Looks like you defined a "type" as "java.util.Vector" ( wtih rtexprvalue
set to true ) in your tld for the accessList attribute ?
-- padhu
Cindy Ballreich wrote:
>I have a custom tag that takes a collection as one of it's parameters. I'd like to be
>able to give the name of an attribute (a String) as the value and have the tag find
>the attribute from the pageContext. This doesn't seem like it should be too
>difficult. I have setters that look like this in my tag...
>
> protected Collection accessList;
>
> public void setAccessList(String accessList) {
> Object o = pageContext.findAttribute(accessList);
> if (o instanceof Collection) {
> this.accessList = (Collection)o;
> }
> }
>
> public void setAccessList(Collection accessList) {
> this.accessList = accessList;
> }
>
>...and the tag looks like this on the jsp page...
>
> <jsp:useBean id="accessList" scope="request" class="java.util.Vector" />
> <mpi:accessList id="access" accessList="accessList" ... >
> ...
> </mpi:accessList>
>
>... but I keep getting errors like this...
>
>org.apache.jasper.JasperException: Unable to convert string 'accessList' to class
>java.util.Collection for attribute accessList: java.lang.IllegalArgumentException:
>Property Editor not registered with the PropertyEditorManager
> at
>org.apache.jasper.runtime.JspRuntimeLibrary.getValueFromPropertyEditorManager(JspRuntimeLibrary.java:749)
>
>If I use a run time value in the tag I don't get the error...
>
> <jsp:useBean id="accessList" scope="request" class="java.util.Vector" />
> <mpi:accessList id="access" accessList='<%= accessList %> ... >
> ...
> </mpi:accessList>
>
>So I have a workaround for the problem, but I'd still like to understand why the
>first example doesn't work when everything I've read says that it should.
>
>I'm using Tomcat 4.1.12 on NT 4.0 (development server) with j2sdk1.4.0_01.
>
>Thanks
>
>Cindy
>
>
>
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