fix(kerboros): set correct classloader for kerboros conf load in plugin tasks (#7027) (#7064)

Co-authored-by: xudong.zhang <xudong.zhang@nio.com>

Co-authored-by: sparklezzz <zhang.xd927@gmail.com>
Co-authored-by: xudong.zhang <xudong.zhang@nio.com>

dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/utils/CommonUtils.java

@@ -79,7 +79,9 @@ public class CommonUtils {
      * @throws IOException errors
      */
     public static void loadKerberosConf(String javaSecurityKrb5Conf, String loginUserKeytabUsername, String loginUserKeytabPath) throws IOException {
-        loadKerberosConf(javaSecurityKrb5Conf, loginUserKeytabUsername, loginUserKeytabPath, new Configuration());
+        Configuration configuration = new Configuration();
+        configuration.setClassLoader(configuration.getClass().getClassLoader());
+        loadKerberosConf(javaSecurityKrb5Conf, loginUserKeytabUsername, loginUserKeytabPath, configuration);
     }
 
     /**