Simple Object Access Protocol (SOAP) FAQ From jGuruGenerated Sep 13, 2005 2:27:12 PMLocation: http://www.jguru.com/faq/SOAP Ownership: http://www.jguru.com/misc/user-agree.jsp#ownership. What does SOAP stand for? Location: http://www.jguru.com/faq/view.jsp?EID=96406 Created: Jul 5, 2000 Modified: 2000-07-05 11:39:32.309 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) SOAP stands for Simple Object Access Protocol. What is SOAP used for? Location: http://www.jguru.com/faq/view.jsp?EID=96411 Created: Jul 5, 2000 Modified: 2000-07-05 11:40:41.627 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) Taken from the SOAP v1.1 specification [http://www4.ibm.com/software/developer/library/soap/soapv11.html: SOAP is a lightweight protocol for exchange of information in a decentralized, distributed environment. It is an XML based protocol that consists of three parts: an envelope that defines a framework for describing what is in a message and how to process it, a set of encoding rules for expressing instances of application-defined datatypes, and a convention for representing remote procedure calls and responses. Where can I get a Java version of SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=96415 Created: Jul 5, 2000 Modified: 2000-09-20 13:00:07.329 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) IBM makes a reference implementation available through the Apache group at http://xml.apache.org/soap. Are there any mailing lists where one can learn more about SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=96421 Created: Jul 5, 2000 Modified: 2000-07-05 11:43:26.214 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) DevelopMentor runs a list. You can subscribe and read the archives at http://discuss.develop.com/soap.html. Comments and alternative answers

They also run a SOAP-BOFs mailing list. Author: John Mitchell (http://www.jguru.com/guru/viewbio.jsp?EID=4), Dec 21, 2000 They also run a SOAP-BOFs mailing list. Here are a few more.

Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011), Aug 18, 2001

Apache Axis Mailing List Apache SOAP Users and Developers Mailing List Developmentor's SOAP mailing list IBM's SOAP NewsGroup comp.text.xml SOAPRPC's Mailing List

Where can I find the latest SOAP specification? Location: http://www.jguru.com/faq/view.jsp?EID=96438 Created: Jul 5, 2000 Modified: 2000-07-05 11:51:55.911 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) The W3C maintains the latest at http://www.w3.org/TR/SOAP/. Comments and alternative answers

Latest SOAP Specification is SOAP 1.2... Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011), Aug 10, 2001 http://www.w3.org/TR/soap12/Are there any SOAP-specific FAQs available? Location: http://www.jguru.com/faq/view.jsp?EID=96437 Created: Jul 5, 2000 Modified: 2000-07-05 12:57:41.922 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) The DevelopMentor SOAP FAQ is probably the best place to start. Microsoft also has a SOAP FAQ. What is XML-RPC and how is it different from SOAP (Simple Object Access Protocol)? Location: http://www.jguru.com/faq/view.jsp?EID=201434 Created: Sep 8, 2000 Modified: 2000-09-18 07:49:45.587 Author: Ron Kurr (http://www.jguru.com/guru/viewbio.jsp?EID=132270) Question originally posed by Sesh Jalagam (http://www.jguru.com/guru/viewbio.jsp?EID=41325 In XML-RPC you send an XML document over HTTP that describes a method on an object to call. The response from the method is also an XML document. Why do this? XML and HTTP are language independent. This allows a server written in Java running on a Unix box to service requests from a Visual Basic program running under Windows 95. All languages deal with strings (XML) and a lot of them have libraries for dealing with HTTP, which makes for nice interoperability. The tradeoff, of course,

is speed. A binary data stream is probably faster but it is harder to get the platform independence that XML-RPC gives. You can learn more from the XML-RPC website. SOAP does essentially the same thing. Comments and alternative answers

XML-RPC vs SOAP Author: Ben Soedjono (http://www.jguru.com/guru/viewbio.jsp?EID=503607), Oct 2, 2001 There is a great explanation on Webservices.org FAQ for XML-RPC at http://www.webservices.org/modules.php?op=modload&name=FAQ&file=index&myfaq=yes&id_cat=10 RPC+v1.0How does CORBA compare to RMI? to SOAP? to .NET? Location: http://www.jguru.com/faq/view.jsp?EID=246427 Created: Nov 6, 2000 Modified: 2000-11-07 11:36:32.099 Author: Pavel Tavoda (http://www.jguru.com/guru/viewbio.jsp?EID=19085) Question originally posed by Manik Surtani (http://www.jguru.com/guru/viewbio.jsp?EID=234475 It's not simple question and to completely answer this question you need good study. At first I want point you on one very good bookmark page Cetus Links. And now my answer: CORBA - is set of standards, definitions, language mappings, application interfaces, standard services. Many of Java interface standards are java mapping of standard CORBA interfaces sometimes with small extensions. One part of CORBA is protocol description between server and client for interchanging data and calling procedure. This part of CORBA standard is called GIOP (General Inter-Orb Protocol) and TCP/IP realization is called IIOP (Internet Inter-Orb Protocol). RMI - is protocol for remote invocation of services for Java and only for Java. As low level protocol is using proprietary communication and both sides (client and server) have to be in Java. RMI with IIOP plugin - it's standard RMI with IIOP used as communication low level protocol. Thanks to this you can have full interoperability between RMI and CORBA and IIOP plugin is used as bridge between this two worlds. However if you want build heterogenous, enterprise, stable solutions then I would advise you to use full CORBA and not intermix RMI with CORBA. Some CORBA implementations are free, tested, very stable, fast, well documented ... . SOAP (Simple Object Access Protocol) - Is XML based protocol for interchanging XML objects. It's description of wire format for interchanging XML objects. It give you answers on question similar to this: "How to transfer object 2,3 and 5 from my set on server to client". .NET - something very similar to what already J2EE (Java Enterprise Edition) have except reason that .NET is only in state of strategy and promising great features.

