ITB-Arbeitspapiere

Mit der Reihe ITB-Arbeitspapiere will das Institut Technik und Bildung (ITB) der Universität Bremen aktuelle Ergebnisse aus Forschung und Entwicklung schnell zugänglich machen und so zur Diskussion und kritischen Reflexion anregen. Unter der Leitidee der Gestaltung von Arbeit und Technik für die berufliche Bildung wird am Institut in vielfältigen, gesellschaftlich bestimmten Zusammenhängen geforscht. Neben den Ergebnissen spezifischer Forschungsvorhaben werden in dieser Reihe konzeptionelle Beiträge zu grundsätzlichen Forschungsfragen, -methoden und -strategien dokumentiert. Dazu werden Berichte und Ergebnisse von Tagungen und Workshops des ITB sowie Gutachten und ausgewählte Dissertationen und Habilitationen gedruckt.

Herausgegeben von

Institut Technik und Bildung

Bände der Reihe

  • Institut Technik und Bildung (Hrsg.) (2008): Bericht über Forschungsarbeiten 2006–2007 , Bremen: Institut Technik und Bildung (ITB-Arbeitspapiere)
  • Arold, Heike ; Koring, Claudia (2008): New Vocational Ways and Qualifications for Professionalisation in the Second-Hand Sector , FreeMarker template error (DEBUG mode; use RETHROW in production!): For "?size" left-hand operand: Expected an extended-hash or sequence or extended collection, but this has evaluated to a string (wrapper: f.t.SimpleScalar): ==> Publications.getPlace(item) [in template "templates/contentitems/list/scipublications.html.ftl" at line 36, column 15] ---- FTL stack trace ("~" means nesting-related): - Failed at: #if (Publications.getPlace(item)?size... [in template "templates/contentitems/list/scipublications.html.ftl" at line 36, column 9] - Reached through: #include getContentItemTemplate(item[... [in template "ccm-cms/content-item.ftl" in macro "contentItem" at line 50, column 9] - Reached through: @ContentItem.contentItem volume, "list" [in template "templates/contentitems/detail/series.html.ftl" at line 52, column 25] - Reached through: #include getContentItemTemplate(item[... [in template "ccm-cms/content-item.ftl" in macro "contentItem" at line 50, column 9] - Reached through: @ContentItem.contentItem ContentItem... [in template "templates/default-layout.html.ftl" at line 9, column 13] ~ Reached through: #nested [in template "templates/UniHB2018.html.ftl" in macro "layout" at line 388, column 17] ~ Reached through: @UniHB2018.layout [in template "templates/default-layout.html.ftl" at line 5, column 1] ---- Java stack trace (for programmers): ---- freemarker.core.UnexpectedTypeException: [... Exception message was already printed; see it above ...] at freemarker.core.BuiltInsForMultipleTypes$sizeBI._eval(BuiltInsForMultipleTypes.java:527) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.EvalUtil.compare(EvalUtil.java:113) at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:78) at freemarker.core.ParentheticalExpression.evalToBoolean(ParentheticalExpression.java:35) at freemarker.core.IfBlock.accept(IfBlock.java:49) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:337) at freemarker.core.Environment.visit(Environment.java:337) at freemarker.core.Environment.include(Environment.java:2694) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:373) at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:872) at freemarker.core.Environment.invokeMacro(Environment.java:809) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83) at freemarker.core.Environment.visit(Environment.java:367) at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321) at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271) at freemarker.core.IteratorBlock$IterationContext.loopForItemsElement(IteratorBlock.java:257) at freemarker.core.Items.accept(Items.java:54) at freemarker.core.Environment.visit(Environment.java:367) at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:332) at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271) at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244) at freemarker.core.Environment.visitIteratorBlock(Environment.java:643) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:337) at freemarker.core.Environment.include(Environment.java:2694) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:373) at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:872) at freemarker.core.Environment.invokeMacro(Environment.java:809) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83) at