How can i check if an attribute is set (not null and not an empty string) with jstl?


Jstl Problem Overview


<c:if test="${post}">

Jstl Solutions

Solution 1 - Jstl

Use the empty keyword

<c:if test="${not empty post}">

Solution 2 - Jstl

You can also use '!' instead 'not' :

<c:if test="${!empty post}">


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Content TypeOriginal AuthorOriginal Content on Stackoverflow
QuestionSergio del AmoView Question on Stackoverflow
Solution 1 - JstlkrosenvoldView Answer on Stackoverflow
Solution 2 - Jstlhejiaming007View Answer on Stackoverflow