dailidong commented on issue #2223: [BUG] Throw exception when create file. URL: https://github.com/apache/incubator-dolphinscheduler/issues/2223#issuecomment-612098150 you can see the code HadoopUtils.java init method: ``` if (fs == null) { if(StringUtils.isNotEmpty(hdfsUser)){ //UserGroupInformation ugi = UserGroupInformation.createProxyUser(hdfsUser,UserGroupInformation.getLoginUser()); UserGroupInformation ugi = UserGroupInformation.createRemoteUser(hdfsUser); ugi.doAs(new PrivilegedExceptionAction<Boolean>() { @Override public Boolean run() throws Exception { fs = FileSystem.get(configuration); return true; } }); }else{ logger.warn("hdfs.root.user is not set value!"); fs = FileSystem.get(configuration); } } ```
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