org.apache.jasper.JasperException
org.apache.jasper.JasperException: org.apache.jasper.JasperException: java.lang.NullPointerException at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:589) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:489) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:376) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:324) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:641) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:517) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:460) at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:994) at org.apache.jsp.WEB_002dINF.jsp.home.comic_jsp._jspService(comic_jsp.java:166) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:376) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:324) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.eum.http.VisitorFilter.doFilter(VisitorFilter.java:41) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:936) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: org.apache.jasper.JasperException: java.lang.NullPointerException at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:589) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:376) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:324) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:641) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:517) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:460) at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:994) at org.apache.jsp.WEB_002dINF.jsp.template_jsp._jspService(template_jsp.java:239) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) ... 41 more Caused by: java.lang.NullPointerException