jsf-h:datatable

From: <glassfish_at_javadesktop.org>
Date: Thu, 08 Mar 2007 17:49:04 PST

I am using tomcat 6.0.10 for learning jsf1.2 
i have a managed beans & DAO like 
package htc.faces; 

import java.sql.DriverManager; 
import java.sql.PreparedStatement; 
import java.sql.Connection; 
import java.sql.ResultSet; 
import java.sql.ResultSetMetaData; 
import java.sql.Statement; 

import javax.naming.InitialContext; 
import javax.sql.DataSource; 

import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.Map; 

public class FHCMemberDAO implements java.io.Serializable 
{
 PreparedStatement pstmt; 
 Connection con; 
 ResultSet rs; 
 ResultSetMetaData rsmd; 
 DataSource ds = null; 
 Statement stmt; 

 public FHCMemberDAO() 
 {
 } 

 public ArrayList<FHCMemberVO> getMembers()
 throws Exception 
 {
 ArrayList<FHCMemberVO> members =
 new ArrayList<FHCMemberVO>(); 
 FHCMemberVO member1 = null; 

 try
 {
 InitialContext ctx = new InitialContext(); 
 ds = (DataSource)ctx.lookup("java:comp/env/jdbc/myOraSource"); 

 con = ds.getConnection(); 
 stmt = con.createStatement(); 
 rs = stmt.executeQuery("select * from fhcmembers"); 
 while(rs.next())
 { 
 member1 = new FHCMemberVO(); 
 member1.setSecurityNumber(rs.getString(1)); 
 member1.setName(rs.getString(2)); 
 member1.setOccupation(rs.getString(3)); 
 member1.setTotIncome(rs.getDouble(4)); 
 member1.setAddress(rs.getString(5)); 
 member1.setCardId(rs.getString(6)); 
 members.add(member1); 
 } 
 }
 catch(Exception e)
 {
 throw e;
 } 
 finally
 {
 if (con != null)
 {
 con.close();
 } 
 } 
 System.out.println(members); 
 return members;
 }
} 

package htc.faces; 

import java.util.ArrayList; 
import java.util.concurrent.*; 

public class FHCMemberManip implements
 java.io.Serializable
{ 
 private FHCMemberVO member; 
 private HospitalLocVO location; 
 FHCMemberDAO fhcDAO; 
 ArrayList<FHCMemberVO> members; 


 public FHCMemberManip() 
 {
 super(); 
 member = new FHCMemberVO(); 
 fhcDAO = new FHCMemberDAO(); 
 members = new ArrayList<FHCMemberVO>(); 
 } 

 public ArrayList<FHCMemberVO> getMembers() 
 {
 return members; 
 } 

 public void setMembers(ArrayList<FHCMemberVO> mmrs)
 { 
 members = mmrs; 
 } 


 public FHCMemberVO getMember()
 {
 return member; 
 } 

 public void setMember(FHCMemberVO fhc)
 { 
 this.member = fhc; 
 } 

 public HospitalLocVO getLocation()
 { 
 return location; 
 } 

 public void setLocation(HospitalLocVO hlv)
 { 
 this.location = hlv; 
 } 

 public String addMember()
 { 
 return "success"; 
 } 

 public String reset()
 { 
 this.member.setSecurityNumber(""); 
 this.member.setAddress(""); 
 this.member.setCardId(""); 
 this.member.setName(""); 
 this.member.setTotIncome(0.0); 
 this.member.setOccupation(""); 
 this.location.setArea(""); 
 this.location.setCity(""); 
 this.location.setState(""); 
 return "success"; 
 } 

 public String getAllMembers()
 { 
 try
 { 
 ArrayList<FHCMemberVO> members =
 fhcDAO.getMembers(); 
 setMembers(members); 
 } 
 catch(Exception e)
 {
 e.printStackTrace();
 } 
 return "success"; 
 } 
} 
package htc.faces; 

public class FHCMemberVO implements java.io.Serializable
{ 
 private String securityNumber; 
 private String name; 
 private String occupation; 
 private String address; 
 private String cardId; 
 private double totIncome; 
 private String location; 

 public FHCMemberVO()
 { 

 } 

 public FHCMemberVO(String securityNumber, 
 String name,
 String occupation,
 double totIncome)
 { 
 this.securityNumber = securityNumber; 
 this.name = name; 
 this.occupation = occupation; 
 this.totIncome = totIncome; 
 } 

