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Strange exception while using EL functions.
Deepak Jain
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Posts: 637
posted 16 years ago
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TLD file:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>2.0</jsp-version>
<uri>myTags</uri>
<function>
<name>encodeParameters</name>
<function-class>com.example.html.core.MxHtmlUtil</function-class>
<function-signature>
java.lang.String encodeJScriptEntities(java.lang.String)
</function-signature>
</function>
</taglib>
Exception:
01 Dec 10:29:59,000 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception org.apache.el.parser.ParseException: Encountered ":" at line 1, column 29. Was expecting one of: "." ... ")" ... "[" ... "," ... ">" ... "gt" ... "<" ... "lt" ... ">=" ... "ge" ... "<=" ... "le" ... "==" ... "eq" ... "!=" ... "ne" ... "&&" ... "and" ... "||" ... "or" ... "*" ... "+" ... "-" ... "?" ... "/" ... "div" ... "%" ... "mod" ... at org.apache.el.parser.ELParser.generateParseException(ELParser.java:1874) at org.apache.el.parser.ELParser.jj_consume_token(ELParser.java:1754) at org.apache.el.parser.ELParser.Function(ELParser.java:1224) at org.apache.el.parser.ELParser.NonLiteral(ELParser.java:1128) at org.apache.el.parser.ELParser.ValuePrefix(ELParser.java:1030) at org.apache.el.parser.ELParser.Value(ELParser.java:978) at org.apache.el.parser.ELParser.Unary(ELParser.java:960) at org.apache.el.parser.ELParser.Multiplication(ELParser.java:723) at org.apache.el.parser.ELParser.Math(ELParser.java:643) at org.apache.el.parser.ELParser.Compare(ELParser.java:455) at org.apache.el.parser.ELParser.Equality(ELParser.java:349) at org.apache.el.parser.ELParser.And(ELParser.java:293) at org.apache.el.parser.ELParser.Or(ELParser.java:237) at org.apache.el.parser.ELParser.Choice(ELParser.java:191) at org.apache.el.parser.ELParser.Expression(ELParser.java:183) at org.apache.el.parser.ELParser.DynamicExpression(ELParser.java:155) at org.apache.el.parser.ELParser.CompositeExpression(ELParser.java:52) at org.apache.el.lang.ExpressionBuilder.createNodeInternal(ExpressionBuilder.java:93) at org.apache.el.lang.ExpressionBuilder.build(ExpressionBuilder.java:146) at org.apache.el.lang.ExpressionBuilder.createValueExpression(ExpressionBuilder.java:190) at org.apache.el.ExpressionFactoryImpl.createValueExpression(ExpressionFactoryImpl.java:68) at org.apache.jasper.runtime.PageContextImpl$13.run(PageContextImpl.java:912) at java.security.AccessController.doPrivileged(Native Method) at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:906) at org.apache.jsp.mxportal.test.Test_jsp._jspService(Test_jsp.java:157) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:387) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at sun.reflect.GeneratedMethodAccessor461.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at sun.reflect.GeneratedMethodAccessor462.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:218) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:420) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595)
JSP
:
<%@ taglib prefix="myTags" uri="myTags" %> ${myTags:encodeParameters("aa")}
SCJP, SCWCD, SCBCD
Christophe Verré
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Posts: 14691
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posted 16 years ago
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Which version of JSP are you using ?
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Deepak Jain
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Posts: 637
posted 16 years ago
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<div > Servlet Engine: <%= session.getServletContext().getMajorVersion() %>.<%= session.getServletContext().getMinorVersion() %> </div> <div > JSP Engine: <%= JspFactory.getDefaultFactory().getEngineInfo().getSpecificationVersion()%> </div> <div > Application Server: <%= application.getServerInfo()%> </div>
Servlet
Engine: 2.5
JSP Engine: 2.1
Application Server: JBossWeb/2.0.0.GA
SCJP, SCWCD, SCBCD
Deepak Jain
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Posts: 637
posted 16 years ago
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Changed the TLD to have 2.1 for JSP Version
<?xml version="1.0" encoding="ISO-8859-1" ?> <taglib> <tlib-version>1.0</tlib-version> <jsp-version>2.1</jsp-version> <uri>myTags</uri> <function> <name>encodeParameters</name> <function-class>com.example.html.core.MxHtmlUtil</function-class> <function-signature> java.lang.String encodeJScriptEntities(java.lang.String) </function-signature> </function> </taglib>
Still same exception.
[ December 01, 2008: Message edited by: Deepak Jain ]
SCJP, SCWCD, SCBCD
Christophe Verré
Sheriff
Posts: 14691
16
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posted 16 years ago
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Changed the TLD to have 2.1 for JSP Version
No. If you were using JSP 2.0 (why 2.1 ?), you'd see that there is no tag called "jsp-version".
<?xml version="1.0" encoding="ISO-8859-1"?> <taglib xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3g.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee web-jsptaglibrary_2_0.xsd" version="2.0"> <tlib-version>1.0</tlib-version> <uri>myTags</uri> <function> <name>encodeParameters</name> <function-class>com.example.html.core.MxHtmlUtil</function-class> <function-signature> java.lang.String encodeJScriptEntities(java.lang.String) </function-signature> </function> </taglib>
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Deepak Jain
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Posts: 637
posted 16 years ago
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Without jsp-version.
01 Dec 14:15:32,140 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: Mandatory TLD element missing or empty: jsp-version at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:116) at org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:284) at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:163) at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:420) at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:476) at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1426) at org.apache.jasper.compiler.Parser.parse(Parser.java:133)
SCJP, SCWCD, SCBCD
Deepak Jain
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Posts: 637
posted 16 years ago
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I used the modified version by you still i get the same exception.
rg.apache.el.parser.ParseException: Encountered ":" at line 1, column 29. Was expecting one of: "." ... ")" ... "[" ... "," ... ">" ... "gt" ... "<" ... "lt" ... ">=" ... "ge" ... "<=" ... "le" ... "==" ... "eq" ... "!=" ... "ne" ... "&&" ... "and" ... "||" ... "or" ... "*" ... "+" ... "-" ... "?" ... "/" ... "div" ... "%" ... "mod" ... at org.apache.el.parser.ELParser.generateParseException(ELParser.java:1874)
Why isn't this silly thing working
SCJP, SCWCD, SCBCD
Deepak Jain
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Posts: 637
posted 16 years ago
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Worked silly editor bug.
Good to see things working.
SCJP, SCWCD, SCBCD
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