freemarker.core.Environment.visit(Environment.java:367) at freemarker.core.Environment.invokeNestedContent(Environment.java:619) at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60) at freemarker.core.Environment.visit(Environment.java:367) at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:872) at freemarker.core.Environment.invokeMacro(Environment.java:809) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83) at freemarker.core.Environment.visit(Environment.java:331) at freemarker.core.Environment.visit(Environment.java:337) at freemarker.core.Environment.process(Environment.java:310) at freemarker.template.Template.process(Template.java:383) at org.libreccm.theming.FreeMarkerPresentationManager.servePage(FreeMarkerPresentationManager.java:283) at com.arsdigita.bebop.jsp.ShowAll.servePageWithPresentationManager(ShowAll.java:126) at com.arsdigita.bebop.jsp.ShowAll.doEndTag(ShowAll.java:90) at org.apache.jsp.templates.ccm_002dcms.content_002dsection.default_.aplaws_002ditem_jsp._jspx_meth_show_005fall_005f0(aplaws_002ditem_jsp.java:310) at org.apache.jsp.templates.ccm_002dcms.content_002dsection.default_.aplaws_002ditem_jsp._jspService(aplaws_002ditem_jsp.java:278) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) 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 org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:742) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:484) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:409) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337) at com.arsdigita.dispatcher.DispatcherHelper.forwardHelper(DispatcherHelper.java:216) at com.arsdigita.dispatcher.DispatcherHelper.forwardRequestByPath(DispatcherHelper.java:245) at com.arsdigita.dispatcher.DispatcherHelper.forwardRequestByPath(DispatcherHelper.java:263) at com.arsdigita.cms.dispatcher.ContentItemDispatcher$1.excurse(ContentItemDispatcher.java:116) at com.arsdigita.cms.CMSExcursion$1.excurse(CMSExcursion.java:79) at com.arsdigita.kernel.KernelExcursion.run(KernelExcursion.java:58) at com.arsdigita.cms.CMSExcursion.run(CMSExcursion.java:86) at com.arsdigita.cms.dispatcher.ContentItemDispatcher.dispatch(ContentItemDispatcher.java:119) at com.arsdigita.cms.ContentSectionServlet.serveItem(ContentSectionServlet.java:538) at com.arsdigita.cms.ContentSectionServlet.doService(ContentSectionServlet.java:428) at com.arsdigita.web.BaseApplicationServlet$1.excurse(BaseApplicationServlet.java:131) at com.arsdigita.kernel.KernelExcursion.run(KernelExcursion.java:58) at com.arsdigita.web.BaseApplicationServlet.doService(BaseApplicationServlet.java:138) at com.arsdigita.web.BaseServlet$1.excurse(BaseServlet.java:180) at com.arsdigita.kernel.KernelExcursion.run(KernelExcursion.java:58) at com.arsdigita.web.BaseServlet.internalService(BaseServlet.java:197) at com.arsdigita.web.BaseServlet.doGet(BaseServlet.java:286) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) 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 org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:742) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:484) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:409) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337) at com.arsdigita.web.CCMDispatcherServlet.forward(CCMDispatcherServlet.java:377) at com.arsdigita.web.CCMDispatcherServlet.forward(CCMDispatcherServlet.java:349) at com.arsdigita.web.CCMDispatcherServlet.doService(CCMDispatcherServlet.java:261) at com.arsdigita.web.BaseServlet$1.excurse(BaseServlet.java:180) at com.arsdigita.kernel.KernelExcursion.run(KernelExcursion.java:58) at com.arsdigita.web.BaseServlet.internalService(BaseServlet.java:197) at com.arsdigita.web.BaseServlet.doGet(BaseServlet.java:286) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) 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.arsdigita.shortcuts.ShortcutFilter.doService(ShortcutFilter.java:78) at com.arsdigita.web.BaseFilter.doFilter(BaseFilter.java:121) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at com.arsdigita.subsite.SubsiteFilter.doService(SubsiteFilter.java:106) at com.arsdigita.web.BaseFilter.doFilter(BaseFilter.java:121) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:165) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:654) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:750)