xywuyiba6 发表于 2017-12-24 17:03:34

Tomcat启动报错:java.lang.NoSuchMethodException: org.apache.catalina.deploy.WebXml ad

  测试tomcat的comet
  Java.lang.NoSuchMethodException: org.apache.catalina.deploy.WebXml addServlet 异常
  因为工程中用到tomcat的catalina.jar,被部署到tomcat中时,这个包也跟着部署进去了,部署报异常
  2012-7-27 11:44:05 org.apache.catalina.startup.ContextConfig parseWebXml
  严重: Parse error in application web.xml file at jndi:/localhost/tomcat-comet/WEB-INF/web.xml
  java.lang.NoSuchMethodException: org.apache.catalina.deploy.WebXml addServlet
  at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2687)
  at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2713)
  at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1060)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2930)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
  at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
  at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1543)
  at org.apache.catalina.startup.ContextConfig.parseWebXml(ContextConfig.java:1694)
  at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1209)
  at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:882)
  at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:317)
  at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
  at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
  at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5081)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1279)
  at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1360)
  at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:294)
  at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
  at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
  at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1233)
  at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1391)
  at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1401)
  at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1380)
  at java.lang.Thread.run(Thread.java:619)
  开始以为是web.xml文件写错了,检查了没问题,后来搜索才发现是包冲突
  修改包的部署配置
右键project-> Properties-> myeclipse-> web -> deployment 修改 Lib...Policies 取消 default取消 jars from build path  (只勾选下面三个)
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