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How my dog learned polymorphism is broken

 
Ranch Foreman
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I reread that page occasionally and recognize the following is NOT what I should see:


Contact Us | advertise | mobile view | Powered by JForum | Copyright © 1998-2020 paul wheaton, missoula, MT

JavaRanch - a friendly place for java greenhornsJavaRanch - a friendly place for java greenhorns
FreeMarker template error (DEBUG mode; use RETHROW in production!): When calling macro "bannerWidget", required parameter "bannerResponse" (parameter #1) was specified, but had null/missing value. ---- Tip: If the parameter value expression on the caller side is known to be legally null/missing, you may want to specify a default value for it with the "!" operator, like paramValue!defaultValue. ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: @advertising.bannerWidget multibanner [in template "default/banner_show.htm" at line 4, column 17] ---- Java stack trace (for programmers): ---- freemarker.core._MiscTemplateException: [... Exception message was already printed; see it above ...] at freemarker.core.Macro$Context.sanityCheck(Macro.java:232) at freemarker.core.Macro$Context.runMacro(Macro.java:181) at freemarker.core.Environment.invoke(Environment.java:701) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:84) at freemarker.core.Environment.visit(Environment.java:324) at freemarker.core.MixedContent.accept(MixedContent.java:54) at freemarker.core.Environment.visit(Environment.java:324) at freemarker.core.Environment.process(Environment.java:302) at freemarker.template.Template.process(Template.java:325) at net.jforum.JForum.processCommand(JForum.java:293) at net.jforum.JForum.service(JForum.java:240) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at com.javaranch.jforum.url.JSessionIDFilter.doFilter(JSessionIDFilter.java:27) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at com.javaranch.jforum.url.UrlFilter.doChain(UrlFilter.java:72) at com.javaranch.jforum.url.UrlFilter.doFilter(UrlFilter.java:55) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at

and about 3 times that much similar text. I tried to put tags around that but all the things I tried  seemed to think it was all one long line.
 
Marshal
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Let's try it. How did you try to access the link? Was it from an underlined word like polymorphism or somehow else?
 
Campbell Ritchie
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Both the underlined word and the link above work; it is the page itself that is broken. Sorry, don't know how to fix it, but thank you for notifying us (). I am sure one of the other mods will have more luck than me mending the page.
 
Jack Marsh
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I accessed it from the picture at the top of the page.  since I know that is ambiguous, I'll try to be a bit more specific.

At the top of most/all forum pages, even this page where i I'm replying, are Icons for

  Amazing Inventions?,  
  Programing .. Granny,
  Book Review Grid,
  Thread Boost and
 How My Dog Learned Polymorphism.

the Link Associated with the Dog thumbnail is https://javaranch.com/campfire/StoryPoly.jsp .  
I get the same error using both Chrome and Firefox. None of the other links have any problems.
And YES it is still broken. I just went to https://javaranch.com/campfire and get the same error there for the StoryDog link.
 
Campbell Ritchie
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Thank you for the full details of what you tried.
 
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Jack, have some cows for reporting this bug!

It has been fixed.
 
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