501 Internal server error (From WAS)

javax.servlet.forward.request_uri
/component/file/ND_directDownload.do
javax.servlet.forward.context_path
javax.servlet.forward.servlet_path
/component/file/ND_directDownload.do
javax.servlet.forward.query_string
fn=%EB%B6%99%EC%9E%842_%EC%97%AC%EC%84%B1%EC%B0%BD%EC%97%85%EA%B2%BD%EC%A7%84%EB%8C%80%ED%9A%8C+%EA%B0%9C%EC%9D%B8%EC%A0%95%EB%B3%B4+%EC%88%98%EC%A7%91%C2%B7%EC%9D%B4%EC%9A%A9%C2%B7%EC%A0%9C%EA%B3%B5+%EB%8F%99%EC%9D%98%EC%84%9C.hwp
encodingFilter.FILTERED
true
org.springframework.web.servlet.DispatcherServlet.THEME_SOURCE
WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed Apr 24 09:43:46 KST 2024]; parent: Root WebApplicationContext
org.springframework.web.servlet.DispatcherServlet.THEME_RESOLVER
org.springframework.web.servlet.theme.FixedThemeResolver@4f01b9cf
exception
org.springframework.web.bind.MissingServletRequestParameterException: Required String parameter 'fp' is not present
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.raiseMissingParameterException(AnnotationMethodHandlerAdapter.java:717)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveRequestParam(HandlerMethodInvoker.java:501)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArguments(HandlerMethodInvoker.java:340)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:171)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at zes.openworks.common.filter.XSSFilter.doFilter(XSSFilter.java:64)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129)
	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:311)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:776)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:705)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:898)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:662)
javax.servlet.error.servlet_name
dispatcher
javax.servlet.error.message
Required String parameter 'fp' is not present
javax.servlet.jsp.jstl.fmt.locale.request
ko_KR
org.springframework.web.servlet.HandlerMapping.uriTemplateVariables
{}
javax.servlet.jsp.jstl.fmt.localizationContext.request
org.springframework.web.servlet.support.JstlUtils$SpringLocalizationContext@3d9b3fde
javax.servlet.error.request_uri
/component/file/ND_directDownload.do
org.springframework.web.servlet.DispatcherServlet.CONTEXT
WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed Apr 24 09:43:46 KST 2024]; parent: Root WebApplicationContext
javax.servlet.error.status_code
200
javax.servlet.error.exception_type
class org.springframework.web.bind.MissingServletRequestParameterException
org.springframework.web.servlet.HandlerMapping.pathWithinHandlerMapping
/component/file/ND_directDownload.do
com.opensymphony.sitemesh.APPLIED_ONCE
true
javax.servlet.error.exception
org.springframework.web.bind.MissingServletRequestParameterException: Required String parameter 'fp' is not present
org.springframework.web.servlet.HandlerMapping.bestMatchingPattern
/component/file/ND_directDownload.do
org.springframework.web.servlet.DispatcherServlet.LOCALE_RESOLVER
org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver@7495b81a