Custom Tag lib life-cycle question.

"Daniel Pitts" <>
22 Jan 2007 16:39:49 -0800
So, I've created a tag which takes an optional attribute. It seems to
be retaining the value of the attribute between invocations of the tag.

--- CUT -- -- CUT ---
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspException;

public class MyTag extends TagSupport {
   private Object myArgument;
   private static int counter = 0;
   public int doStartTag() throws JspException {
       if (myArgument == null) {
           myArgument = new Integer(++counter);
      try {
      } catch (Exception e) {
        throw new JspException(e);
      return SKIP_BODY;
   public int doEndTag() throws JspException {
      return EVAL_PAGE;

    public Object getMyArgument() {
        return myArgument;

    public void setMyArgument(Object myArgument) {
        this.myArgument = myArgument;
--- END -- -- END ---

In my JSP I have:
<mytags:myTag />
<mytags:myTag />
<mytags:myTag myArgument="help" />

I would expect the output to be
but the output is

My question is, where is the appropriate location to reset the
myArgument reference? at doEndTag? release? somewhere else?

Or, am I going about this the wrong way altogether? Keeping in mind
this is a simplified version of my actual usecase.


(x-posted to, follow-up to

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