jstl:org.apache.jasper.JasperException:. The end tag "</c:when" is unbalanced

?<c:choose>
?? <c:when test="${status.index==0}">
??? style="display:block"
?? </c:when>
?? <c:otherwise>
??? style="display:none"
?? </c:otherwise>
?</c:choose>

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org.apache.jasper.JasperException: /jsp/statAnal/often/establish/t5_1Detail.jsp(128,3) The end tag "</c:when" is unbalanced

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原因：<c:when test="${status.index==0}">? 写成了 ：<c:when test="${status.index==0}"/>???多了"/"
?

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org.apache.jasper.JasperException: /jsp/statAnal/often/establish/t5_1Detail.jsp(132,4) The end tag "</c:choose" is unbalanced

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原因：</c:otherwise> 写成了 <c:otherwise> 少了"/"