I had this error and I cant solve it. I just want to make a list from oracle database on the web but I cant

SEVERE: Exception sending context initialized event to listener instance of class [org.springframework.web.util.Log4jConfigListener] java.lang.IllegalStateException: Web app root system property already set to different value: 'webapp.root' = [C:\Users\SOMUN\eclipse-workspace.metadata.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\CRUDWebAppMavenized] instead of [C:\Users\SOMUN\eclipse-workspace.metadata.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\Proje] - Choose unique values for the 'webAppRootKey' context-param in your web.xml files! at org.springframework.web.util.WebUtils.setWebAppRootSystemProperty(WebUtils.java:144) at org.springframework.web.util.Log4jWebConfigurer.initLogging(Log4jWebConfigurer.java:117) at org.springframework.web.util.Log4jConfigListener.contextInitialized(Log4jConfigListener.java:45) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4633) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5095) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1425) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1415) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:941) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:839) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1425) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1415) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:941) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:258) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:770) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:657) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:355) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:495)

-- -- This is web-xml. I think I have error this part but I cant find.

--I have error this part but I cant find.

    <context-param>
        <param-name>log4jConfigLocation</param-name>  
        <param-value>classpath:log4j.xml</param-value>
    </context-param>


    <listener>
        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>

    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>

</web-app>