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please discusss Performance comparison results Author: Nilesh Shirbhate (http://www.jguru.com/guru/viewbio.jsp?EID=1116424), Sep 18, 2003 I will appreciate if you can provide the information wrt to the performance of these competing distributed computing technologies. I mean given a distrbuted application,Say client is sending a request containing a 200 byte data to the server how much time this method will take per transaction in colocated ( client and server on the same machine)as well as distributed scenarios.What is SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=469776 Created: Aug 5, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) SOAP is an abbreviation for Simple Object Access Protocol. According to W3C Note on SOAP: SOAP is a lightweight protocol for exchange of information in a decentralized, distributed environment. It is an XML based protocol that consists of three parts: an envelope that defines a framework for describing what is in a message and how to process it, a set of encoding rules for expressing instances of application-defined datatypes, and a convention for representing remote procedure calls and responses. Where can i find information on Microsoft's implementation of SOAP for Windows platforms? Location: http://www.jguru.com/faq/view.jsp?EID=472798 Created: Aug 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) http://msdn.microsoft.com/soap/ Where can i find Open Source Java implementations for SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=472799 Created: Aug 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Apache AXIS Apache SOAP 2.2 Are there some articles that i can help me jumpstart my Java based SOAP project? Location: http://www.jguru.com/faq/view.jsp?EID=472879 Created: Aug 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) JavaWorld has a series of articles on SOAP. Clean up your wire protocol with SOAP, Part 1 Clean up your wire protocol with SOAP, Part 2

Clean up your wire protocol with SOAP, Part 3 Clean up your wire protocol with SOAP, Part 4

Where can i find a list of publicly accessible web services available using SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=473937 Created: Aug 10, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) http://www.xmethods.com/index.html What books are available for SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=473940 Created: Aug 10, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Programming Web Services with SOAP Understanding SOAP: The Authoritative Solution Professional XML XML and SOAP Programming for BizTalk Servers Professional Windows DNA: Building Distributed Web Applications with VB, COM+, MSMQ, SOAP, and ASP

Where can i read up about the history/evolution of SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=473944 Created: Aug 10, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) DevelopMentor has a A brief history of SOAP. What Toolkits are available for SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=473945 Created: Aug 10, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Here's a list from SoapWare.ORG. Apache SOAP (Apache project) [Full, Java] 2.2, 2001/05/30 AXIS (Apache project) [Full, Java] Not released yet TRLSOAP (IBM Research, Tokyo) [Full, Java] 0.72, 2000/11/24 Web Services Toolkit (IBM, alphaWorks) [Full, Java] 2.3, 2001/05/14 IdooXoap for Java (Zvon.org) [Full, Java] 1.1.1, 2001/03/18 WASP 1.0 Runtime (Zvon.org) [Full, Java] 1.0, 2001/03/18 GLUE [registration required] (Graham Glass) [Full, Java] 3.1, 2001/07/14 eSOAP (Rosimildo da Silva ) [Client, Java] 0.4, 2001/05/23 DevelopMentor SOAP (DevelopMentor) [Full, Java] 0.3, 2000/01/24 SoapRMI (Indiana University) [?, Java] 1.1, 2001/04/02 jBroker Web [login required] (SilverStream Software) [Full, Java] 1.0, 2001/06/04

