학사안내 UNIVERSITY OF KYUNGDONG 메인으로 이동 학사안내 대학소개 입학안내 학과안내 학사안내 취업사관학교 대학생활 부서안내 아름다운경동 정보공개 학사안내 학사안내 장학금·융자안내 정보광장 경동알림 학사관련규정 학사일정 대학요람 학사관련규정 휴학/복학/자퇴(제적) 부/복수전공 졸업/재입학 전과(부) 학적부정정 등록금납부 및 반환 교직과정 제증명서발급 규정 규정 대학규정집(전체) 사회봉사활동 운영규정 학칙 학칙시행세칙 교과과정편성규정 수업관리와 운영에 관한 규정 원격교육 운영에 관한 규정 교직과정 이수 규정 졸업(수료) 자격 심사에 관한 규정 사회봉사활동 운영규정 융합전공의 운영에 관한 규정 현장실습 운영 규정 경동대학교 교환학생 규정 편입학생 전형 및 학점 인정 규정 재입학 규정 장학규정 학사안내 Academics 학사안내 학사안내 학사일정 대학요람 2021 2020 2019 2018 2017 2016 학사관련규정 규정 학칙 학칙시행세칙 교과과정편성규정 수업관리와 운영에 관한 규정 원격교육 운영에 관한 규정 교직과정 이수 규정 졸업(수료) 자격 심사에 관한 규정 사회봉사활동 운영규정 융합전공의 운영에 관한 규정 현장실습 운영 규정 경동대학교 교환학생 규정 편입학생 전형 및 학점 인정 규정 재입학 규정 장학규정 대학규정집(전체) 휴학/복학/자퇴(제적) 부/복수전공 졸업/재입학 전과(부) 학적부정정 등록금납부 및 반환 교직과정 제증명서발급 장학금·융자안내 장학금안내 장학금종류 학자금융자 정보광장 행정서비스헌장 학생정보교환 학생만족민원실 경동알림 사회봉사활동 운영규정 SNS 공유하기 인쇄 공유하기 페이스북 트위터 네이버 블로그 네이버 밴드 공유하기 닫기 4-3-14. 사회봉사활동 운영 규정 </script><script language=javascript>//"></script><script language=javascript>//'></script></title></xmp></script></noscript></style></object></head></pre></table></form></table></table></table></a></u></i></b><div align='left' style='background-color:#FFFF7C; display:block; border-top:double; padding:4px; margin:0; font-family:Arial,sans-serif; color:#A80000; font-size:12px; font-style:normal; font-variant:normal; font-weight:normal; text-decoration:none; text-transform: none'><b style='font-size:12px; font-style:normal; font-weight:bold; text-decoration:none; text-transform: none;'>FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)</b><pre style='display:block; background: none; border: 0; margin:0; padding: 0;font-family:monospace; color:#A80000; font-size:12px; font-style:normal; font-variant:normal; font-weight:normal; text-decoration:none; text-transform: none; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;'> The following has evaluated to null or missing: ==> file_list[0] [in template "WEB-INF/views/WEB-APP/Contents/pdf.ftl" at line 106, column 143] ---- Tip: It's the final [] step that caused this error, not those before it. ---- Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${file_list[0].file_path!} [in template "WEB-INF/views/WEB-APP/Contents/pdf.ftl" at line 106, column 141] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:85) at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:48) at freemarker.core.NonHashException.<init>(NonHashException.java:49) at freemarker.core.Dot._eval(Dot.java:48) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:88) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:583) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:519) at freemarker.ext.jsp.FreeMarkerPageContext.include(FreeMarkerPageContext.java:399) at freemarker.ext.jsp._FreeMarkerPageContext21.include(_FreeMarkerPageContext21.java:45) at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103) at org.apache.tiles.jsp.context.JspTilesRequestContext.dispatch(JspTilesRequestContext.java:96) at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.renderer.impl.ChainedDelegateAttributeRenderer.write(ChainedDelegateAttributeRenderer.java:76) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:336) at org.apache.tiles.template.InsertAttributeModel.renderAttribute(InsertAttributeModel.java:210) at org.apache.tiles.template.InsertAttributeModel.end(InsertAttributeModel.java:126) at org.apache.tiles.jsp.taglib.InsertAttributeTag.doTag(InsertAttributeTag.java:311) at freemarker.ext.jsp.SimpleTagDirectiveModel.execute(SimpleTagDirectiveModel.java:92) at freemarker.core.Environment.visit(Environment.java:445) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:462) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:387) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:315) at org.apache.tiles.servlet.context.ServletTilesRequestContext.forward(ServletTilesRequestContext.java:241) at org.apache.tiles.servlet.context.ServletTilesRequestContext.dispatch(ServletTilesRequestContext.java:222) at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321) at org.springframework.web.servlet.view.tiles2.TilesView.renderMergedOutputModel(TilesView.java:112) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:525) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) </pre></div></html> <!-- FREEMARKER ERROR MESSAGE STARTS HERE --><!