白羽
2018-07-04
来源 :网络
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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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