X-Soap Toolkit (Xwaresoft.com) [Full, Java] 0.9, 2000/09/17 ZOAP (jBoss.org) [Full, Java] ?, ? SOAPDirect (CapeConnect) [registration required] (Cape Clear Software) [Full, Java] 2.0, 2001/05/11 Bubbles Project (Vivek Chopra) [Client, Java | PDA | KVM-based] Not released yet kSOAP (Enhydra.org) [Client, Java 2 Micro Edition | PDA | KVM-based] ?, 2001/05/17 Soap Toolkit for JBuilder [login required] (Stephen Schaub) [Client, Java | JBuilder 4 | Win] ?, 2001/03/02 XML Messaging Server (IBX) [login required] (Interbind) [Full, Java] 0.9, 2001/02 InstantXML [registration required] (Tradia) [?, Java] ?, ? Microsoft SOAP toolkit (Microsoft) [Full, VB/C# | WinNT/2K] 2.0, 2001/04/25 Microsoft SOAP toolkit (aka ROPE) [no support] (Microsoft) [Full, VB/C# | WinNT/2K] 1.0, 2000/12 Visual Studio .NET (Microsoft) [Full, .NET | WinNT/2K/98/Me] B2, 2001/06/18 .NET Framework SDK (Microsoft) [Full, .NET | WinNT/XP/2K/98/Me] B2, 2001/06/07 4s4c (Simon Fell) [Server, COM | WinNT/2K] 1.3.6, 2001/07/13 pocketSOAP (Simon Fell) [Client, COM? | Win9x/Me/NT/2K/Pocket] 1.1b2, 2001/07/13 White Mesa (Robert Cunnings) [Full, C++ | COM | WinNT/2K] 2.2, 2001/06/11 vbSOAP (Phalanx Systems) [?, VB | COM] ?, ? SOAP component in IP*Works (Nsoftware) [Client, VB/VC++/Delphi/C++Builder | Win9x/NT] ?, ? WebServer Tool [registration required] (Dart) [Full, VB/VC++/Delphi/C++Builder | COM | WinNT/2K] 1.5.0, ? SOAP::Lite (Paul Kulchenko) [Full, Perl] 0.51, 2001/07/18 DevelopMentor SOAP (DevelopMentor) [Full, Perl] 0.28, 2000/09/05 PerlEx (ActiveState) [Server, Perl | WinNT/2K] 2.0.0.204, 2001/04/24 Secret Labs SOAP (Secret Labs) [Full, Python] 0.8, 2000/06/21 SOAP.py (Cayce Ullman) [Full, Python] 0.9.7, 2001/06/27 SOAPy (Adam Elman) [Client, Python] 0.1, 2001/04/26 ZSI: Zolera Soap Infrastructure (Zolera Systems, Rich Salz) [Full, Python] 0.5, 2001/05/29 Lye -- COM to SOAP (Andrew Dalke) [Client, Python | COM clients] 0.1, 2000/09/14 IdooXoap for C++ (Zvon.org) [Full, C++] 0.9, 2000/03/23 SimpleSOAP (Scott Seely) [Client, Visual C++] ?, 2001/01/13 C++ Library for SOAP Client (SQLData) [Client, C++ | WinNT/2K] 2.0, 2000/12/10 SQLData SOAP Server (SQLData) [Server, C++ | WinNT/2K] 3.01, 2001/01/25 EasySOAP (David Crowley) [Client, C++ | Linux/WinNT/2K/POSIX] 0.3, 2001/06/21

eSOAP (Rosimildo da Silva ) [Full, C++ | Linux/Windows/RTEMS/eCos] 0.4, 2001/05/23 SOUP (Ximian) [Full, C | Linux/Windows] 0.2, 2001/05/22 SOAP to CORBA bridge (LifeLine Networks bv) [Full?, C++ | Linux/WinNT/2K] 1.0.1, 2001/03/28 SOAP toolkit LITE (Lucin) [Full, ?] 2.3.0, 2000/09/18 SOAP for Frontier (UserLand) [Full, Frontier] ?, ? SOAP for Ada (Michael Erdmann) [Full, GNU Ada | Linux SuSe] 1.6.1, 2001/01/24 anyService (Chris Bayes) [Client, JavaScript/XSLT | Win | IE/HTA] 0.3, 2001/05/15 SOAP client for IE 5.0 (Aaron Skonnard) [Client, JavaScript | Win | IE] ?, 2000/01 SOAP client for IE 5.0 (Microsoft) [Client, JavaScript | Win | IE | HTC] 2.01, ? XML Extras with SOAP (mozilla.org) [Client, JavaScript | Win | Mozilla] ?, 2000/12/28 Dolphin Smalltalk Spray (Steve Waring) [Full, SmallTalk] 0.028, 2001/06/27 SOAP Smalltalk (Camp Smalltalk) [Client, SmallTalk] ?, 2000/10/03 SOAP4R (Nakamura Hiroshi) [Full, Ruby] 1.3.0, 2001/05/20 PHPSOAP (GigaIdeas) [Full, PHP] ?, ? SOAPx4 (Dietrich Ayala) [Full, PHP] ?, 2001/04/21 SOAP server class [registration required] (Manuel Lemos) [Server, PHP] ?, 2001/06/09 Kafka Framework (Christopher Dix) [Server, XSLT] 0.9, 2001/04/05 SOAP for Tcl (Pat Thoyts) [Client, Tcl] 1.1, 2001/02/16 Pure SOAP (Pure Software Technology) [Full, Delphi] 0.0.4, 2001/01/28 Delphi 6 (Borland) [Full, Delphi] ?, ? SOAP for BEA WebLogic [no official support] (BEA Systems) [Server?, Java? | BEA WebLogic Server] ?, ? XMLBus [registration required] (IONA Technologies) [Full, Java | iPortal AppServer, BEA WebLogic] 1.1, 2001/06/01 Business Integration Platform (Shinka Technologies) [Full, Java, Visual Basic, C++] 1.3, 2001/08/01 SoapOpera (SOAP-HTTP ORB) (Masashi Umezawa) [?, SqueakSmalltalk] 0.2, 2000/12/28 SOAP taglib (Ulrich Mayring) [Client, XSP/taglib | Cocoon?] ?, 2001/04/05 Orchard.SOAP (Ken MacLeod) [Client, Orchard] ?, ? SOAP.k (Christian Langreiter) [Client, K] ?, ?

