Re: How to solve RPC error: Character Encoding is 'text/'. Expected 'UTF-8'

Somehow your HttpServletRequest is "broken" and returns "text/" as character encoding: https://github.com/gwtproject/gwt/blob/ad8ed35116bf22efdfdcf6984a3a3d79e26ded04/user/src/com/google/gwt/user/server/rpc/RPCServletUtils.java#L425

This might be due either to bad parsing somewhere (Tomcat?), a broken servlet filter that passes a broken request down the chain, or a ill-formed Content-Type header received by Tomcat. Logging of Content-Type request headers at different stages could help identify what's broken.

On Wednesday, December 30, 2015 at 5:00:09 PM UTC+1, Ed wrote:

Sometimes I do get the following stacktrace during RPC communication with the Tomcat backend.

Any idea how to solve this, and what could cause this ?

- Ed

javax.servlet.ServletException: Character Encoding is 'text/'. Expected 'UTF-8'      at com.google.gwt.user.server.rpc.RPCServletUtils.checkCharacterEncodingIgnoreCase(RPCServletUtils.java:439)      at com.google.gwt.user.server.rpc.RPCServletUtils.readContent(RPCServletUtils.java:212)      at com.google.gwt.user.server.rpc.RPCServletUtils.readContentAsGwtRpc(RPCServletUtils.java:252)      at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.readContent(AbstractRemoteServiceServlet.java:182)

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