java.io.IOException: Server returned HTTP response code: 403 for URL: http://ms365.halla.ac.kr:8001
sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
org.apache.jsp.office365.office_jsp._jspService(office_jsp.java:257)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:64)
javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:446)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:356)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:307)
javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:306)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:424)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:935)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1792)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1189)
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:658)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
java.lang.Thread.run(Thread.java:748)