摘要:本文将带你了解webApp源码之Jetty启动webApp报错的原因,希望本文对大家学WEBAPP有所帮助。
如下:
[java] view plain copy 1. 2016-07-06 10:24:47.748:INFO::Logging to STDERR via org.mortbay.log.StdErrLog 2. 2016-07-06 10:24:47.764:INFO::jetty-6.1.25 3. 2016-07-06 10:24:47.826:INFO::NO JSP Support for /myWeb, did not find org.apache.jasper.servlet.JspServlet 4. log4j:WARN No appenders could be found for logger (org.apache.struts.util.PropertyMessageResources). 5. log4j:WARN Please initialize the log4j system properly. 6. 2016-07-06 10:24:48.216:WARN::EXCEPTION 7. java.lang.ClassNotFoundException: org.eclipse.jetty.servlet.DefaultServlet 8. at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 9. at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 10. at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) 11. at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 12. at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:401) 13. at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:363) 14. at org.mortbay.util.Loader.loadClass(Loader.java:91) 15. at org.mortbay.util.Loader.loadClass(Loader.java:71) 16. at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73) 17. at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242) 18. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 19. at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685) 20. at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) 21. at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1272) 22. at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 23. at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:489) 24. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 25. at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 26. at org.mortbay.jetty.Server.doStart(Server.java:224) 27. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 28. at com.heroinex.install.install.main(install.java:31) 29. 2016-07-06 10:24:48.216:INFO:/myWeb:Unavailable javax.servlet.UnavailableException: org.eclipse.jetty.servlet.DefaultServlet 30. 2016-07-06 10:24:48.216:WARN::failed default: java.lang.NullPointerException 31. 2016-07-06 10:24:48.216:WARN::Failed startup of context org.mortbay.jetty.webapp.WebAppContext@36f0f1be{/myWeb,webapps/myWeb} 32. java.lang.NullPointerException 33. at java.lang.Class.isAssignableFrom(Native Method) 34. at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256) 35. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 36. at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685) 37. at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) 38. at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1272) 39. at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 40. at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:489) 41. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 42. at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 43. at org.mortbay.jetty.Server.doStart(Server.java:224) 44. at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 45. at com.heroinex.install.install.main(install.java:31) 46. 2016-07-06 10:24:48.263:INFO::Started SelectChannelConnector@0.0.0.0:17000 加上依赖就行了: [html] view plain copy 1. <dependency> 2. <groupId>org.eclipse.jetty</groupId> 3. <artifactId>jetty-server</artifactId> 4. <version>7.2.2.v20101205</version> 5. </dependency> 6. <dependency> 7. <groupId>org.eclipse.jetty</groupId> 8. <artifactId>jetty-webapp</artifactId> 9. <version>7.2.2.v20101205</version> 10. </dependency> 11. 12. <dependency> 13. <groupId>org.eclipse.jetty</groupId> 14. <artifactId>jetty-jsp-2.1</artifactId> 15. <version>7.2.2.v20101205</version> 16. </dependency> 17. <dependency> 18. <groupId>org.mortbay.jetty</groupId> 19. <artifactId>jsp-2.1-glassfish</artifactId> 20. <version>2.1.v20100127</version> 21. </dependency>
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