hehe388 2008-10-28 09:28
浏览 235
已采纳

DWR学习中遇到的问题请高人帮助

java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at org.directwebremoting.dwrp.PollHandler.<clinit>(PollHandler.java:443)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
2008-10-28 9:24:46 org.apache.catalina.core.StandardWrapperValve invoke
严重: Allocate exception for servlet dwr
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at org.directwebremoting.dwrp.PollHandler.<clinit>(PollHandler.java:443)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
2008-10-28 9:24:46 org.apache.catalina.core.ApplicationContext log
严重: StandardWrapper.Throwable
java.lang.NoClassDefFoundError: Could not initialize class org.directwebremoting.servlet.PlainPollHandler
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
2008-10-28 9:24:46 org.apache.catalina.core.StandardWrapperValve invoke
严重: Allocate exception for servlet dwr
java.lang.NoClassDefFoundError: Could not initialize class org.directwebremoting.servlet.PlainPollHandler
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
2008-10-28 9:24:46 org.apache.catalina.core.ApplicationContext log
严重: StandardWrapper.Throwable
java.lang.NoClassDefFoundError: Could not initialize class org.directwebremoting.servlet.PlainPollHandler
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
2008-10-28 9:24:46 org.apache.catalina.core.StandardWrapperValve invoke
严重: Allocate exception for servlet dwr
java.lang.NoClassDefFoundError: Could not initialize class org.directwebremoting.servlet.PlainPollHandler
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.directwebremoting.impl.ContainerUtil.class$(ContainerUtil.java:97)
at org.directwebremoting.impl.ContainerUtil.setupDefaults(ContainerUtil.java:150)
at org.directwebremoting.impl.ContainerUtil.setupDefaultContainer(ContainerUtil.java:125)
at org.directwebremoting.servlet.DwrServlet.init(DwrServlet.java:73)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)

 


问题补充:
zhjb2000 commons-logging.jar 缺了这个包



在看DWR文档的时候 并没有说要引入这个包啊
问题补充:
zhjb2000 谢谢你的回答 但是你的回答还不能解决我的疑问。如果实在没有更好答案就给分给你了
问题补充:
疑问。。我第一次写DWR程序的时候是直接再我以前写的Struts项目下面写的DWR程序。当时并没有报缺少commons-logging.jar 错误(因为有这个包)。后来自己建了个工程写了个最简单的例子。就报了 我上面发的错误。实在不解,于是我导入了Struts jar包(包含commons-logging.jar ),新写的例子就可以用了。最后我又删除了Struts jar包(commons-logging.jar 也删除了)工程照样可以运行。。
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5条回答 默认 最新

  • iteye_21049 2008-10-28 09:35
    关注

    commons-logging.jar 缺了这个包

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
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