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Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.

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Joined: Apr 22, 2012
Posts: 17424
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When creating a poll and looking at it logged in as a user that did not vote yet, I'm getting the following error:

15:54:34,795 ERROR [runtime ]
Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.
The problematic instruction:
----------
==> if-else [on line 97, column 57 in default/post_show.htm]
----------

Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:114)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.BuiltIn$existsBI._getAsTemplateModel(BuiltIn.java:636)
at freemarker.core.BuiltIn$existsBI.isTrue(BuiltIn.java:647)
at freemarker.core.NotExpression.isTrue(NotExpression.java:66)
at freemarker.core.AndExpression.isTrue(AndExpression.java:68)
at freemarker.core.ParentheticalExpression.isTrue(ParentheticalExpression.java:66)
at freemarker.core.IfBlock.accept(IfBlock.java:80)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.Environment.process(Environment.java:176)
at freemarker.template.Template.process(Template.java:232)
at net.jforum.JForum.processCommand(JForum.java:233)
at net.jforum.JForum.service(JForum.java:200)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:262)
at org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:171)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59)
at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:210)
at org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:171)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at com.jamontomcat.JAMonTomcat55Valve.invoke(JAMonTomcat55Valve.java:95)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:834)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Thread.java:619)
15:54:34,823 ERROR [ExceptionWriter ]
Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.
The problematic instruction:
----------
==> if-else [on line 97, column 57 in default/post_show.htm]
----------

Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:114)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.BuiltIn$existsBI._getAsTemplateModel(BuiltIn.java:636)
at freemarker.core.BuiltIn$existsBI.isTrue(BuiltIn.java:647)
at freemarker.core.NotExpression.isTrue(NotExpression.java:66)
at freemarker.core.AndExpression.isTrue(AndExpression.java:68)
at freemarker.core.ParentheticalExpression.isTrue(ParentheticalExpression.java:66)
at freemarker.core.IfBlock.accept(IfBlock.java:80)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.Environment.process(Environment.java:176)
at freemarker.template.Template.process(Template.java:232)
at net.jforum.JForum.processCommand(JForum.java:233)
at net.jforum.JForum.service(JForum.java:200)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:262)
at org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:171)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59)
at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:210)
at org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:171)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at com.jamontomcat.JAMonTomcat55Valve.invoke(JAMonTomcat55Valve.java:95)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:834)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Thread.java:619)

URL is: /forum/posts/list/17.page?null

The offending line in post_show.html is:

<#if (poll.open && canVoteOnPoll && !request.getParameter("viewResults")?exists)>

Problem can be seen on:

http://play.onlinefrontlines.com/forum/posts/list/17.page

(you need to LOGIN and register first for it to occur)

Any ideas?

I'm using SSO
[originally posted on jforum.net by jrouwe]
Migrated From Jforum.net
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Joined: Apr 22, 2012
Posts: 17424
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Freemarker errors like this tend to be the result of some underlying problem that is not reported to the browser. Check your application server log files to see if there are any associated errors there.
[originally posted on jforum.net by monroe]
Migrated From Jforum.net
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Joined: Apr 22, 2012
Posts: 17424
posted private message
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Hello,

The text you're seeing above comes from the tomcat log folder. I don't see any other text in the log that could relate to this problem.

Jorrit.
[originally posted on jforum.net by jrouwe]
Migrated From Jforum.net
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Joined: Apr 22, 2012
Posts: 17424
posted private message
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found it, security manager problem!

this seems to work for me now:

grant codeBase "file:/var/lib/tomcat5.5/webapps/forum/-" {
permission java.util.PropertyPermission "*", "read";

permission java.io.FilePermission "/var/lib/tomcat5.5/webapps/forum/WEB-INF/jforumLuceneIndex/-", "read,write,delete";
permission java.io.FilePermission "/var/lib/tomcat5.5/webapps/forum/WEB-INF/config/-", "read,write";
permission java.io.FilePermission "/var/lib/tomcat5.5/temp/-", "read,write,delete";

permission java.lang.RuntimePermission "accessClassInPackage.org.apache.coyote";
permission java.lang.RuntimePermission "accessClassInPackage.org.apache.catalina.core";
permission java.lang.RuntimePermission "accessClassInPackage.org.apache.catalina.connector";

permission javax.management.MBeanServerPermission "createMBeanServer,releaseMBeanServer";
permission javax.management.MBeanPermission "com.mchange.*", "registerMBean,unregisterMBean";
permission javax.management.MBeanTrustPermission "register";

permission java.net.SocketPermission "localhost:3306", "connect,resolve";
permission java.net.SocketPermission "mailserver:25", "connect,resolve";
};

[originally posted on jforum.net by jrouwe]
 
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subject: Expression request.getParameter is undefined on line 97, column 94 in default/post_show.htm.
 
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