 public String getAddress()
 { 
 return this.address; 
 } 

 public void setAddress(String address)
 { 
 this.address = address; 
 } 

 public String getLocation()
 { 
 return this.location; 
 } 

 public void setLocation(String newLocation)
 { 
 this.location = newLocation; 
 } 

 public String getCardId()
 { 
 return this.cardId; 
 } 

 public void setCardId(String cardId)
 { 
 this.cardId = cardId; 
 } 

 public String getName()
 { 
 return this.name; 
 } 

 public void setName(String name)
 { 
 this.name = name; 
 } 

 public String getOccupation()
 { 
 return this.occupation; 
 } 

 public void setOccupation(String occupation)
 { 
 this.occupation = occupation; 
 } 

 public String getSecurityNumber()
 { 
 return this.securityNumber; 
 } 

 public void setSecurityNumber(String securityNumber)
 { 
 this.securityNumber = securityNumber; 
 } 

 public double getTotIncome()
 { 
 return this.totIncome; 
 } 

 public void setTotIncome(double totIncome)
 { 
 this.totIncome = totIncome; 
 } 

 public String toString()
 { 
 StringBuffer sb = new StringBuffer(); 
 sb.append("Member SSN:"+this.securityNumber+" "); 
 sb.append(" Name:"+this.name+" "); 
 sb.append(" Profession:"+this.occupation+" "); 
 sb.append(" Annual Income:"+this.totIncome+" "); 
 if(address !=null )
 { 
 sb.append(" address:"+this.address+" "); 
 } 
 if(cardId != null )
 { 
 sb.append(" Card Id:"+this.cardId+" "); 
 } 
 return sb.toString(); 
 } 

} 
package htc.faces; 

public class HospitalLocVO implements java.io.Serializable
{ 

 private String state = ""; 
 private String city = ""; 
 private String area = ""; 

 public HospitalLocVO(String state, String city, String area)
 { 
 this.state = state; 
 this.city = city; 
 this.area = area; 
 } 

 public HospitalLocVO()
 { 
 super(); 
 } 

 public String getArea()
 { 
 return this.area; 
 } 

 public void setArea(String area)
 { 
 this.area = area; 
 } 

 public String getCity()
 { 
 return this.city; 
 } 

 public void setCity(String city)
 { 
 this.city = city; 
 } 

 public String getState()
 { 
 return this.state; 
 } 

 public void setState(String state)
 { 
 this.state = state; 
 } 

 public String toString()
 { 
 if(state.length()>0) 
 { 
 return this.state+"-"+this.city+"-"+this.area; 
 } 
 return ""; 
 } 

} 

faces-config like 
<?xml version="1.0"?> 
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd" version="1.2"> 
<application> 
 <message-bundle>messages</message-bundle> 
 <locale-config>
 <default-locale>en</default-locale>
 </locale-config> 
</application> 

<converter> 
 <converter-id>locChanger</converter-id> 
 <converter-class>htc.faces.LocationConverter</converter-class> 
</converter> 

<managed-bean> 
<managed-bean-name>fhcMemberVar</managed-bean-name> 
<managed-bean-class>htc.faces.FHCMemberVO</managed-bean-class> 
<managed-bean-scope>session</managed-bean-scope> 
</managed-bean> 

<managed-bean> 
<managed-bean-name>hospitalLocVar</managed-bean-name> 
<managed-bean-class>htc.faces.HospitalLocVO</managed-bean-class> 
<managed-bean-scope>session</managed-bean-scope> 
</managed-bean> 

<managed-bean> 
<managed-bean-name>membersVar</managed-bean-name> 
<managed-bean-class>java.util.ArrayList</managed-bean-class> 
<managed-bean-scope>session</managed-bean-scope> 
</managed-bean> 

<managed-bean> 
 <managed-bean-name>memberManip</managed-bean-name> 
 <managed-bean-class>htc.faces.FHCMemberManip</managed-bean-class> 
 <managed-bean-scope>session</managed-bean-scope> 
 <managed-property> 
 <property-name>member</property-name> 
 <value-class>htc.faces.FHCMemberVO</value-class> 
 <value>#{fhcMemberVar}</value> 
 </managed-property> 
 <managed-property> 
 <property-name>location</property-name> 
 <value-class>htc.faces.HospitalLocVO</value-class> 
 <value>#{hospitalLocVar}</value> 
 </managed-property> 
 <managed-property> 
 <property-name>members</property-name> 
 <value-class>java.util.ArrayList</value-class> 
 <value>#{membersVar}</value> 
 </managed-property> 

