Jasper fails parsing a valid EL the expression; <c:when test="${documentBean.class.simpleName == 'FaqBean'}"> ..... Caused by: org.apache.jasper.JasperException: /WEB-INF/tags/canonicalPath.tag (line: 24, column: 4) "${documentBean.class.simpleName == 'FaqBean'}" contains invalid expression(s): javax.el.ELException: Failed to parse the expression [${documentBean.class.simpleName == 'FaqBean'}] at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:41) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:198) at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1218) at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:870) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:889) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2434) at org.apache.jasper.compiler.Node$Root.accept(Node.java:475) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1790) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:644) at org.apache.jasper.servlet.JspServletWrapper.loadTagFile(JspServletWrapper.java:241) at org.apache.jasper.compiler.TagFileProcessor.loadTagFile(TagFileProcessor.java:578) at org.apache.jasper.compiler.TagFileProcessor.access$000(TagFileProcessor.java:49) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:655) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2434) at org.apache.jasper.compiler.Node$Root.accept(Node.java:475) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.TagFileProcessor.loadTagFiles(TagFileProcessor.java:673) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:229) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:644) at org.apache.jasper.servlet.JspServletWrapper.loadTagFile(JspServletWrapper.java:241) at org.apache.jasper.compiler.TagFileProcessor.loadTagFile(TagFileProcessor.java:578) at org.apache.jasper.compiler.TagFileProcessor.access$000(TagFileProcessor.java:49) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:655) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.TagFileProcessor$TagFileLoaderVisitor.visit(TagFileProcessor.java:659) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1539) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2434) at org.apache.jasper.compiler.Node$Root.accept(Node.java:475) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) at org.apache.jasper.compiler.TagFileProcessor.loadTagFiles(TagFileProcessor.java:673) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:229) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:644) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:593) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:530) at org.hippoecm.hst.core.container.HstComponentInvokerImpl.invokeDispatcher(HstComponentInvokerImpl.java:410) at org.hippoecm.hst.core.container.HstComponentInvokerImpl.invokeRender(HstComponentInvokerImpl.java:217) ... 71 more
You have not provided the full error message (have you looked into the logs?) [[[ ... with root cause javax.el.ELException: The identifier [class] is not a valid Java identifier as required by section 1.19 of the EL specification (Identifier ::= Java language identifier). This check can be disabled by setting the system property org.apache.el.parser.SKIP_IDENTIFIER_CHECK to true. ]]] Anyway, your EL expression is invalid, You can use the following equivalent one instead: ${documentBean['class'].simpleName == 'FaqBean'}
*** This bug has been marked as a duplicate of bug 49217 ***