Comments and alternative answers

Axis alpha 2 is out, with WSDL support! Author: Vijay Kumar (http://www.jguru.com/guru/viewbio.jsp?EID=264226), Oct 16, 2001 The above list says that the Apache AXIS is not relesed yet, but Axis alpha 2 is out, with WSDL support! .

i just wanted to update the list. with regardsAre there any articles that provide an introduction to Web Services? Location: http://www.jguru.com/faq/view.jsp?EID=473947 Created: Aug 10, 2001 Modified: 2001-11-24 18:51:15.77 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) IBM has an excellent article that covers the basics: Understanding Web Services Are there other FAQ's on SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=474100 Created: Aug 11, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Apache-SOAP User's FAQ DevelopMentor's SOAP FAQ Apache SOAP Frequently Asked Questions (FAQ) soaprpc.com's SOAP FAQ Userland's SOAP FAQ

Are there articles that can get me started on using Microsoft's implementation of SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=474101 Created: Aug 11, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Web Services: Building Reusable Web Components with SOAP and ASP .NET A Young Person's Guide to The Simple Object Access Protocol: SOAP Increases Interoperability Across Platforms and Languages SOAP Toolkit 2.0: New Definition Languages Expose Your COM Objects to SOAP Clients .NET Anywhere With Pocket SOAP Develop a Web Service: Up and Running with the SOAP Toolkit for Visual Studio Build Secure Web Services

Can i mix and match SOAP Servers and SOAP Clients developed using toolkits from different vendors? What are the problems/Issues? Isn't this why SOAP was developed in the first place? Location: http://www.jguru.com/faq/view.jsp?EID=474106 Created: Aug 11, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Interoperability with Other SOAP Implementations Web Services Interoperability and SOAP idoox - SOAP Interoperability test

Advancing SOAP interoperability SOAP Interopera Web Services: SOAP Interoperability SOAP for Platform-Neutral Interoperability

Am cooking up my own SOAP implementation. What steps should i take to ensure interoperability with other Toolkits? Location: http://www.jguru.com/faq/view.jsp?EID=474107 Created: Aug 11, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) A SOAP Implementer's Interoperability To-do List Pass the soapware.org validator. Set up a server that implements the methods described at xmethods.net Have it listed at: http://www.xmethods.net/ilab/ Profile your implementation: http://www.xmethods.net/soapbuilders/soapprofile.html Make sure your implementation can at least handle the subset specified by A Busy Developer's Guide to SOAP 1.1. Pass pocketsoap validator http://soap.4s4c.com/Default.asp

Is there a Chapter/Book available on-line that deals with SOAP? Location: http://www.jguru.com/faq/view.jsp?EID=474483 Created: Aug 12, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Excerpt from Chapter 12 from Java & XML, 2nd Edition , to be published in September 2001 by O'Reilly

Can i use SOAP to expose my EJB objects? Location: http://www.jguru.com/faq/view.jsp?EID=474484 Created: Aug 12, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Yes, of course. There's an article on TheServerSide.com that shows you how to do this: Integrating Apache SOAP with an EJB Server. Comments and alternative answers

That link is dead... try this Author: Kevin Baker (http://www.jguru.com/guru/viewbio.jsp?EID=882634), May 26, 2002 http://www.theserverside.com/home/thread.jsp?thread_id=2086How do i o digitally sign and encrypt my SOAP messages? Location: http://www.jguru.com/faq/view.jsp?EID=479117 Created: Aug 18, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011)

IBM's DeveloperWorks has a Tutorial on Digital signatures for SOAP messages Where can i find sample code for a simple, general purpose SOAP client in Java that uses no specialized SOAP libraries? Location: http://www.jguru.com/faq/view.jsp?EID=479118 Created: Aug 18, 2001 Modified: 2001-08-18 19:27:55.623 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Here are some pointers to sample java code that do not use any toolkits: Listing 1. The complete SOAP client Chapter 3. Writing XML with Java

