zoukankan      html  css  js  c++  java
  • 关于maven依赖中的<scope>provided</scope>使用

    关于maven依赖中的provided使用 今天开发web的时候,需要用到servlet-api,于是在pom.xml中添加依赖 javax.servlet servlet-api 3.0-alpha-1 通过插件启动tomcat的时候,报错,里面有一段是这样的: Caused by: java.lang.LinkageError: loader constraint violation: loader (instance of org/apache/catalina/loader/WebappClassLoader) previously initiated loading for a different type with name "javax/servlet/ServletContext" at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 产生的原因是:tomcat中也有servlet-api包,这样,发生了冲突 解决方法:添加provided,因为provided表明该包只在编译和测试的时候用,所以,当启动tomcat的时候,就不会冲突了,完整依赖如下: javax.servlet servlet-api 3.0-alpha-1 provided
  • 相关阅读:
    LeetCode:Remove Duplicates from Sorted List
    LeetCode:Remove Nth Node From End of List
    LeetCode:Delete Node in a Linked List
    LeetCode:Rotate Image
    LeetCode:Anagrams(字母颠倒)
    LeetCode:Single NumberⅡ
    LeetCode:Single Number
    LeetCode:Longest Common Prefix
    bzoj1025
    bzoj1024
  • 原文地址:https://www.cnblogs.com/charlypage/p/9078824.html
Copyright © 2011-2022 走看看