수다닷컴

A.jsp에서 B.java에 있는 B-1이라는 method를 호출하면 실행이 잘 됩니다.
그런데 B.java에 B-2이라는 method를 만들어 컴파일도 다 잘됐는데
(컴파일 당시 B-2메소드의 내용에 컴파일러가 일러준 문법에러가 나타나 수정한 후 컴파일 에러가 없음을 확인한 상태입니다.)
A.jsp에서 B-2를 호출하면 NoSuchMethodError가 뜨니, 정말 어찌해야 할지 모르겠습니다.바쁘시겠지만, 브라우저에 뜬 error내용을 올립니다.
원인이 무엇일지 잘 아시는 분의 답변을 기다리겠습니다.

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Error: 500
Location: /plaza/board/event_ok.jsp
Internal Servlet Error:

javax.servlet.ServletException
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:508)
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.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
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.NoSuchMethodError
at plaza.board._0002fplaza_0002fboard_0002fevent_0005fok_0002ejspevent_0005fok_jsp_2._jspService(_0002fplaza_0002fboard_0002fevent_0005fok_0002ejspevent_0005fok_jsp_2.java:176)
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.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
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)

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읽어주셔서 감사합니다..

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