After i upgraded my project from gwt 1.4.62 to gwt 1.5 it refused to
work :( It gives Failure RPC Call at gwt's hosted mode window and the
server side error message is;

17:18:09,509 ERROR [[/projectName]] Exception while dispatching
incoming RPC call
javax.servlet.ServletException: Content-Type must be 'text/plain' with
'charset=utf-8' (or unspecified charset)
        at
org.jboss.seam.remoting.gwt.GWTService.readPayloadAsUtf8(GWTService.java:
446)
        at org.jboss.seam.remoting.gwt.GWTService.access$000(GWTService.java:
32)
        at org.jboss.seam.remoting.gwt.GWTService$1.process(GWTService.java:
140)
        at
org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:
53)
        at org.jboss.seam.remoting.gwt.GWTService.getResource(GWTService.java:
130)
        at
org.jboss.seam.servlet.SeamResourceServlet.doGet(SeamResourceServlet.java:
75)
        at
org.jboss.seam.servlet.SeamResourceServlet.doPost(SeamResourceServlet.java:
92)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
290)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
206)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:83)
        at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:
85)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:
64)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:73)
        at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:
141)
        at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
        at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at
org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:
68)
        at org.jboss.seam.servlet.SeamFilter
$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
235)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
206)
        at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:
96)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
235)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
206)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
230)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:
175)
        at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:
179)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:
432)
        at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:
84)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
127)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
102)
        at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:
157)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
109)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
262)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
844)
        at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
446)
        at java.lang.Thread.run(Thread.java:619)


What i did:

I checked out all of the jar versions there is no problem.
I put jboss-seam-remoting.jar into ear
I checked if encoding different


There is no hope!

Any help will be appreciated. Please help me....
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