JFinal框架启动时遇到的问题

今天一项目用JFinal 用jetty-server的修改代码后报

java.lang.NoClassDefFoundError: org/apache/juli/logging/LogFactory
	at org.apache.jasper.servlet.JspServlet.<init>(JspServlet.java:61)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at java.lang.Class.newInstance0(Class.java:357)
	at java.lang.Class.newInstance(Class.java:310)
	at org.eclipse.jetty.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1077)
	at org.eclipse.jetty.servlet.ServletHolder.newInstance(ServletHolder.java:942)
	at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:501)
	at org.eclipse.jetty.servlet.ServletHolder.doStart(ServletHolder.java:331)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
	at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:747)
	at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265)
	at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
	at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706)
	at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492)
	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
	at com.jfinal.server.JettyServer$1.onChange(JettyServer.java:106)
	at com.jfinal.server.Scanner.compare(Scanner.java:87)
	at com.jfinal.server.Scanner.working(Scanner.java:56)
	at com.jfinal.server.Scanner.access$0(Scanner.java:54)
	at com.jfinal.server.Scanner$1.run(Scanner.java:93)
	at java.util.TimerThread.mainLoop(Timer.java:512)
	at java.util.TimerThread.run(Timer.java:462)
Caused by: 
java.lang.ClassNotFoundException: org.apache.juli.logging.LogFactory

这种情况是因为tomcat的包配置不正确引起的

移除掉tomcat的Library就可以了

右键项目--Build Path--Configure Build Path...--Libraries--tomcat 移除掉

截图如下：

找到Tomcat Library ,然后Remove