Are there tools to look at the SOAP messages between my client and the server? Location: http://www.jguru.com/faq/view.jsp?EID=479122 Created: Aug 18, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) There are tools like proxyTrace that allow you to debug the SOAP messages. Do i have to use SOAP to tunnel through firewalls? Are there any alternatives? Location: http://www.jguru.com/faq/view.jsp?EID=479123 Created: Aug 18, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Tunneling through the corporate network shows you how to implement HTTP tunneling with servlets. Has Microsoft bundled support for a SOAP Client with Windows XP? Location: http://www.jguru.com/faq/view.jsp?EID=479126 Created: Aug 18, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Yes. There's an Overview of SOAP Client in Windows XP at MSDN. What is SUN doing in the area of SOAP and Web Services? Location: http://www.jguru.com/faq/view.jsp?EID=493358 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Java APIs for XML Messaging (JAXM) SOAP Messaging Using the JavaTM API for XML Messaging (JAXM) SOAP 1.1 in the JavaTM Platform: Introducing the Java API for XML based RPC (JAX-RPC) CREATING WEB SERVICES WITH JAVATM TECHNOLOGY AND XML SOAP in the JavaTM Platform

How can i debug SOAP traffic? Location: http://www.jguru.com/faq/view.jsp?EID=493360 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Apache SOAP has a TCP tunneling GUI that can be used. More information can be found at: http://www-106.ibm.com/developerworks/webservices/library/wspeer3/?dwzone=ws Comments and alternative answers

Try XMLBus' SOAPSpy! Author: Dave Sheremata (http://www.jguru.com/guru/viewbio.jsp?EID=534358), Oct 30, 2001 XMLBus works with Apache, Weblogic, and of course IONA's own iPortal Application Server (iPas 3.0). Best of all, it's free. SOAPSpy is a tool included with XMLBus, and allows you to intercept soap messages. You can find it at www.xmlbus.com, or http://www.iona.com/products/xmlbus_home.htm Hope this helps, DaveI'm just getting started with SOAP. Where can I find tutorials on SOAP programming? Location: http://www.jguru.com/faq/view.jsp?EID=493361 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Try these links: http://www.w3schools.com/SOAP/default.asp http://www.onjava.com/pub/a/ onjava/excerpt/java_xml_2_ch2/index.html http://www-106.ibm.com/developerworks/lib rary/ws-peer2/ http://www.perfectxml.com/articles/xml/hello soap.asp http://www.soapwebservices.com/articles/ what_is_soap.asp (shockwave flash presentation) http://www .javapro.com/upload/free/features/javapro/2001/04apr01/prs0104/prs0104-1.asp http://www.soaplite.com/#LINKS http://soap.manilasites.com/ http://www.xmethods.net/gettingstarted/apache. html http://support.microsoft .com/servicedesks/webcasts/wc122100/WC122100.ppt What are the namespaces that are usually used in SOAP messages? Where can i get more information about them? Location: http://www.jguru.com/faq/view.jsp?EID=493362 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) 1. xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" 2. xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" 3. xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance"

4. xmlns:xsd="http://www.w3.org/1999/XMLSchema"

More information on #1 and #2 can be found at http://www.w3.org/TR/SOAP. Information on #3 and #4 can be found at http://www.w3.org/TR/xmlschema-0/ Can i mix SOAP, SSL and digital signatures? Where can i read up about how to do it? Location: http://www.jguru.com/faq/view.jsp?EID=493363 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) IBM's DeveloperWorks has an article: http://www-106.ibm.com/developerworks/webservices/library/wssoapsec/ Are there toolkits that automatically generate service proxy code from a WSDL service description? Location: http://www.jguru.com/faq/view.jsp?EID=493364 Created: Sep 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) IBM's http://www.alphaworks.ibm.com/tech/webservicestoolkit ServiceGen and ProxyGen utilities that can create a service proxy from a WSDL service description. Does tomcat support Web Services? Location: http://www.jguru.com/faq/view.jsp?EID=531241 Created: Oct 26, 2001 Author: Alex Chaffee (http://www.jguru.com/guru/viewbio.jsp?EID=3) Question originally posed by Seo Min-koo (http://www.jguru.com/guru/viewbio.jsp?EID=446799 No, Tomcat has no built-in support for Web Services. However, since Web Services are all built on HTTP, it is possible to write your own SOAP or XML-RPC servlet. Comments and alternative answers

Does Tomcat support EJB? Pls help me, why Tomcat can't find my servlet.class Author: Nguyen Van Tuyen (http://www.jguru.com/guru/viewbio.jsp?EID=726795), Jan 19, 2002 I wonder if Tomcat support EJB or not, if I want to use EJB, what can I do? Pls help me, why Tomcat can't find my servlet.class, when i put it in /ROOT/WEB-INF/classes and in my sever.xml I added: URL:http://localhost:8080/servlet/HelloWorld. But it didn't work. Re: Does Tomcat support EJB? Pls help me, why Tomcat can't find my servlet.class Author: brian ally (http://www.jguru.com/guru/viewbio.jsp?EID=757490), Feb 13, 2002 if you want to use EJB with tomcat, you need to install with JBoss.

