Exception in thread "main" [SOAPException: faultCo

hi every,one
i am working on tomcat server 4.1 and using soap2.3.1. when i run my program then i faced exception…and exception is …
Exception in thread “main” [SOAPException: faultCode=SOAP-ENV:Protocol; msg=Unsu
pported response content type “text/html; charset=ISO-8859-1”, must be: “text/xm
l”. Response was:

Apache Tomcat/4.1.31 - Error report

HTTP Status 404 - /soap/onjava

type Status report

message /soap/onjava

< p>description The requested resource (/soap/onjava) is not available.< /u>

Apache Tomcat/4.1.31

] at org.apache.soap.rpc.Call.getEnvelopeString(Call.java:173) at org.apache.soap.rpc.Call.invoke(Call.java:210) at CalcClient.main(CalcClient.java:31)

i have set the classpath of activation.jar,mail.jar,xerces.jar and xercesImpl.jar files. please try to solve my problem.
thanks and regards