I get atleast once in a day these kind of errors, but they go away after a few min. Any idea whats causing these exceptions? This is what it shows up on the web page when i go to homepage of my forum:
Expression templateName is undefined on line 5, column 14 in exception.html. The problematic instruction: ---------- ==> ${templateName} [on line 5, column 12 in exception.html] in include "${templateName}/message.htm" [on line 5, column 1 in exception.html] ----------
Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression templateName is undefined on line 5, column 14 in exception.html. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) at freemarker.core.Expression.getStringValue(Expression.java:118) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) 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.renderElementToString(Environment.java:1461) at freemarker.core.StringLiteral.getStringValue(StringLiteral.java:95) at freemarker.core.Include.accept(Include.java:110) 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:231) at net.jforum.exceptions.ExceptionWriter.handleExceptionData(ExceptionWriter.java:108) at net.jforum.JForum.service(JForum.java:217) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at jrun.servlet.FilterChain.doFilter(FilterChain.java:86) at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59) at jrun.servlet.FilterChain.doFilter(FilterChain.java:94) at jrun.servlet.FilterChain.service(FilterChain.java:101) at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91) at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42) at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:257) at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541) at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:204) at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:426) at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
[originally posted on jforum.net by Anonymous]