</managed-bean> 

<navigation-rule> 

<from-view-id>/enroll.jsp</from-view-id> 
 <navigation-case> 
 <from-action>#{memberManip.addMember}</from-action> 
 <from-outcome>success</from-outcome> 
 <to-view-id>/result.jsp</to-view-id> 
</navigation-case> 
 <navigation-case> 
 <from-action>#{memberManip.reset}</from-action> 
 <from-outcome>success</from-outcome> 
 <to-view-id>/enroll.jsp</to-view-id> 
</navigation-case> 
<navigation-case> 
 <from-action>#{memberManip.getAllMembers}</from-action> 
 <from-outcome>success</from-outcome> 
 <to-view-id>/allMembers.jsp</to-view-id> 
</navigation-case> 

</navigation-rule> 

<navigation-rule> 
<from-view-id>/result.jsp</from-view-id> 
 <navigation-case> 
 <from-action>#{memberManip.getAllMembers}</from-action> 
 <from-outcome>success</from-outcome> 
 <to-view-id>/allMembers.jsp</to-view-id> 
</navigation-case> 
</navigation-rule> 

<validator> 
 <validator-id>reqValidator</validator-id> 
 <validator-class>htc.faces.MustValidator</validator-class> 
</validator> 

</faces-config> 

when i am using the jsp allMembers.jsp it is giving an exception during translation of jsp 
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %> 
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %> 
<html> 
<body> 
<f:view> 

 <h:form> 

[b][u]<h:dataTable id="allMembers"
 rendered="#{!empty(memberManip.members)}" var="member"
 value="#{memberManip.members}" [/u][/b] 

 <f:facet name="header"> 
 <h:outputText value="Registered Members List" /> 
 </f:facet> 

 <h:column> 
 <f:facet name="header"> 
 <h:outputText value="Security Number" /> 
 </f:facet> 
 <h:outputText value="#{member.securityNumber}" /> 
 </h:column> 

 <h:column> 
 <f:facet name="header"> 
 <h:outputText value="Member Name" /> 
 </f:facet> 
 <h:outputText value="#{member.name}" /> 
 </h:column> 

 <h:column > 
 <f:facet name="header"> 
 <h:outputText value="Profession" /> 
 </f:facet> 
 <h:outputText value="#{member.occupation}" /> 
 </h:column> 

 <h:column> 
 <f:facet name="header"> 
 <h:outputText value="Cashless CardId" /> 
 </f:facet> 
 <h:outputText value="#{member.cardId}" /> 
 </h:column> 

 <h:column> 
 <f:facet name="header"> 
 <h:outputText value="Address" /> 
 </f:facet> 
 <h:outputText value="#{member.address}" /> 
 </h:column> 

 <h:column> 
 <f:facet name="header"> 
 <h:outputText value="Total Income" /> 
 </f:facet> 
 <h:outputText value="#{member.totIncome}" /> 
 </h:column> 
 <f:facet name="footer"> 
 <h:outputText value="From DTR Prasad" /> 
 </f:facet> 
 </h:dataTable> 
</h:form> 

</f:view> 
</body> 
</html> 

The error is: 

Unable to compile class for JSP: 

An error occurred at line: 9 in the jsp file: /allMembers.jsp
The method setVar(String) in the type DataTableTag is not applicable for the arguments (JspValueExpression) 
6: 
7: <h:form> 
8:
9: <h:dataTable id="allMembers" 
10: rendered="#{!empty(memberManip.members)}" var="member" 
11: value="#{memberManip.members}" > 
12: 
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
 at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
 at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:415)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
 at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:687)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
 at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
 at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:414)
 at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:455)
 at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:139)
 at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:108)
 at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:266)
 at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
 at java.lang.Thread.run(Thread.java:595)
Mar 9, 2007 7:10:22 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
org.apache.jasper.JasperException: Unable to compile class for JSP:

An error occurred at line: 9 in the jsp file: /allMembers.jsp
The method setVar(String) in the type DataTableTag is not applicable for the arguments (JspValueExpression)
6:
7: <h:form>
8:
9: <h:dataTable id="allMembers"
10: rendered="#{!empty(memberManip.members)}" var="member"
11: value="#{memberManip.members}" >
12:

Stacktrace:
 at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
 at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
 at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:415)
 at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)
 at org.apache.jasper.compiler.Compil

please look into this and provide help where the mistake is

email: rajendra32_at_yahoo.co.uk

Prasad DTR
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