Exception in thread "main" javax.xml.ws.soap.SOAPFaultException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.FormatException: Invalid character in a Base-64 string.
   at System.Convert.FromBase64String(String s)
   at Common.Retail.EncrypterHelper.Decrypt(String s)
   at WebService.Retail.RetailService.Logout(String ticket, String& messageDataAsXml)
   --- End of inner exception stack trace ---
	at com.sun.xml.internal.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:171)
	at com.sun.xml.internal.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:94)
	at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:240)
	at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:210)
	at com.sun.xml.internal.ws.client.sei.SEIStub.invoke(SEIStub.java:103)
	at $Proxy31.logout(Unknown Source)
	at qsys.Qsys.main(Qsys.java:46)

Holder loginResult=new Holder();
        Holder messageDataAsXml=new Holder();
        Holder ticket=new Holder();
        Holder logoutResult=new Holder();
                
        RetailService rs=new RetailService();
        RetailServiceSoap port=rs.getRetailServiceSoap();
        port.login("login", "password", messageDataAsXml, loginResult, ticket);
                       
        System.out.println("Logouting...");
        String t=ticket.value.toString();
    
        port.logout(/*ticket.value.toString()*/t, messageDataAsXml, logoutResult);

<ExceptMessage>System.FormatException: Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
   at System.Guid..ctor(String g)