General Principles of Software Validation; Final Guidance for Industry and FDA Staff
Abstract:This guidance outlines general validation principles that the Food and Drug Administration (FDA) considers to be applicable to the validation of medical device software or the validation of software used to design, develop, or manufacture medical devices. This final guidance document, Version 2.0, supersedes the draft document, General Principles of Software Validation, Version 1.1, dated June 9, 1997.
This guidance applies to:
- Software used as a component, part, or accessory of a medical device;
- Software that is itself a medical device (e.g., blood establishment software);
- Software used in the production of a device (e.g., programmable logic controllers in manufacturing equipment); and
- Software used in implementation of the device manufacturer's quality system (e.g., software that records and maintains the device history record).
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@70b788df with arguments of types [java.lang.String,]
The problematic instruction:
----------
==> ${screens.render("component://ecommerce/widget/CONew2016/BestPracticesPageScreens.xml#trainings-article-detail")} [on line 9, column 17 in component://ecommerce/webapp/ecommerce/CONew2016/bestpractices/article_detail/content_Main.ftl]
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Java backtrace for programmers:
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freemarker.template.TemplateModelException: Method public java.lang.String org.ofbiz.widget.screen.ScreenRenderer.render(java.lang.String) throws org.ofbiz.base.util.GeneralException,java.io.IOException,org.xml.sax.SAXException,javax.xml.parsers.ParserConfigurationException threw an exception when invoked on org.ofbiz.widget.screen.ScreenRenderer@70b788df with arguments of types [java.lang.String,]
at freemarker.ext.beans.OverloadedMethodModel.exec(OverloadedMethodModel.java:134)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Expression.getStringValue(Expression.java:93)
at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at org.ofbiz.base.util.template.FreeMarkerWorker.renderTemplate(FreeMarkerWorker.java:257)
at org.ofbiz.widget.screen.HtmlWidget.renderHtmlTemplate(HtmlWidget.java:225)
at org.ofbiz.widget.screen.HtmlWidget$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.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)
... 74 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)
... 81 more
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@70b788df with arguments of types [java.lang.String,]
The problematic instruction:
----------
==> ${screens.render("component://ecommerce/widget/CONew2016/BestPracticesPageScreens.xml#bottom-right-banner-article-detail")} [on line 12, column 17 in component://ecommerce/webapp/ecommerce/CONew2016/bestpractices/article_detail/content_Main.ftl]
----------
Java backtrace for programmers:
----------
freemarker.template.TemplateModelException: Method public java.lang.String org.ofbiz.widget.screen.ScreenRenderer.render(java.lang.String) throws org.ofbiz.base.util.GeneralException,java.io.IOException,org.xml.sax.SAXException,javax.xml.parsers.ParserConfigurationException threw an exception when invoked on org.ofbiz.widget.screen.ScreenRenderer@70b788df with arguments of types [java.lang.String,]
at freemarker.ext.beans.OverloadedMethodModel.exec(OverloadedMethodModel.java:134)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Expression.getStringValue(Expression.java:93)
at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:221)
at freemarker.core.Environment.process(Environment.java:199)
at org.ofbiz.base.util.template.FreeMarkerWorker.renderTemplate(FreeMarkerWorker.java:257)
at org.ofbiz.widget.screen.HtmlWidget.renderHtmlTemplate(HtmlWidget.java:225)
at org.ofbiz.widget.screen.HtmlWidget$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.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#bottom-right-banner-article-detail]: org.ofbiz.entity.transaction.GenericTransactionException: The current transaction is marked for rollback, not beginning a new transaction and aborting current operation; the rollbackOnly was caused by: 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 objectjava.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) (The current transaction is marked for rollback, not beginning a new transaction and aborting current operation; the rollbackOnly was caused by: 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 objectjava.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:423)
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)
... 74 more
Caused by: org.ofbiz.entity.transaction.GenericTransactionException: The current transaction is marked for rollback, not beginning a new transaction and aborting current operation; the rollbackOnly was caused by: 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 objectjava.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.entity.transaction.TransactionUtil.begin(TransactionUtil.java:159)
at org.ofbiz.entity.transaction.TransactionUtil.begin(TransactionUtil.java:127)
at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:388)
... 81 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)
... 81 more