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  1. Struts 2
  2. WW-5452

Freemarker error with empty boolean parameter

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Details

    • Bug
    • Status: In Progress
    • Major
    • Resolution: Unresolved
    • 7.0.0
    • 7.0.0
    • Expression Language
    • None

    Description

      Switching to latest milestone release for version 7.0.0 resulted in freemarker errors when building Struts jQuery Plugin.

       

      FreeMarker template error:For "#if" condition: Expected a boolean, but this has evaluated to an extended_hash+string (org.apache.struts2.dispatcher.Parameter$Empty wrapped into f.e.b.GenericObjectModel):==> parameters.loadFromCdn!false  [in template "template/jquery/head.ftl" at line 70, column 6]
      ----FTL stack trace ("~" means nesting-related):	- Failed at: #if parameters.loadFromCdn!false  [in template "template/jquery/head.ftl" at line 70, column 1]----
      Java stack trace (for programmers):----freemarker.core.NonBooleanException: [... Exception message was already printed; see it above ...]	at freemarker.core.Expression.modelToBoolean(Expression.java:195)	at freemarker.core.Expression.evalToBoolean(Expression.java:178)	at freemarker.core.Expression.evalToBoolean(Expression.java:163)	at freemarker.core.IfBlock.accept(IfBlock.java:50)	at freemarker.core.Environment.visit(Environment.java:344)	at freemarker.core.Environment.visit(Environment.java:350)	at freemarker.core.Environment.process(Environment.java:323)	at freemarker.template.Template.process(Template.java:383)	at org.apache.struts2.components.template.FreemarkerTemplateEngine.renderTemplate(FreemarkerTemplateEngine.java:154)	at org.apache.struts2.components.UIBean.mergeTemplate(UIBean.java:594)	at org.apache.struts2.components.UIBean.end(UIBean.java:553)	at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:39)	at org.apache.jsp.WEB_002dINF.content.uncompressed.div.events_jsp._jspx_meth_sj_005fhead_005f0(events_jsp.java:178)	at org.apache.jsp.WEB_002dINF.content.uncompressed.div.events_jsp._jspService(events_jsp.java:135)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:587)
       

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            lukaszlenart Lukasz Lenart
            jogep Johannes Geppert
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            Dates

              Created:
              Updated: