mvPrasad Regula

For the following code Equal is printed
if("String".trim() == "String".trim()) System.out.println("Equal"); else System.out.println("Not Equal");


For the following code not equal is printed
if(" String ".trim() == "String".trim()) System.out.println("Equal"); else System.out.println("Not Equal");

Why is the following code returning zero? If I call giveMeJ() directly in System.out.println, I am getting 10.
public class Main{ private int i = giveMeJ(); private int j = 10; private int giveMeJ() { return j; } public static void main(String args[]) { System.out.println((new Main()).i); } }

Why is the code below printing String version, as both String and Object accept null value.
public void method(Object o) { System.out.println("Object Verion"); } public void method(String s) { System.out.println("String Version"); } public static void main(String[] args) { Main question = new Main(); question.method(null); }

How does line #3 short[]b = new short[4][4]; work out for you. It should give an error as left of assignment operator is one dimensional array and the right hand side of the assignment operator is 2 dimensional array.

I tried to generate the stub code using Axis2 and pasted it in netbeans. It is displaying errors. Here are the list of errors
1) addAnonymousOperations() --> Cannot find symbol

2) _operationClient.setCallback(new org.apache.axis2.client.async.AxisCallback() {
--> method setcallback cannot be applied to class org.apache.axis2.client.OperationClient cannot be applied to given types.

3) org.apache.axiom.om.OMDataSource dataSource =
new org.apache.axis2.databinding.ADBDataSource(this,MY_QNAME){
--> EchoResponse is not abstract and does not override serialize method in ADBDataSource.

4) public javax.xml.stream.XMLStreamReader getPullParser(javax.xml.namespace.QName qName) --> getPullParser in EchoStub.EchoResponse cannot implement getPullParser

I tried to generate the stub code using Axis2 and pasted it in netbeans. It is displaying errors. Here are the list of errors
1) addAnonymousOperations() --> Cannot find symbol

2) _operationClient.setCallback(new org.apache.axis2.client.async.AxisCallback() {
--> method setcallback cannot be applied to class org.apache.axis2.client.OperationClient cannot be applied to given types.

3) org.apache.axiom.om.OMDataSource dataSource =
new org.apache.axis2.databinding.ADBDataSource(this,MY_QNAME){
--> EchoResponse is not abstract and does not override serialize method in ADBDataSource.

4) public javax.xml.stream.XMLStreamReader getPullParser(javax.xml.namespace.QName qName) --> getPullParser in EchoStub.EchoResponse cannot implement getPullParser

I wrote a service and deployed it in axis2.war. I later wrote the client code. As I am running the client code it showing the SOAP request as null and by default SOAP response object is also turning to be null. The only reason I could think of is the service class is in a different package so, I was doubting if I need to give the package name in the path as below:
"http://localhost:8080/axis2/services/MyService"
As it is in the server package I tried
"http://localhost:8080/axis2/services/server/MyService" --> Still no positive result
package axis2echoproject; import javax.xml.soap.*; import javax.xml.transform.*; import java.io.FileInputStream; import javax.xml.transform.stream.*; import org.w3c.dom.*; public class Main { public static void main(String[] args) { try { MessageFactory messagefactory = MessageFactory.newInstance(); SOAPMessage message = messagefactory.createMessage(); //Create Objects for message part SOAPPart soapPart = message.getSOAPPart(); SOAPEnvelope soapEnvelope = soapPart.getEnvelope(); SOAPBody soapBody = soapEnvelope.getBody(); SOAPElement bodyElement=soapBody.addChildElement(soapEnvelope.createName("hello", "req", "http://localhost:8080/axis2/services/MyService")); //bodyElement.addChildElement("Category").addTextNode("Classified"); message.saveChanges(); SOAPPart soapPartBefore = message.getSOAPPart(); SOAPEnvelope reqEnv = soapPartBefore.getEnvelope(); System.out.println("REQUEST>>>>"); System.out.println(reqEnv.toString()); //Now Create the Connection SOAPConnectionFactory soapConnFactory = SOAPConnectionFactory.newInstance(); SOAPConnection connection = soapConnFactory.createConnection(); SOAPMessage reply = connection.call(message, "http://localhost:8080/axis2/services/MyService"); SOAPPart soapPart2 = reply.getSOAPPart(); SOAPEnvelope replyEnvelope = soapPart2.getEnvelope(); System.out.println("RESPONSE>>>>"); System.out.println(replyEnvelope.toString()); connection.close(); } catch(Exception e) { e.printStackTrace(); } } } //********************************************************** //**********The service code******************************** /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package server; /** * * @author Owner */ public class MyService { /** Sample method */ public String hello(String name) { return "Hello "+name; } }

The output I am getting is
run: REQUEST>>>> [SOAP-ENV:Envelope: null] RESPONSE>>>> [soapenv:Envelope: null]

I am using netbeans 6.8. If want to create a project of type Axis2 services from java, which was existing earlier. I am not finding it now. Can anyone guide me.

