1. ์ ์ฒด ์๋ฌ๋ก๊ทธ(์ ์ด๋ /์ค์์ฃผ์)
HTTP Status 500 – Internal Server Error
Type Exception Report
Message An exception occurred processing JSP page /index.jsp at line 9
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 9 6: <title></title> 7: </head> 8: <body> 9: <jsp:forward page="--๊ฐ๋ ค๋ก๋๋ค" /> 10: </body> 11: </html> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:579) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:461) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause
javax.servlet.ServletException: Servlet.init() for servlet action threw exception org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) org.apache.jsp.index_jsp._jspService(index_jsp.java:118) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0': Cannot create inner bean 'blueMoonAdmin.common.resolver.CustomMapArgumentResolver#0' of type [blueMoonAdmin.common.resolver.CustomMapArgumentResolver] while setting bean property 'customArgumentResolvers' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'blueMoonAdmin.common.resolver.CustomMapArgumentResolver#0' defined in ServletContext resource [/WEB-INF/config/action-servlet.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [blueMoonAdmin.common.resolver.CustomMapArgumentResolver]: Constructor threw exception; nested exception is java.lang.Error: Unresolved compilation problems: The import org.apache.log4j cannot be resolved Logger cannot be resolved to a type Logger cannot be resolved org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:287) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:358) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:157) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1419) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1160) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) org.apache.jsp.index_jsp._jspService(index_jsp.java:118) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'blueMoonAdmin.common.resolver.CustomMapArgumentResolver#0' defined in ServletContext resource [/WEB-INF/config/action-servlet.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [blueMoonAdmin.common.resolver.CustomMapArgumentResolver]: Constructor threw exception; nested exception is java.lang.Error: Unresolved compilation problems: The import org.apache.log4j cannot be resolved Logger cannot be resolved to a type Logger cannot be resolved org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1039) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:276) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:358) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:157) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1419) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1160) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) org.apache.jsp.index_jsp._jspService(index_jsp.java:118) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause
org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [blueMoonAdmin.common.resolver.CustomMapArgumentResolver]: Constructor threw exception; nested exception is java.lang.Error: Unresolved compilation problems: The import org.apache.log4j cannot be resolved Logger cannot be resolved to a type Logger cannot be resolved org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163) org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:276) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:358) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:157) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1419) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1160) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) org.apache.jsp.index_jsp._jspService(index_jsp.java:118) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause
java.lang.Error: Unresolved compilation problems: The import org.apache.log4j cannot be resolved Logger cannot be resolved to a type Logger cannot be resolved blueMoonAdmin.common.resolver.CustomMapArgumentResolver.<init>(CustomMapArgumentResolver.java:7) sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) java.lang.reflect.Constructor.newInstance(Unknown Source) org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148) org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:276) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:358) org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:157) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1419) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1160) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:636) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:938) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:742) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:712) org.apache.jsp.index_jsp._jspService(index_jsp.java:118) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) 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:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Note The full stack trace of the root cause is available in the server logs.
Apache Tomcat/8.0.53
2. 500์๋ฌ. ๊ทผ๋ณธ์ ์ผ๋ก log4j๋ฅผ ๋ชป์ฐพ๋ ๋ฌธ์ ์๋ค.(๊ทธ ์ธ ์ฌ๋ฌ ๋ฌธ์ ๋ ์์์ง๋ง)
(1) pom.xml์ log4j <dependency>๋ฅผ ์ถ๊ฐํด๋ ์ฌ์ ํ ์๋ฌ.
Maven Repository: log4j » log4j » 1.2.17
log4j log4j 1.2.17 // https://mvnrepository.com/artifact/log4j/log4j compile group: 'log4j', name: 'log4j', version: '1.2.17' // https://mvnrepository.com/artifact/log4j/log4j libraryDependencies += "log4j" % "log4j" % "1.2.17" // https://mvnrepository.com
mvnrepository.com
(2) ์๋์ ๋งํฌ๋๋ก ์์ ํด๋ ์๋ฌ.
maven ์์ log4j ์ฌ์ฉ์ dependancy ์๋ฌ
log4j 1.2.15์ 1.2.17 ์ ์ฌ์ฉํ ๊ฒฝ์ฐ ๋ค์ ์๋ฌ ๋ฐ์
www.lesstif.com
(3) ๋ผ์ด๋ธ๋ฌ๋ฆฌ๋ฅผ ์๋ก ์ถ๊ฐํด์ค๋ ์๋ฌ.
(4) ํ๋ก์ ํธ์ jdk ๋ฒ์ ๊ณผ, tomcat๋ฒ์ ์ ์ ํํ ๋ง์ถ ๋ค Runํด๋ ์๋ฌ.
3. ํด๊ฒฐ๋ฐฉ๋ฒ
STS์ผ๋ก ์ด์๋ ํ๋ก์ ํธ๋ฅผ ์ดํด๋ฆฝ์ค๋ก ์ด์๋๋ 500์๋ฌ ์์ด ์คํ๋์๋ค.(ํ๋ก์ ํธ์ Xํ์๊ฐ ๋ ์์ง๋ง ์คํ๋จ)
(*์๋์ฐ10 ํ๊ฒฝ์์๋ ์คํ๋์ง๋ง ๋งฅ์์๋ ์ดํด๋ฆฝ์ค๋ก๋ ์คํ๋์ง ์๋ ๊ฒ ๊ฐ๋ค.)