java - JSTL sessionScope attribute -


i need retrieve session attribute in .jspx file , following not work:

in controller set attribute follows:

request.getsession().setattribute("error", 1);

then try retrieve attribute in .jspx file:

<c:if test="${sessionscope.error eq 1}">     <p>retrieved</p> </c:if>

i not "retrieved" message. doing wrong?

if use request.setatribute , don't use sessionscope, works intended. why?


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