Jindra Havlik, I checked the 2 aspects that u said,and they are right. But the problem still appears. ======= 2002-05-14 您在来信中写道：======= >Hi, > >1. chceck that Tomcat know where your *.class files for this demo are > path >to this files should be in CLASSPATH befor you run TOMCAT > >2. Check that your application is deployed on Server >http://localhost:8080/soap/admin - list > >----- Original Message ----- >From: "amy" <[EMAIL PROTECTED]> >To: "soap user" <[EMAIL PROTECTED]> >Sent: Tuesday, May 14, 2002 9:19 AM >Subject: a problem of "no signature match" > > >> hi,I am green on soap and need ur help. >> >> My platform: >> Tomcat 3.2.1 >> Apache soap 2.2 >> JDK 1.3.1 >> Win2000 >> >> I wrote a simple service as followed: >> package hello; >> public class HelloServer >> { >> public String sayHelloTo(String name) >> { >> System.out.println("sayHelloTo(String name)"); >> return "Hello " + name + ", How are you doing?"; >> } >> } >> >> The client code are showed below: >> >> package hello; >> >> import java.net.URL; >> import java.util.Vector; >> import org.apache.soap.SOAPException; >> import org.apache.soap.Constants; >> import org.apache.soap.Fault; >> import org.apache.soap.rpc.Call; >> import org.apache.soap.rpc.Parameter; >> import org.apache.soap.rpc.Response; >> >> public class Client >> { >> public static void main(String[] args) throws Exception >> { >> if(args.length == 0) >> { >> System.err.println("Usage: java hello.Client [SOAP-router-URL] >"); >> System.exit (1); >> } >> >> try >> { >> URL url = null; >> String name = null; >> if(args.length == 2) >> { >> url = new URL(args[0]); >> name = args[1]; >> } >> else >> { >> url = new URL("http://localhost:8080/soap/servlet/rpcrouter";); >> name = args[0]; >> } >> >> // Build the call. >> org.apache.soap.rpc.Call call = new org.apache.soap.rpc.Call(); >> call.setTargetObjectURI("urn:Hello"); >> call.setMethodName("sayHelloTo"); >> call.setEncodingStyleURI(Constants.NS_URI_SOAP_ENC); >> Vector params = new Vector(); >> params.addElement(new Parameter("name", String.class, name, >null)); >> call.setParams(params); >> >> // Invoke the call. >> Response resp = null; >> try >> { >> resp = call.invoke(url, ""); >> } >> catch( SOAPException e ) >> { >> System.err.println("Caught SOAPException (" + e.getFaultCode() >+ "): " + e.getMessage()); >> System.exit(-1); >> } >> >> // Check the response. >> if( !resp.generatedFault() ) >> { >> Parameter ret = resp.getReturnValue(); >> Object value = ret.getValue(); >> System.out.println(value); >> } >> else >> { >> Fault fault = resp.getFault(); >> System.err.println("Generated fault: "); >> System.out.println (" Fault Code = " + >fault.getFaultCode()); >> System.out.println (" Fault String = " + >fault.getFaultString()); >> } >> } >> catch(Exception e) >> { >> e.printStackTrace(); >> } >> } >> } >> >> And I deployed my service on apache soap.Here is my problem when I ran it: >> E:\>java hello.Client me >> Generated fault: >> Fault Code = SOAP-ENV:Server >> Fault String = Exception while handling service request: >hello.HelloServer.say >> HelloTo(java.lang.String) -- no signature match >> >> I checked it my code and service,and they were all right.I am confused >about this problem. >> Any help will grateful! >> >> Sincerely >> >> ??????????????amy >> ??????????????[EMAIL PROTECTED] >> ?????????????????2002-05-14 >> = = = = = = = = = = = = = = = = = = = = 致 礼！ amy [EMAIL PROTECTED] 2002-05-14
