rename the underlying GWT app on tomcat so that should
solved the issue. The post above provide excellent alternate solutions.
best
*K
On Wednesday, 2 May 2012 03:56:10 UTC-4, Kulnor wrote:
>
> I'm trying to proxy a GWT app running on my local Tomcat server through
> Apache use AJP but am getting 500 errors during RPC calls.
>
> I simply have a standard entry in my httpd.conf file:
> <Location /user/>
> ProxyPass ajp://localhost:9009/openmetadata-www-user-gwt/
> </Location>
>
> When I run the app directly on
> http://localhost:9090/openmetadata-www-user-gwt/ I have no problem, but
> when I go through the proxy, I can see the RPC call go through but then
> getting serialization errors while returning objects:
>
> SEVERE: Exception while dispatching incoming RPC call
> com.google.gwt.user.client.rpc.SerializationException: Type
> 'org.openmetadata.www.user.client.UserServiceException' was not assignable
> to 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a
> custom field serializer.For security purposes, this type will not be
> serialized.: instance =
> org.openmetadata.www.user.client.UserServiceException: User not found
>
> Tried with http proxy (and on standard ports) but same issue. Seem like an
> RPC serialization policy problem but not sure what to do. Any suggestion
> would be appreciated.
>
> best
>
> *K
>
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