http://www.jboss.org Does tomcat support Web Services? Author: Wilberto Montoya (http://www.jguru.com/guru/viewbio.jsp?EID=1197125), Sep 3, 2004 Yes you can use TomCat with WebServices but need a little more work you can see the example here: http://java.sun.com/webservices/docs/1.0/tutorial/index.html You can Also use Apache AXIS (I do) is a good option: http://ws.apache.org/axis/java/index.htmlAre there tools to test SOAP-based Web Services? Location: http://www.jguru.com/faq/view.jsp?EID=531576 Created: Oct 26, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) PushToTest is a free open-source utility for testing SOAP-based Web services for scalability and performance. What are Web Services? What are the Web Services Standards? Location: http://www.jguru.com/faq/view.jsp?EID=531593 Created: Oct 26, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Web services constitute a distributed computer architecture made up of many different computers trying to communicate over the network to form one system. They consist of a set of standards that allow developers to implement distributed applications -- using radically different tools provided by many different vendors -- to create applications that use a combination of software modules called from systems in disparate departments or from other companies. Here's a list of standards and links to more information: UDDI SOAP WSDL ebXML

What is JAX Pack? What does it contain? Location: http://www.jguru.com/faq/view.jsp?EID=531594 Created: Oct 26, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) http://java.sun.com/xml/jaxpack.html is a bundle of XML technologies from SUN. It supports SAX, DOM, XSLT, SOAP, UDDI, ebXML, and WSDL into one convenient download. Is there a Developers Guide to implementing Web Services with J2EE? Location: http://www.jguru.com/faq/view.jsp?EID=531599

Created: Oct 26, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Developer's Guide to Building XML-based Web Services with the Java 2 Platform, Enterprise Edition (J2EE) Where can i find a sample SOAP client using Apache SOAP for Java? Location: http://www.jguru.com/faq/view.jsp?EID=559986 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) http://www.soapuser.com/client2.html What is UDDI? Location: http://www.jguru.com/faq/view.jsp?EID=559993 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Ariba, IBM, and Microsoft developed the first version of UDDI, the Universal Description, Discovery and Integration specification. As the name suggests, UDDI allows a business to describe the services it offers and to discover and interact with other services on the Web. UDDI is also a cross-industry open specification that is built on top of existing standards like TCP/IP, XML, HTTP, DNS, and SOAP. At the heart of UDDI is the UDDI Business Registry, an implementation of the UDDI specification. With the registry, a business can easily publish services it offers and discover what services other businesses offer. The registry is created as a group of multiple operator sites. Although each operator site is managed separately, information contained within each registry is synchronized across all nodes. Specifications can be found at:http://www.uddi.org/specification.html Comments and alternative answers

why dynamically discover a webservice? How useful is it? Author: Kavitha R (http://www.jguru.com/guru/viewbio.jsp?EID=1155716), Mar 18, 2004I understand that UDDI has some specification to discover and publish web service. Operator sites implement it and users using the UDDI api can inquire the operator sites for web services and/or publish their web service. Correct if my understanding is incorrect. Why would any user dynamiclly look for a web service? Before choosing a web service, wouldn't he like to know 1. What are all the web services of his interest? 2. Analyze each/few of the web services, like will the web service suit his requiements or is it financially feasible for him, so on

Does UDDI cater to all this? If this is what UDDI provides, does every client has to write his own code into making all these inquires? Isnt a web service search site common for all users required? Also could you quote some operator sites?

What is WSDL? Location: http://www.jguru.com/faq/view.jsp?EID=559994 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) WSDL is a language for describing the capabilities of Web services. Proposed by IBM and Microsoft, WSDL combines the best of IBMs NASSL (Network Accessible Services Language) and Microsoft SOAP Contract Language. WSDL is based on XML and is a key part of the UDDI initiative. The WSDL document specification helps improve interoperability between applications, regardless of the protocol or the encoding scheme. The WSDL 1.1 specification defines WSDL as an XML grammar for describing network services as collections of communication endpoints capable of exchanging messages. Essentially, a WSDL document describes how to invoke a service and provides information on the data being exchanged, the sequence of messages for an operation, protocol bindings, and the location of the service. A WSDL document defines services as a collection of endpoints, but separates the abstract definition from the concrete implementation. Messages and port types provide abstract definitions for the data being exchanged and the operations being performed by a service. A binding is provided to map to a concrete set of ports, usually consisting of a URL location and a SOAP binding. WSDL 1.1 Specification: http://www.w3c.org/TR/wsdl My Java based SOAP Service needs to external connections in the internet but it is behind a proxy server (on an intranet). How do I tunnel through the firewall? Location: http://www.jguru.com/faq/view.jsp?EID=559996 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Suppose your proxy server is called "proxy.foo.com" and it is on port 9999. There are a couple of ways of configuring Apache to use a proxy. One solution is to use the JVM capabilities to deal with proxies: System.getProperties().put("proxySet","true"); System.getProperties().put("proxyHost","proxy.foo.com"); System.getProperties().put("proxyPort","9999"); For socks based proxy server: System.getProperties().put("socksProxyHost","socks.foo.com"); System.getProperties().put("socksProxyPort","1080"); Another solution is to tell TOMCAT to the proxying via the variable TOMCAT_OPTS), for HTTP proxies: set TOMCAT_OPTS="-DproxyHost=proxy.foo.com -DproxyPort=9999"

