Post Subject : Tutorial on J2EE using JBOSS-4.x, Eclipse-3.x, Lomboz-3.x and
PostgreSQL-8.x on Windows XP
Ref. 1 : Tutorial for building J2EE Applications using JBOSS and ECLIPSE
http://www.tusc.com.au/tutorial/html/chap9.html (Chapter 9 : Web
Services (2/2))
Ref. 2 : Tutorial on J2EE using JBOSS, ECLIPSE and Lomboz (Forum on Ref. 1)
http://www.jboss.org/index.html?module=bb&op=viewtopic&t=36910
=== Environment in use ;
- Windows XP SP2
- J2SDK 1.4.2_08
- Eclipse 3.0.2
- JBoss 4.0.2
- Lomboz 3.0.1 + emf-sdo-runtime-2.0.0
- PostgreSQL 8.0.3 (= DefaultDS)
- AXIS 1.2.1
Followings are some notes on Chapter 9 (Web Services (2/2)) in Ref. 1
* Task numbers are as below.
Task 1 : Installing AXIS
Task 2 : Configuring AXIS with JBoss
Task 3 : Create a Web Service named "MyStoreLoginService"
Task 4 : Deploy the Web Service
Task 5 : Create a Web Service Test Client named "TestClient"
Task 6 : Test the TestClient
Task 7 : Create a Web Client (Servlet named "Login")
Task 8 : Test the Web Client
Task 9 : Create a .NET Client named "DOTNETCLIENT" (using C#.Net)
Task 10 : Test the .NET Client
Task 11 : Create a Perl Client
Task 12 : Test the Perl Client
* The notes below cover the Task 7 - 10 only.
* No change has been made to the server definition file
(jboss402postgres.server) thus far.
Task 7 : Create a Web Client (a Servlet named "Login")
(as per the steps in Ref. 1)
Note : switch "import" sections based on a selected "callWebService()" method,
e.g.
:import org.apache.axis.client.Call;
| /*
| // === activate for the 1st "callWebService()" methodimport java.net.URL;*/
|
| // === activate for the 2nd "callWebService()" methodimport
javax.xml.namespace.QName;
| import org.apache.axis.client.Service;
| public class Login extends HttpServlet {
| :
| :
| /*
| // === the 1st "callWebService()" method
| private String callWebService() throws Exception {
|
| // URL is used for creating the call, which uses the WSDL.
| Call call = new Call( new
URL("http://localhost:8080/axis/services/MyStoreLoginService?wsdl";) );
|
| // Calls the object, passing in the username and passwd. The return value
is stored as an object.
| String username = (String) call.invoke ("loginUser", new Object[] { new
String("ANDY") , new String("PASSWD") } );
| return username;
| }
| */
|
| // === the 2nd "callWebService()" method
| private String callWebService() throws Exception {
|
| // Endpoint is used for making the call
| String endpoint =
"http://localhost:8080/axis/services/MyStoreLoginService";;
|
| // The Service object is the starting point for accessing the web
service.
| Service service = new Service();
|
| // The call object is used to actually invoke the web service.
| Call call = (Call)service.createCall();
|
| // Sets the call objects endpoint address
| call.setTargetEndpointAddress(endpoint);
|
| // Sets the operation name associated with this Call object.
| call.setOperationName(new QName("loginUser"));
|
| // Calls the object, passing in the username and passwd. The return
value is stored as an object.
| Object returnValue = call.invoke(new Object[] { new String("ANDY") , new
String("PASSWD") });
| return (String) returnValue;
|
| }
| }
- start JBoss and deploy the web module ("Lomboz J2EE View" tag, "OnlineStore"
(right click) and "deploy").
Task 8 : Test the Web Client
- go to "http://localhost:8080/OnlineStore/login"; for test.
= an error might occur as below;
:
| 00:16:57,625 INFO [STDOUT] Entering Login.init()
| 00:16:57,625 INFO [STDOUT] Leaving Login.init()
| 00:16:57,640 INFO [STDOUT] Entering Login.processRequest()
| 00:16:57,640 ERROR [[login]] Servlet.service() for servlet login threw
exceptionjava.lang.NoClassDefFoundError: org/apache/axis/client/Service at
au.com.tusc.WebService.Login.callWebService(Login.java:107)
| at au.com.tusc.WebService.Login.processRequest(Login.java:77)
| :
= if error, undeploy "OnlineStore" or delete "OnlineStore.war" file from
"/server/postgres/deploy" folder.
= then, copy and paste all files under "C:\axis\axis-1_2_1\lib" to
"MyStorePgSQL/OnlineStore(WEB)/WEB-INF/lib" in Eclipse Package Explorer.
axis.jar
| axis-ant.jar
| commons-discovery-0.2.jar
| commons-logging-1.0.4.jar
| jaxrpc.jar
| log4j-1.2.8.jar
| log4j.properties
| saaj.jar
| wsdl4j-1.5.1.jar
= re-deploy and go to the URL.
Task 9 : Create a .NET Client named "DOTNETCLIENT"
- a platform used is C#.Net instead of VB.Net in Ref. 1.
- "add following URL of the Web Service" (as a test)
http://localhost:8080/axis/services/MyStoreLoginService?wsdl
- "btnGetID_Click()" is;
:
| private void btnGetID_Click(object sender, System.EventArgs e)
| {
| // string strResult;
| localhost.StoreAccessService objWebRef = new
localhost.StoreAccessService();
|
| // Call loginuser function and display the result ID to the
lblOutput control
| lblOutput.Text = objWebRef.loginUser(TextBoxName.Text,
TextBoxPassword.Text);
| }
| :
Task 10 : Test the .NET Client
(as per the steps in Ref. 1)
jbosszone
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