Unable to load tag handler class

[Shashi Prakash]

Hi ,

I have a custom tag "GESubmitTag" which is located

at "com.ge.tags.GESubmitTag".. I have put this in taglib.tld also.. but

while executing this I am getting this error--

Unable to load tag handler class "com.ge.tags.GESubmitTag" for tag "ge:submit"..

I am not sure what mistake I am making for this

Please assist.

[Ben Souther]

Originally posted by shashi prakash:

I have a custom tag "GESubmitTag" which is located
at "com.ge.tags.GESubmitTag"..

I'm not sure what this means.
Where, exactly, did you put the class file for this tag?

[Shashi Prakash]

My class file is -----

package com.ge.tags;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
 
public class GESubmitTag extends FormElementTag {
private static final long serialVersionUID = 1L;

public void renderReadOnly(HttpServletRequest req, HttpServletResponse res, StringBuffer buffy) {
render(buffy);
}
 
public void renderReadWrite(HttpServletRequest req, HttpServletResponse res, StringBuffer buffy) {
render(buffy);
}
 
private void render(StringBuffer buffy) {
String name = (String) getOtherAttribute("name");
 
buffy.append("<input type=\"submit\"");


if(name == null) {
name = getFullBean();
}

appendAttribute(buffy, "name", name);
appendOtherAttributes(buffy);

buffy.append(">");

String submitvalue = (String) getOtherAttribute("submitvalue");

if(submitvalue != null) {
buffy.append("<input type=\"hidden\" name=\"");
buffy.append(name);
buffy.append(":submitvalue\" value=\"");
buffy.append(submitvalue);
buffy.append("\">");
}
}
}
...
 
Similary I have  another class GEImageTag....
 
 
package com.ge.tags;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
 
public class GEImageTag extends FormElementTag {
private static final long serialVersionUID = 1L;

public void renderReadOnly(HttpServletRequest req, HttpServletResponse res, StringBuffer buffy) {
render(buffy);
}
 
public void renderReadWrite(HttpServletRequest req, HttpServletResponse res, StringBuffer buffy) {
render(buffy);
}
 
private void render(StringBuffer buffy) {
String name = (String) getOtherAttribute("name");
 
buffy.append("<input type=\"image\"");

if(name == null) {
name = getFullBean();
}

appendAttribute(buffy, "name", name);
appendOtherAttributes(buffy);

buffy.append(">");

String submitvalue = (String) getOtherAttribute("submitvalue");

if(submitvalue != null) {
buffy.append("<input type=\"hidden\" name=\"");
buffy.append(name);
buffy.append(":submitvalue\" value=\"");
buffy.append(submitvalue);
buffy.append("\">");
}
}
}
 

GEImageTag is workign fine...

although there is no difference i think..



[BSouther: Added UBB CODE tags]
[ July 12, 2007: Message edited by: Ben Souther ]

[Gnanasekaran Sakthivel]

Hope you got answers...

I didnt understand the error message well.

Make sure of the following (sometimes we just miss some spelling, etc):
1. web.xml - has the <taglib>...</taglib> declaration/reference
2. yyy.tld file under the WEB-INF folder
3. tag-class element in
<tag> <name>submit</name> ... </tag>
exactly matches the class name with package qualification
4. JSP has this header <%@ taglib uri="/WEB-INF/yyy.tld" prefix="test"%>
5. Usage: <test:submit key="links.enforcement.case.newBtn">
Note the "submit" matched the <name> element value...

Once these are passed,
Tag initialization may not have been succeeded. Tag class could not be instantiated may be.. Check the (required) attributes and the way you access the tag from your JSP.

Hope this helps.

[Bear Bibeault]

Originally posted by Gnanasekaran Sakthivel:

1. web.xml - has the <taglib>...</taglib> declaration/reference

This is not necessary. If the TLD is properly formed, the container will automatically find it by its URI.

4. JSP has this header <%@ taglib uri="/WEB-INF/yyy.tld" prefix="test"%>

The uri value should match the URI defined within the TLD, not the path to the TLD.

[Shashi Prakash]

Thanks ..

I got my issue resolved .. In my application we are taking class file from one of the jar and this tag class was not there...

[Katrina Owen]

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