If not available how should I develop an axis2 to develop a service. I am using netbeans and glassfish. I need to develop an echo.aar and merge it with the axis2.war file. to write the java code for the service I need to develop project of type axis2. If not required please help me how to do. I am following the url below
http://netbeans.org/kb/61/websvc/gs-axis.html#deploy_axis

My servlet xml file is as below
<bean id="echo" class="org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition"> <property name="builder"> <bean class="org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder"> //Error at this line <property name="schema" value="/WEB-INF/echo.xsd"/> <property name="portTypeName" value="Echo"/> <property name="locationUri" value="http://localhost:8080/echoservice/"/> </bean> </property> </bean>

While I was trying to generate it is throwing an exception. I am pasting the exception below
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'echo' defined in ServletContext resource [/WEB-INF/spring-ws-servlet.xml]: Cannot create inner bean 'org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder#1498436' of type [org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder] while setting bean property 'builder'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder#1498436' defined in ServletContext resource [/WEB-INF/spring-ws-servlet.xml]: Invocation of init method failed; nested exception is org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.

I tried attaching diffferent jars, but no use. Could anyone help me out of this as this is holding my advancement

My xsd has been placed in WEB-INF

Just rectifying the above scentence

Everywhere it is mentioned that it should be same namespace mentioned in xsd.

I am new to spring-ws. The following are the steps I know to do a wen services in spring
Part A
=====
1. Write an XSD --> Done
2. Write an interface --> Done
3. Write an implementation --> Done

Part B(Spring-WS stuff)
================
4. Write the web.xml --> Done
5. Write the SPring bean configuration XML file -->>>>FAILED. The problem I am facing here is as below.
<bean class="org.springframework.ws.server.endpoint.mapping.PayloadRootQNameEndpointMapping"> <property name="mappings"> <props> <prop key="{http://www.averconsulting.com/echo/schemas}EchoRequest" //--> I am getting error at this line >echoEndpoint</prop> </props> </property> <property name="interceptors"> <bean class="org.springframework.ws.server.endpoint.interceptor.PayloadLoggingInterceptor" /> </property> </bean>

I am getting error at the following line of key for the property is set

<props>
<prop key="{http://www.averconsulting.com/echo/schemas}EchoRequest" //--> I am getting //error at this line
>echoEndpoint</prop>
</props>

Which ever site I visit they are saying that it should be same as the namespace. For a sample echo example which is existing on the net I can give this namespace mentioned by them. How about if I have a totally different schema for a different project. I am using Netbeans and Glassfish as server.

I tried session earlier. If I type session, I am getting error there.
I will paste my code below could you please make the changes. I will be thankful to you.
1. jspone
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <jsp:useBean id="person" class="com.addrbook.pojo.Person" scope="session" /> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Address</title> <meta http-equiv="generator" content="CoffeeCup HTML Editor (www.coffeecup.com)" /> <meta name="created" content="Thu, 28 Jan 2010 01:39:32 GMT" /> <meta name="description" content="" /> <meta name="keywords" content="" /> <script type="text/javascript" > function checkNames() { var fname = document.getElementById("fName"); var lname = document.getElementById("lName"); if(fName==null || lname==null) alert("enter the value of First Name and Last Name"); document.getElementById("lName").focus(); } </script> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> <form action="http://localhost:8084/JSPAddBook/person" method="get"> <label>First Name</label>   <input type="text" id="fName" name="fName"/><br/> <label>Last Name</label>    <input id="lName" type="text" id="lName" name="lName" onblur="checkNames()"/><br/> <label>Age</label>              <input type="text" id="age" name="age"/><br/> <label>Gender</label>        <input type="text" id="gender" name="gender"/><br/> <label>HNo</label>           <input type="text" id="hno" name="hno"/><br/> <label>Street</label>          <input type="text" id="street" name="street"/><br/> <label>City</label>             <input type="text" id="city" name="city"/><br/> <label>State</label>            <input type="text" id="state" name="state"/><br/> <label>Zip Code</label>           <input type="text" id="zip" name="zip"/><br/> <input type="Submit" name="submit" value="Submit"/><input type="Button" id="search" name="search" value="Search" onclick=""/><br/> <input type="Button" name="save" value="Save Data" onclick=""/><input type="Button" name="bankDetails" value="Bank Details"/> </form>