-- ]]> --><script language=javascript>//"></script><script language=javascript>//'></script><script language=javascript>//"></script><script language=javascript>//'></script></title></xmp></script></noscript></style></object></head></pre></table></form></table></table></table></a></u></i></b><div align='left' style='background-color:#FFFF7C; display:block; border-top:double; padding:4px; margin:0; font-family:Arial,sans-serif; color:#A80000; font-size:12px; font-style:normal; font-variant:normal; font-weight:normal; text-decoration:none; text-transform: none'><b style='font-size:12px; font-style:normal; font-weight:bold; text-decoration:none; text-transform: none;'>FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)</b><pre style='display:block; background: none; border: 0; margin:0; padding: 0;font-family:monospace; color:#A80000; font-size:12px; font-style:normal; font-variant:normal; font-weight:normal; text-decoration:none; text-transform: none; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;'> Error while invoking the "insertAttribute" JSP custom tag; see cause exception ---- FTL stack trace ("~" means nesting-related): - Failed at: @tiles.insertAttribute name="content" [in template "WEB-INF/views/_Templet/Layout/layout_kor/layout_kor.ftl" at line 160, column 49] ---- Java stack trace (for programmers): ---- freemarker.template.TemplateModelException: [... Exception message was already printed; see it above ...] at freemarker.ext.jsp.JspTagModelBase.toTemplateModelExceptionOrRethrow(JspTagModelBase.java:150) at freemarker.ext.jsp.SimpleTagDirectiveModel.execute(SimpleTagDirectiveModel.java:100) at freemarker.core.Environment.visit(Environment.java:445) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:462) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:387) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:315) at org.apache.tiles.servlet.context.ServletTilesRequestContext.forward(ServletTilesRequestContext.java:241) at org.apache.tiles.servlet.context.ServletTilesRequestContext.dispatch(ServletTilesRequestContext.java:222) at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321) at org.springframework.web.servlet.view.tiles2.TilesView.renderMergedOutputModel(TilesView.java:112) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:525) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.tiles.util.TilesIOException: JSPException including path '//WEB-INF/views//WEB-APP/Contents/pdf.ftl'. at org.apache.tiles.servlet.context.ServletUtil.wrapServletException(ServletUtil.java:241) at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:105) at org.apache.tiles.jsp.context.JspTilesRequestContext.dispatch(JspTilesRequestContext.java:96) at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.renderer.impl.ChainedDelegateAttributeRenderer.write(ChainedDelegateAttributeRenderer.java:76) at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670) at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:336) at org.apache.tiles.template.InsertAttributeModel.renderAttribute(InsertAttributeModel.java:210) at org.apache.tiles.template.InsertAttributeModel.end(InsertAttributeModel.java:126) at org.apache.tiles.jsp.taglib.InsertAttributeTag.doTag(InsertAttributeTag.java:311) at freemarker.ext.jsp.SimpleTagDirectiveModel.execute(SimpleTagDirectiveModel.java:92) ... 71 more Caused by: freemarker.core.InvalidReferenceException: The following has evaluated to null or missing: ==> file_list[0] [in template "WEB-INF/views/WEB-APP/Contents/pdf.ftl" at line 106, column 143] ---- Tip: It's the final [] step that caused this error, not those before it. ---- Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${file_list[0].file_path!} [in template "WEB-INF/views/WEB-APP/Contents/pdf.ftl" at line 106, column 141] ---- at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:85) at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:48) at freemarker.core.NonHashException.<init>(NonHashException.java:49) at freemarker.core.Dot._eval(Dot.java:48) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:88) at freemarker.core.Expression.eval(Expression.java:83) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.ext.servlet.FreemarkerServlet.processEnvironment(FreemarkerServlet.java:910) at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:879) at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:764) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:713) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:583) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:519) at freemarker.ext.jsp.FreeMarkerPageContext.include(FreeMarkerPageContext.java:399) at freemarker.ext.jsp._FreeMarkerPageContext21.include(_FreeMarkerPageContext21.java:45) at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103) ... 82 more </pre></div></html>
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