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prashanth Kotla
Greenhorn
Posts: 9
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Hi Friends,
I am unable to execute simple jstl custom tag program.i am facing following program while running my jsp file.I am using jsp 2.0 version.

org.apache.jasper.JasperException: /com.cts.jsp/DemoTag.jsp(2,0) Unable to find setter method for attribute: optwo
Please see the code:
********** My Tag Handler class*************
package org.student;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
public class SayBye extends TagSupport {
int sno=0,snum=0;

public SayBye(){
System.out.println("sayhello constructor");
}
public void setOpone(int sno){
this.sno=sno;
}
public void setOptw0(int snum){
this.snum=snum;
}

public int doEndTag()throws JspException{
System.out.println("doendtag method");
try{
int res=sno+snum;
JspWriter out=pageContext.getOut();
out.println(res);
}
catch(Exception e){
throw new JspException();

}

return SKIP_PAGE;
}
}
******My TLD file***********
<taglib>
<tlibversion>1.1</tlibversion>
<jspversion>2.0</jspversion>
<uri>http://www.students.org/ourtags</uri>
<tag>
<name>SayHello</name>
<tag-class>org.student.SayHi</tag-class>
</tag>
<tag>
<name>add</name>
<tag-class>org.student.SayBye</tag-class>
<attribute>
<name>opone</name>
<required>true</required>
</attribute>
<attribute>
<name>optwo</name>
<required>true</required>
</attribute>
</tag>
</taglib>
****web.xml********
<?xml version="1.0" encoding="UTF-8"?>
<web-app>
<taglib>
<taglib-uri>http://www.students.org/ourtags</taglib-uri>
<taglib-location>/WEB-INF/First.tld</taglib-location>
</taglib>
</web-app>
******my jsp file********
<%@taglib uri="http://www.students.org/ourtags" prefix="kotla"%>
<kotla:add opone="2" optwo="3"/>
*********
Please send me the solution if any body knows this problem,
I am eagerly waiting for your replies.
Bye
 
Marimuthu Madasamy
Ranch Hand
Posts: 72
Java Monad Scala
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Your setter method name should be


The last character in the method name should be alphabet 'o'. Earlier it was number '0'
 
It is sorta covered in the JavaRanch Style Guide.
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