DWR exception: Invalid reply from server resolution __DWR

After you execute a method with parameters,

DWR1.3+TOMCAT5 does not appear invalid reply from server exception
DWR2+TOMCAT5 invalid reply from server exception appears
dwr1.3+resin3.0.8 will appear invalid reply from server exception (the problem has been found and can run correctly)

Finally found the problem with dwr1.3+resin3.0.8 invalid reply from server exception
The previous days in the resin lib directory of the dwr2.0 jar package-...

DWR1.0 version
Xml
<servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
Dwr.xml
<! DOCTYPE dwr Public "-//getahead limited//dtd Direct Web Remoting 1.0//en" "Http://www.getahead.ltd.uk/dwr/dwr10.dtd" >

DWR2.0 version
Xml
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
Dwr.xml
<! DOCTYPE dwr Public "-//getahead limited//dtd Direct Web Remoting 2.0//en" "Http://www.getahead.ltd.uk/dwr//dwr20.dtd" >