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Posted to soap-user@xml.apache.org by amy <wx...@ict.ac.cn> on 2002/05/21 05:38:01 UTC
AbstractMethodError when run soap client
Hi,
I got an exception when I ran the soap client :
Exception in thread "main" java.lang.AbstractMethodError
at org.apache.soap.util.xml.QName.<init>(QName.java:80)
at org.apache.soap.util.xml.QName.matches(QName.java:146)
at org.apache.soap.Envelope.unmarshall(Envelope.java:237)
at org.apache.soap.rpc.Call.invoke(Call.java:230)
at hello.Client.main(Client.java:50)
And my client code is like that which the line 50 is
resp = call.invoke(url, "");
Anyone who knows the reason,pls help me.thank u.
/////////////////////////////Client.java//////////////////////////////
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();
}
}
}
致
礼!
amy
wxue@ict.ac.cn
2002-05-21