I have this code: <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %> <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c"%> <jsp:useBean id="sbean" scope="request" type="it.matrix.cercateatri.SearchBean"/> <!-- riassunto --> <tr><td colspan="3"><img src="/cercateatri/images/blank.gif" width="1" height="10"/></td></tr> <tr> <td><img src="/cercateatri/images/blank.gif" width="5" height="1"/></td> <td class="st7" align="left"><b>Hai cercato <c:if test="${fn:length(sbean.searchRequest.sm_exhibition) > 0}">lo spettacolo '<c:out value="${sbean.searchRequest.sm_exhibition}" />' </c:if> <c:if test="${fn:length(sbean.searchRequest.sm_theatre) > 0}">nel teatro '<c:out value="${sbean.searchRequest.sm_theatre}" />' </c:if> <c:if test="${fn:length(sbean.searchRequest.sm_city_name) > 0}">a '<c:out value="${sbean.searchRequest.sm_city_name}" />' </c:if> <c:choose> <c:when test="${sbean.searchRequest.sm_f_date != sbean.searchRequest.sm_i_date}">per il periodo dal <c:out value="${sbean.searchrequest.sm_i_date}" /> al <c:out value="${sbean.searchRequest.sm_f_date}" /></c:when> <c:otherwise>per <c:out value="${sbean.searchRequest.sm_f_date}" /></c:otherwise> </c:choose> <c:if test="${fn:length(sbean.searchRequest.sm_ex_type_name) > 0}">in '<c:out value="${sbean.searchRequest.sm_ex_type_name}" />' </c:if> </b></td> <td><img src="/cercateatri/images/blank.gif" width="5" height="1"/></td> </tr> </table> <!-- /riassunto -->
And I get the following error: HTTP Status 500 - ________________________________________________________________________ type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: <h3>Validation error messages from TagLibraryValidator for c in /jsp/conclusions.jsp</h3><p>4: tag = 'if' / attribute = 'test': An error occurred while parsing custom action attribute "test" with value "${fn:length(sbean.searchRequest.sm_exhibition) > 0}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported.</p><p>20: tag = 'if' / attribute = 'test': An error occurred while parsing custom action attribute "test" with value "${fn:length(sbean.searchRequest.sm_theatre) > 0}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported.</p><p>25: tag = 'if' / attribute = 'test': An error occurred while parsing custom action attribute "test" with value "${fn:length(sbean.searchRequest.sm_city_name) > 0}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported.</p><p>43: tag = 'if' / attribute = 'test': An error occurred while parsing cust om action attribute "test" with value "${fn:length(sbean.searchRequest.sm_ex_type_name) > 0}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported.</p> org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409) org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:74) org.apache.jasper.compiler.Validator.validateXmlView(Validator.java:1797) org.apache.jasper.compiler.Validator.validate(Validator.java:1743) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:178) org.apache.jasper.compiler.Compiler.compile(Compiler.java:306) org.apache.jasper.compiler.Compiler.compile(Compiler.java:286) org.apache.jasper.compiler.Compiler.compile(Compiler.java:273) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968) org.apache.jsp.jsp.listing_jsp._jspx_meth_c_005fwhen_005f2(listing_jsp.java:845) org.apache.jsp.jsp.listing_jsp._jspx_meth_c_005fchoose_005f2(listing_jsp.java:810) org.apache.jsp.jsp.listing_jsp._jspService(listing_jsp.java:110) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968) org.apache.jsp.jsp.form_jsp._jspx_meth_c_005fif_005f24(form_jsp.java:1048) org.apache.jsp.jsp.form_jsp._jspService(form_jsp.java:328) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968) org.apache.jsp.jsp.index_jsp._jspx_meth_c_005fwhen_005f0(index_jsp.java:217) org.apache.jsp.jsp.index_jsp._jspx_meth_c_005fchoose_005f0(index_jsp.java:173) org.apache.jsp.jsp.index_jsp._jspService(index_jsp.java:131) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) note The full stack trace of the root cause is available in the Apache Tomcat/6.0.10 logs. ________________________________________________________________________ Apache Tomcat/6.0.10 Thank you in advance