Hadoop 3.3.1 配置Web UI可跨域

core-site.xml

        <!--web console cors settings-->
        <property>
            <name>hadoop.http.filter.initializers</name>
            <value>org.apache.hadoop.security.HttpCrossOriginFilterInitializer</value>
        </property>
        <property>
            <name>hadoop.http.cross-origin.enabled</name>
            <value>true</value>
        </property>
        <property>
            <name>hadoop.http.cross-origin.allowed-origins</name>
            <value>*</value>
        </property>
        <property>
            <name>hadoop.http.cross-origin.allowed-methods</name>
            <value>GET,POST,HEAD</value>
        </property>
        <property>
            <name>hadoop.http.cross-origin.allowed-headers</name>
            <value>X-Requested-With,Content-Type,Accept,Origin</value>
        </property>
        <property>
            <name>hadoop.http.cross-origin.max-age</name>
            <value>1800</value>
        </property>

参考：https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/HttpAuthentication.html

文件权限问题

# 将目录权限修改为公共读写
hdfs dfs -chmod -R 777 /share

试试上传文件，假如上传成功，说明跨域问题解决。