For socks: set TOMCAT_OPTS="-DsocksProxyHost=socks.foo.com -DsocksProxyPort=1080" Comments and alternative answers

Property for non-proxied-hosts Author: Luigi Viggiano (http://www.jguru.com/guru/viewbio.jsp?EID=101985), Apr 2, 2002 You can also specify server that won't be proxied with JVM option-DnonProxyHosts=CommaSeperatedlistOfNonProxiedSites

at command line. See also JVM property for non Proxy Hosts. I hope this helps.. for Tomcat Series 4.x Author: grosly grosly (http://www.jguru.com/guru/viewbio.jsp?EID=906143), Jun 6, 2002 For Windows in the command line or in you Startup.bat, if you have Tomcat 4.0.2 you must change TOMCAT_OPTS for: set CATALINA_OPTS=DproxyHost=proxy.foo.com -DproxyPort=9999Is SOAP secure? Location: http://www.jguru.com/faq/view.jsp?EID=559997 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) SOAP is as secure as HTTP is...SOAP travels across HTTP and enters via port 80, as does HTTP. The only difference is that a SOAP message carries a payload of XML, whereas HTTP would normally carry a payload of HTML/Javascript etc. SOAP messages are very clear about there intent and declare this in their headers. Your firewall can read these headers and decide what to do. Your application when it receives the message should then examine the SOAP message to make sure that the headers match what is in the payload. SOAP can run over HTTPS (SSL) with no problems. Where can i get an overview of JAXM with some sample code? Location: http://www.jguru.com/faq/view.jsp?EID=559999 Created: Nov 24, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Web Services Journal has an article: JAXM: Interoperable SOAP Communications for the Java Platform. How to send attachment using soap? Where can I find article or example on how to send attachment using soap? Location: http://www.jguru.com/faq/view.jsp?EID=578090 Created: Dec 9, 2001 Author: Filip Defoort (http://www.jguru.com/guru/viewbio.jsp?EID=550566) Question originally posed by CY See (http://www.jguru.com/guru/viewbio.jsp?EID=529734 Check out the apache SOAP libs. (http://xml.apache.org/soap). It contains an example in samples/mime/MimeTest*.

Enjoy, - Filip Comments and alternative answers

Article in XML Journal, Vol 3 issue 1 Author: Joseph Shelby (http://www.jguru.com/guru/viewbio.jsp?EID=26292), Feb 21, 2002 There's an article from Ian Moraes in a recent XML Journal issue that demos using Apache SOAP + Attachments. It requires having the JavaMail and JAF apis in your CLASSPATH because of its use of Mime/type encoding. And how can I use C++ to develop such Soap+Attachment? Author: Henry Lu (http://www.jguru.com/guru/viewbio.jsp?EID=825891), Apr 4, 2002 At the server side,I use apache soap. And at the client side,I use Visual C++. I wanna send a binary file from client to server. Once I used MS Soap toolkits,because of the imcompatibility between MS and Apache,finally I failed. And Could anybody tell me how to do it? Thank you very much! Apache sample MimeTest Author: Dick Whitehurst (http://www.jguru.com/guru/viewbio.jsp?EID=961085), Jul 23, 2002 The capability I am interested in says it is not implemented. In particular I'd like to see the listAttachments implementation. Does anyone have an example of SOAP *rpc* style using attachments?ebXML Messaging Service Implementation does anybody Implemented ebXML Messaging Service? I am trying the implementation of ebXML Messaging. do any body implementated the ebXML MS?, let me know, and if somebody can direct me to few examples it will be very useful to me. regards Location: http://www.jguru.com/faq/view.jsp?EID=578091 Created: Dec 9, 2001 Author: Ronald van Kuijk (http://www.jguru.com/guru/viewbio.jsp?EID=339049) Question originally posed by Vijay Kumar PREMIUM (http://www.jguru.com/guru/viewbio.jsp?EID=264226 http://www.openebxml.org (code seems to be on sourceforge). Comments and alternative answers

the link what u have provided, doesnot conatain any implementation yet. Author: Vijay Kumar (http://www.jguru.com/guru/viewbio.jsp?EID=264226), Dec 10, 2001

Thanks Mr.Ronald The link what u have provided, doesnot conatain any implementation yet, so it is of no use to me. and also the JavaTM XML Pack contains some examples but i think it doesnot fully comply with ebXML specification (ebXML MS 1.0) any comments please Re: the link what u have provided, doesnot conatain any implementation yet. Author: Ronald van Kuijk (http://www.jguru.com/guru/viewbio.jsp?EID=339049), Dec 10, 2001 http://sourceforge.net/projects/openebxml contains source... look in CVS overthere as well. R.Is there a white paper that provides an overview of the web services APIs currently available or soon to be available from SUN? Location: http://www.jguru.com/faq/view.jsp?EID=578093 Created: Dec 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) http://java.sun.com/xml/webservices.pdf What is JAX-RPC? What is JAXM? What is the difference between the two? Location: http://www.jguru.com/faq/view.jsp?EID=578095 Created: Dec 9, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011)

JAX/RPCTo aid developers in building XML-based requests such as SOAP requests, The JCP is developing the Java APIs for XML based RPC (JAX/RPC). JAX/RPC is used for sending and receiving (including marshalling and unmarshalling) method calls using XMLbased protocols such as SOAP, or others such as XMLP (XML Protocol. For more information, see http://www.w3.org/2000/xp/). JAX/RPC isolates you from the specifics of these protocols, enabling rapid application development. There is no longer any need for developers to interact directly with the XML representation of the call.

