Method public java.lang.String org.ofbiz.widget.screen.ScreenRenderer.render(java.lang.String) throws org.ofbiz.base.util.GeneralException,java.io.IOException,org.xml.sax.SAXException,javax.xml.parsers.ParserConfigurationException threw an exception when invoked on org.ofbiz.widget.screen.ScreenRenderer@5d948a83 with arguments of types [java.lang.String,]
The problematic instruction:
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==> ${screens.render("component://ecommerce/widget/CONew2016/BestPracticesPageScreens.xml#trainings-article-detail")} [on line 9, column 17 in component://ecommerce/webapp/ecommerce/CONew2016/bestpractices/article_detail/contentDetailMain.ftl]
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Java backtrace for programmers:
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freemarker.template.TemplateModelException: Method public java.lang.String org.ofbiz.widget.screen.ScreenRenderer.render(java.lang.String) throws org.ofbiz.base.util.GeneralException,java.io.IOException,org.xml.sax.SAXException,javax.xml.parsers.ParserConfigurationException threw an exception when invoked on org.ofbiz.widget.screen.ScreenRenderer@5d948a83 with arguments of types [java.lang.String,]
at freemarker.ext.beans.OverloadedMethodModel.exec(OverloadedMethodModel.java:134)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Expression.getStringValue(Expression.java:93)
at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at org.ofbiz.base.util.template.FreeMarkerWorker.renderTemplate(FreeMarkerWorker.java:257)
at org.ofbiz.widget.screen.HtmlWidget.renderHtmlTemplate(HtmlWidget.java:225)
at org.ofbiz.widget.screen.HtmlWidget$HtmlTemplate.renderWidgetString(HtmlWidget.java:270)
at org.ofbiz.widget.screen.HtmlWidget.renderWidgetString(HtmlWidget.java:130)
at org.ofbiz.widget.screen.ModelScreenWidget$PlatformSpecific.renderWidgetString(ModelScreenWidget.java:920)
at org.ofbiz.widget.screen.ModelScreenWidget.renderSubWidgetsString(ModelScreenWidget.java:104)
at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:191)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:396)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:135)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:97)
at sun.reflect.GeneratedMethodAccessor64.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:866)
at freemarker.ext.beans.OverloadedMethodModel.exec(OverloadedMethodModel.java:104)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Expression.getStringValue(Expression.java:93)
at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at org.ofbiz.base.util.template.FreeMarkerWorker.renderTemplate(FreeMarkerWorker.java:257)
at org.ofbiz.widget.screen.HtmlWidget.renderHtmlTemplate(HtmlWidget.java:225)
at org.ofbiz.widget.screen.HtmlWidget$HtmlTemplate.renderWidgetString(HtmlWidget.java:270)
at org.ofbiz.widget.screen.HtmlWidget.renderWidgetString(HtmlWidget.java:130)
at org.ofbiz.widget.screen.ModelScreenWidget$PlatformSpecific.renderWidgetString(ModelScreenWidget.java:920)
at org.ofbiz.widget.screen.ModelScreenWidget.renderSubWidgetsString(ModelScreenWidget.java:104)
at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:191)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:396)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:135)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:97)
at org.ofbiz.widget.screen.MacroScreenViewHandler.render(MacroScreenViewHandler.java:104)
at org.ofbiz.webapp.control.RequestHandler.renderView(RequestHandler.java:865)
at org.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:582)
at org.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:547)
at org.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:547)
at org.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:224)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at com.metricstream.SEOServlet.dispatchEcommerceRequest(SEOServlet.java:287)
at com.metricstream.SEOServlet.findPattern(SEOServlet.java:236)
at com.metricstream.SEOServlet.doGet(SEOServlet.java:49)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.ofbiz.widget.screen.ScreenRenderException: Error rendering screen [component://ecommerce/widget/CONew2016/BestPracticesPageScreens.xml#trainings-article-detail]: java.lang.IllegalArgumentException: Error running script at location [component://ecommerce/webapp/ecommerce/WEB-INF/actions/CONew2016/bestpractices/article_detail/trainings_articleDetail.groovy]: javax.script.ScriptException: java.lang.NullPointerException: Cannot invoke method getString() on null object (Error running script at location [component://ecommerce/webapp/ecommerce/WEB-INF/actions/CONew2016/bestpractices/article_detail/trainings_articleDetail.groovy]: javax.script.ScriptException: java.lang.NullPointerException: Cannot invoke method getString() on null object)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:409)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:135)
at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:97)
at sun.reflect.GeneratedMethodAccessor64.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:866)
at freemarker.ext.beans.OverloadedMethodModel.exec(OverloadedMethodModel.java:104)
... 76 more
Caused by: java.lang.IllegalArgumentException: Error running script at location [component://ecommerce/webapp/ecommerce/WEB-INF/actions/CONew2016/bestpractices/article_detail/trainings_articleDetail.groovy]: javax.script.ScriptException: java.lang.NullPointerException: Cannot invoke method getString() on null object
at org.ofbiz.base.util.ScriptUtil.executeScript(ScriptUtil.java:348)
at org.ofbiz.base.util.ScriptUtil.executeScript(ScriptUtil.java:324)
at org.ofbiz.widget.ModelWidgetAction$Script.runAction(ModelWidgetAction.java:416)
at org.ofbiz.widget.ModelWidgetAction.runSubActions(ModelWidgetAction.java:116)
at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:184)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:396)
... 83 more

