Question

Tomcat启动好了，但是项目运行不了

十月 20, 2015 3:31:29 下午 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(G:\Program Files\tomcat\webapps\Haha\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
十月 20, 2015 3:31:29 下午 org.apache.tomcat.util.digester.Digester endElement
严重: End event threw exception
java.lang.NoSuchMethodException: org.apache.catalina.deploy.WebXml addServlet

十月 20, 2015 3:31:29 下午 org.apache.catalina.startup.ContextConfig parseWebXml
严重: Parse error in application web.xml file at jndi:/localhost/Haha/WEB-INF/web.xml
org.xml.sax.SAXParseException; systemId: jndi:/localhost/Haha/WEB-INF/web.xml; lineNumber: 19; columnNumber: 13; Error at (19, 13) : org.apache.catalina.deploy.WebXml addServlet
at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2705)
at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2737)
at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1063)

Caused by: java.lang.NoSuchMethodException: org.apache.catalina.deploy.WebXml addServlet
at org.apache.tomcat.util.IntrospectionUtils.callMethod1(IntrospectionUtils.java:849)
at org.apache.tomcat.util.digester.SetNextRule.end(SetNextRule.java:201)
at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1060)
... 29 more
十月 20, 2015 3:31:29 下午 org.apache.catalina.startup.ContextConfig parseWebXml
严重: Occurred at line 19 column 13
十月 20, 2015 3:31:29 下午 org.apache.catalina.startup.ContextConfig configureStart
严重: Marking this application unavailable due to previous error(s)

Answer 1

web.xml文件有错误，导致tomcat解析出错，估计是web.xml里面的元素不符合标准的dtd格式