2. JSPTwo
<jsp:useBean id="person" class="com.addrbook.pojo.Person" scope="request" /> <jsp:useBean id="accounts" class="com.addrbook.pojo.Accounts" scope="session" /> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> <form action="http://localhost:8084/JSPAddBook/bal" method="post"> <% accounts.setPerson(person); System.out.println("PERSON VALUE in JSP IS "+person); System.out.println("PERSON First Name in JSP IS "+person.getFname()); %> <label>Account Number</label> <input id="accountNumber" name="accountNumber"/><br/> <label>Account Type</label>      <input id="accountType" name="accountType"/><br/> <label>First Name</label>            <input id="fname" name="fname" value=""/>--><br/> <label>Last Name</label>            <input id="lname" name="lname"/><br/> <label>Withdraw</label>              <input id="withdraw" name="withdraw"/><br/> <label>Balance</label>                 <input id="balance" name="balance"/><br/> <input type="Submit" name="submit" value="Submit"/> </form> </body> </html>

3. ServletOne

package com.addrbook.serv; import com.addrbook.pojo.Address; import com.addrbook.pojo.Person; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * @author Owner */ public class PersonServ extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); String url=null; System.out.println("Inside Process Request"); try { System.out.println("inside try"); Address address = new Address(); Person person = new Person(); Person person2 = new Person(); address=generateAddress(request); person = generatePerson(address, request); String temp=person.getFname(); System.out.println("Value of first name from bean is "+temp); //if(person.getFname() != null && person.getLname() != null) if(temp.equalsIgnoreCase("prasad")) { System.out.println("Inside if statement"); url="accounts.jsp"; System.out.println("URL= "+url); request.setAttribute("person", person); //Setting person to Request person2=(Person)request.getAttribute("person"); System.out.println("The FIRST NAME FROM PERSON#2 "+person2.getFname()); } else { url="/error.jsp"; } RequestDispatcher dispatcher = request.getRequestDispatcher(url); dispatcher.forward(request, response); } finally { out.close(); } } public Address generateAddress(HttpServletRequest request) { Address address = new Address(); String temp=request.getParameter("hno"); System.out.println("House number is "+temp); int hno=Integer.parseInt(temp); address.setHno(hno); address.setStreet(request.getParameter("street").toString()); address.setCity(request.getParameter("city").toString()); address.setState(request.getParameter("state").toString()); address.setZipcode(request.getParameter("zip").toString()); return address; } public Person generatePerson(Address address, HttpServletRequest request) { Person person = new Person(); person.setAddress(address); person.setFname(request.getParameter("fName").toString()); person.setLname(request.getParameter("lName").toString()); person.setAge(request.getParameter("age").toString()); person.setGender(request.getParameter("gender").toString()); return person; } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }

4. ServletTwo
package com.addrbook.serv; import com.addrbook.pojo.Accounts; import com.addrbook.pojo.Person; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; //import /** * * @author Owner */ public class PersonBalanceServ extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); Accounts accounts = new Accounts(); Person person;// = new Person(); accounts = (Accounts)request.getAttribute("accounts"); person = (Person)request.getAttribute("person"); System.out.println("Entered ACCOUNT PROCESS"); System.out.println("Persons OBJECT IS "+person); System.out.println("Accounts OBJECT IS "+accounts); accounts.setPerson(person); //System.out.println("Accounts OBJECT is "+accounts); System.out.println("Persons NAME FROM ACCOUNTS OBJECT is "+accounts.getPerson().getFname()); //System.out.println("PERSON is "+accounts.getPerson().getFname()); try { accounts=generateAccounts(request, person); System.out.println("Account Number is "+accounts.getAccNum()); System.out.println("Account Type is "+accounts.getAccType()); System.out.println("Account First Name is "+accounts.getFname()); } finally { out.close(); } } public Accounts generateAccounts(HttpServletRequest request, Person person) { Accounts accounts = new Accounts(); //Person person = new Person(); //person = (Person)request.getAttribute("person"); if(person != null) { accounts.setFname(person.getFname()); accounts.setLname(person.getLname()); accounts.setPerson(person); } else { System.out.println("ACCOUNTS OBJECT IS NULL"); accounts.setFname(null); accounts.setLname(null); accounts.setPerson(null); } accounts.setAccNum(Long.parseLong(request.getAttribute("accountNumber").toString())); accounts.setAccType(request.getAttribute("accountType").toString()); accounts.setBalance(Double.parseDouble(request.getAttribute("balance").toString())); accounts.setWithdrawn_amt(Double.parseDouble(request.getAttribute("withdraw").toString())); return accounts; } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }

I have an issue:
I jave two jsp's jspone and jsptwo and two servlets Servone and Servtwo.
Steps I am supposed to do:
1. Enter data in jspone
2. Click on Submit to ServletOne(using <Form> tag)
3. Collect the values in servlet one and set the values to ValueObjectOne.
4. Set CaluObjectOne to request object.
5. Using RequestDispatcher(request.getRequestDispatcher()) forward to jsptwo.
6. Declare <%@Usebean ...%> in jsptwo
7. Enter the values in jsptwo and submit the form
8. Use ServletTwo and collect ValueObjectOne and ValueObjectTwo(Generated from jsptwo) --> //Here I am failing. I am getting both the
//valueObjects as null