Sorry for re-instigating an old thread here. But I thought other people might
find this useful too.
I can give a slightly more precise answer for this problem.
I had same issue today following through David Whitehurst's primer.
I had this for example:
<s:a href="vehicle.html?=id=${row.id}">
....
The message I got in the browser was:
PWC6236: According to TLD or attribute directive in tag file, attribute href
does not accept any expressions
This relates to the fact you are trying to use JSTL expression language in a
Struts 2 tag
Consequently all you need to do is convert the $ symbol to % and you're set
to go:
So, when I changed it to this, everything worked properly:
<s:a href="vehicle.html?=id=%{row.id}">
...
You could have use the <s:param> tag too. But once again a JSTL expressions
wouldn't be allowed.
<s:a href="vehicle.html">
<s:param name="id" value="%{row.id}">
...
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