<分区>
每次我创建一个新项目并运行它时，我都会得到找不到错误
这是控制台日志:
Sep 10, 2015 11:58:31 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_60\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.8.0_60/bin/client;C:/Program Files/Java/jre1.8.0_60/bin;C:/Program Files/Java/jre1.8.0_60/lib/i386;C:\ProgramData\Oracle\Java\javapath;C:\oracle\ora92\bin;C:\Program Files\Oracle\jre\1.3.1\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files\Seagate Software\NOTES\;C:\Program Files\Seagate Software\NOTES\DATA\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;F:\Sources\eclipse;;.
Sep 10, 2015 11:58:31 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Sep 10, 2015 11:58:31 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Sep 10, 2015 11:58:31 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1545 ms
Sep 10, 2015 11:58:31 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Sep 10, 2015 11:58:31 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.64
Sep 10, 2015 11:58:32 AM org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [156] milliseconds.
Sep 10, 2015 11:58:32 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\Courses.xml
Sep 10, 2015 11:58:32 AM org.apache.catalina.startup.SetContextPropertiesRule begin
WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Courses' did not find a matching property.
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.TldConfig execute
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deployment of configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\Courses.xml has finished in 3,819 ms
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\CoursesPro.xml
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.SetContextPropertiesRule begin
WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:CoursesPro' did not find a matching property.
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deployment of configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\CoursesPro.xml has finished in 33 ms
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\CoursesTest.xml
Sep 10, 2015 11:58:36 AM org.apache.catalina.startup.SetContextPropertiesRule begin
WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:CoursesTest' did not find a matching property.
Sep 10, 2015 11:58:37 AM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\CoursesTest\WEB-INF\lib\javax.servlet-api-3.0.1.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
Sep 10, 2015 11:58:39 AM org.apache.catalina.startup.TldConfig execute
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Sep 10, 2015 11:58:39 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deployment of configuration descriptor F:\Java projects\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\conf\Catalina\localhost\CoursesTest.xml has finished in 3,721 ms
Sep 10, 2015 11:58:39 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Sep 10, 2015 11:58:39 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Sep 10, 2015 11:58:39 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 8231 ms**