>> Read No. 46253 article  
[질문]JSP에서 컴파일이 되지 않습니다.

등록 2002-04-04 23:06:00     조회 2
이름 andraGon    

		서버컴을 바꾸고(싱글CPU --> 더블CPU로) 평소사용하던 jdk, MySQL,
jakarta-tomcat 디렉토리를
그대로 새컴에 복사하고 실행을 시켰더니 다음과 같은 오류가 나옵니다.
아래에 오류메세지가 나오지만 Refresh버튼을 누르면 정상으로 보이는데,
.jsp 파일을 수정하니까 웹페이지가 더이상 뜨지도 않고, 오류메세지도
출력하지 않습니다.
 jdk, MySQL, jakarta-tomcat을 새로 설치해도 JSP컴파일을 할 수 없는 건
마찬가지 였습니다.
   ===오류메세지===
type Exception report
 message Internal Server Error
 description The server encountered an internal error (Internal Server
Error) that prevented it from fulfilling this request.
 exception
 javax.servlet.ServletException: duplicate class definition:
org/apache/jasper/runtime/HttpJspBase
	at org.apache.jasper.servlet.JspServlet.service
(JspServlet.java:484)
	at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:201)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2344)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:164)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:462)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:163)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1011)
	at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1106)
	at java.lang.Thread.run(Thread.java:484)
  root cause
 java.lang.LinkageError: duplicate class definition:
org/apache/jasper/runtime/HttpJspBase
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
	at java.security.SecureClassLoader.defineClass
(SecureClassLoader.java:111)
	at java.net.URLClassLoader.defineClass
(URLClassLoader.java:248)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at org.apache.catalina.loader.StandardClassLoader.findClass
(StandardClassLoader.java:671)
	at org.apache.catalina.loader.StandardClassLoader.loadClass
(StandardClassLoader.java:1090)
	at org.apache.catalina.loader.StandardClassLoader.loadClass
(StandardClassLoader.java:989)
	at org.apache.catalina.loader.WebappClassLoader.loadClass
(WebappClassLoader.java:1293)
	at org.apache.catalina.loader.WebappClassLoader.loadClass
(WebappClassLoader.java:1156)
	at org.apache.jasper.servlet.JasperLoader.loadClass
(JasperLoader.java:198)
	at org.apache.jasper.servlet.JasperLoader.loadClass
(JasperLoader.java:132)
	at java.lang.ClassLoader.loadClassInternal
(ClassLoader.java:313)
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:426)
	at org.apache.jasper.servlet.JasperLoader.loadClass
(JasperLoader.java:216)
	at org.apache.jasper.servlet.JasperLoader.loadClass
(JasperLoader.java:132)
	at org.apache.jasper.servlet.JspServlet.loadJSP
(JspServlet.java:575)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary
(JspServlet.java:177)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
(JspServlet.java:189)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:382)
	at org.apache.jasper.servlet.JspServlet.service
(JspServlet.java:474)
	at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:201)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2344)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:164)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:462)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:163)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:943)
	at org.apache.catalina.connector.http.HttpProcessor.process
(HttpProcessor.java:1011)
	at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1106)
	at java.lang.Thread.run(Thread.java:484)
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