type Exception report
message org.apache.jasper.JasperException: java.lang.NullPointerException
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:167) java.security.AccessController.doPrivileged(Native Method) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247) java.security.AccessController.doPrivileged(Native Method) java.security.AccessController.doPrivileged(Native Method) evidence.Main.doGet(Main.java:392) javax.servlet.http.HttpServlet.service(HttpServlet.java:618) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:167) java.security.AccessController.doPrivileged(Native Method) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247)
root cause
org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:167) java.security.AccessController.doPrivileged(Native Method) java.security.AccessController.doPrivileged(Native Method) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:934) org.apache.jsp.main_jsp._jspService(main_jsp.java:135) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:167) java.security.AccessController.doPrivileged(Native Method) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247) java.security.AccessController.doPrivileged(Native Method) java.security.AccessController.doPrivileged(Native Method) evidence.Main.doGet(Main.java:392) javax.servlet.http.HttpServlet.service(HttpServlet.java:618) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) sun.reflect.GeneratedMethodAccessor84.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:167) java.security.AccessController.doPrivileged(Native Method) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:549) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247)
root cause
java.lang.NullPointerException
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.15 logs.