Tomcat 8.5.31版本下配置跨域CORS

这段代码也是复制别人博客上的:

<filter>
    <filter-name>CorsFilter</filter-name>
    <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
    <init-param>
        <param-name>cors.allowed.origins</param-name>
        <param-value>*</param-value>
    </init-param>
    <init-param>
        <param-name>cors.allowed.methods</param-name>
        <param-value>GET,POST,HEAD,OPTIONS,PUT</param-value>
    </init-param>
    <init-param>
        <param-name>cors.allowed.headers</param-name>
        <param-value>*</param-value>
    </init-param>
    <init-param>
        <param-name>cors.exposed.headers</param-name>
        <param-value>Access-Control-Allow-Origin,Access-Control-Allow-Credentials</param-value>
    </init-param>
    <init-param>
        <param-name>cors.support.credentials</param-name>
        <param-value>true</param-value>
    </init-param>

</filter>
<filter-mapping>
    <filter-name>CorsFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

步骤:

  1. 找到web.xml文件,位置在Tomcat > conf > web.xml
  2. 将上述代放到中间,我是放到386行的位置
  3. 重启Tomcat测试

另:

我把上述代码放到Tomcat 8.5.32版本下的web.xml中,重启Tomcat,控制台报错:

我将allowedOrigins参数去掉,重启也不行,还没找到解决方案,各位大佬,怎么解决这个Tomcat 8.5.32版本下这个问题呢?


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