JAXMWhen receiving a web service request from say a business partner, we need a Java API to process XML messages, in a similar way to how we processed SOAP requests using JAX/RPC. The Java API for XML Messaging (JAXM) is a forthcoming specification for interacting with XML messaging standards such as ebXML messaging and SOAP messaging. This API is designed to facilitate the processing of XML message protocols, particularly those where a predetermined contract exists (ebXML in particular) to determine the format and constraints of the message. This API will handle all the envelope information, such as routing information and the cargo manifest, in an intuitive way separate from the actual payload of the message. This allows developers to focus on interacting with the payload and not worry about the other message administrivia.

Difference

The difference between JAXM and JAX/RPC is analogous to the difference between message-oriented middleware (MOM) and remote procedure calls (RPCs). JAXM is geared toward message-oriented middleware-type applications, while JAX/RPC is designed specifically for RPC behavior. More information can be found at: Developer's Guide to Building XML-based Web Services. How can i find SOAP Services that other people/companies have exposed? Location: http://www.jguru.com/faq/view.jsp?EID=585938 Created: Dec 15, 2001 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) There are two competing standards for SOAP Registry: UDDI ebXML

A detailed article on UDDI, WSDL can be found at: http://www-106.ibm.com/developerworks/webservices/library/wswsdl3/?dwzone=webservices Can i use JAXM to run a UDDI Query against say IBM's UDDI Registry? Location: http://www.jguru.com/faq/view.jsp?EID=727494 Created: Jan 20, 2002 Modified: 2002-01-21 07:36:05.774 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Here's a stand-alone JAXM Client that can connect to IBM's UDDI Registry found at https://www-3.ibm.com/services/uddi/protect/registry.html. import javax.xml.soap.*; import javax.xml.messaging.*; import java.util.*; import java.io.*; public class UddiPing { public static void main(String[] args) { try { if (args.length != 1) { System.err.println("Usage: UddiPing business-name"); System.exit(1); } // Create the connection and the message factory. SOAPConnectionFactory scf = SOAPConnectionFactory.newInstance(); SOAPConnection connection = scf.createConnection(); MessageFactory msgFactory = MessageFactory.newInstance(); // Create a message SOAPMessage msg = msgFactory.createMessage(); // Create an envelope in the message SOAPEnvelope envelope = msg.getSOAPPart().getEnvelope();

// Get hold of the the body SOAPBody body = envelope.getBody(); body.addChildElement(envelope.createName("find_business", "", "urn:uddi-org:api")) .addAttribute(envelope.createName("generic"), "1.0") .addAttribute(envelope.createName("maxRows"), "100") .addChildElement("name").addTextNode(args[0]); URLEndpoint endpoint = new URLEndpoint("http://www3.ibm.com/services/uddi/testregistry/inquiryapi"); msg.saveChanges(); SOAPMessage reply = connection.call(msg, endpoint); System.out.println("Received reply from: "+endpoint); reply.writeTo(System.out); connection.close(); } catch (Exception ex) { ex.printStackTrace(); } } } Can i have a sample JAXM Client that connects to say a Stock Quote Service from XMethods.net? Location: http://www.jguru.com/faq/view.jsp?EID=727495 Created: Jan 20, 2002 Author: Davanum Srinivas (http://www.jguru.com/guru/viewbio.jsp?EID=2011) Here's a sample JAXM Client that connects to "Delayed Stock Quote" Service from http://www.xmethods.net/. JAXM is part of the Winter JAX Pack that can be downloaded from http://java.sun.com/xml/downloads/javaxmlpack.html. import javax.xml.soap.*; import javax.xml.messaging.*; import java.io.*; import java.util.*; public class Request { public static void main(String[] args){ try { SOAPConnectionFactory scFactory = SOAPConnectionFactory.newInstance(); SOAPConnection con = scFactory.createConnection(); MessageFactory factory = MessageFactory.newInstance(); SOAPMessage message = factory.createMessage(); SOAPPart soapPart = message.getSOAPPart(); SOAPEnvelope envelope = soapPart.getEnvelope(); SOAPHeader header = envelope.getHeader(); SOAPBody body = envelope.getBody();

header.detachNode(); Name bodyName = envelope.createName("getQuote", "n", "urn:xmethods-delayed-quotes"); SOAPBodyElement gltp = body.addBodyElement(bodyName); Name name = envelope.createName("symbol"); SOAPElement symbol = gltp.addChildElement(name); if(args.length