More than one fragment with the name [spring_web] was found. This is not legal ...

 今天在搭建springweb应用环境的时候启动tomcat报错More than one fragment with the name [spring_web] was found. This is not legal ...

···
Caused by: java.lang.IllegalArgumentException: More than one fragment with the name [spring_web] was found. This is not legal with relative ordering. See section 8.2.2 2c of the Servlet specification for details. Consider using absolute ordering.
    at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2200)
    at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2159)
    at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1124)
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:769)
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5134)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 6 more

搞了一上午。。。

来源地址：https://stackoverflow.com/questions/54290263/more-than-one-fragment-with-the-name-spring-web-was-found-this-is-not-legal-w

在web.xml加一个标签：<absolute-ordering />