EL expressions that contain unnecessary parentheses fail

      <c:set var = "i" scope = "session" value = "1"/>
        <c:if test="${(i) == '1'}">                   
         <p>i is:  <c:out value = "${i}"/><p>
        </c:if>

15:16:51,903 INFO  [stdout] (http_8080 task-1) ----------------------->ParseException.init
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ParseException.<init>(ParseException.java:179)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.generateParseException(ELParser.java:2963)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.jj_consume_token(ELParser.java:2845)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.LambdaExpression(ELParser.java:295)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.Assignment(ELParser.java:226)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.SemiColon(ELParser.java:181)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.Expression(ELParser.java:174)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.DynamicExpression(ELParser.java:146)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.parser.ELParser.CompositeExpression(ELParser.java:43)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.lang.ExpressionBuilder.createNodeInternal(ExpressionBuilder.java:182)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.lang.ExpressionBuilder.build(ExpressionBuilder.java:237)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.lang.ExpressionBuilder.createValueExpression(ExpressionBuilder.java:295)
15:16:51,904 INFO  [stdout] (http_8080 task-1) com.sun.el.ExpressionFactoryImpl.createValueExpression(ExpressionFactoryImpl.java:112)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$JspAttribute.validateEL(Node.java:2151)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Validator$ValidateVisitor.getJspAttribute(Validator.java:1400)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1204)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:855)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1535)
15:16:51,904 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2433)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$Root.accept(Node.java:464)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1834)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:218)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:652)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:403)
15:16:51,905 INFO  [stdout] (http_8080 task-1) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:347)
15:16:51,905 INFO  [stdout] (http_8080 task-1) javax.servlet.http.HttpServlet.service(HttpServlet.java:790)