Google Web Toolkit: Tomcat exception

Hi,

my user reported a rpc.StatusCodeException. The tomcat logs report the exceptions shown below.

But I cannot see what the problem is.
Any hints?

Thanks

Magnus

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SEVERE: Exception while dispatching incoming RPC call

java.io.IOException

at org.apache.jk.common.JkInputStream.receive(JkInputStream.java:205)

at org.apache.jk.common.JkInputStream.doRead(JkInputStream.java:179)

at org.apache.coyote.Request.doRead(Request.java:428)

at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:304)

at org.apache.tomcat.util.buf.ByteChunk.substract(ByteChunk.java:405)

at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:327)

at org.apache.catalina.connector.CoyoteInputStream.read(CoyoteInputStream.java:162)

at com.google.gwt.user.server.rpc.RPCServletUtils.readContent(RPCServletUtils.java:222)

at com.google.gwt.user.server.rpc.RPCServletUtils.readContentAsGwtRpc(RPCServletUtils.java:250)

at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.readContent(AbstractRemoteServiceServlet.java:182)

at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:239)

at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)

at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)

at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)

at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)

at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)

at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)

at java.lang.Thread.run(Thread.java:662)

Dec 6, 2013 2:52:22 PM org.apache.catalina.core.ApplicationContext log