※ 필수입력정보 ※

▷ 제품버젼 :
▷ 사용중인 주소(URL) : http://
▷ 문제발생시 메뉴/주소 :
▷ 문제발생시 에러메세지
:

▷ 질문내용
: 도구모음에서 외부메일설정을 하고나면 다음과 같은 에러가 뜹니다.
잘 사용이 되는것 같더니 갑자기 그러네요
Error: 500
Location: /source/mail/pop3/pop3_client.jsp
Internal Servlet Error:

javax.servlet.ServletException
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:459)
at source.mail.pop_00033._0002fsource_0002fmail_0002fpop_00033_0002fpop_00033_0005fclient_0002ejsppop3_0005fclient_jsp_0._jspService(_0002fsource_0002fmail_0002fpop_00033_0002fpop_00033_0005fclient_0002ejsppop3_0005fclient_jsp_0.java:922)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspCountedServlet.service(JspServlet.java:130)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:282)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:429)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:500)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
at org.apache.tomcat.core.Handler.service(Handler.java:287)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:812)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:758)
at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
at java.lang.Thread.run(Thread.java:484)

Root cause:
java.lang.NullPointerException
at source.mail.pop_00033._0002fsource_0002fmail_0002fpop_00033_0002fpop_00033_0005fclient_0002ejsppop3_0005fclient_jsp_0._jspService(_0002fsource_0002fmail_0002fpop_00033_0002fpop_00033_0005fclient_0002ejsppop3_0005fclient_jsp_0.java:457)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)

이하생략