[GitHub] [zeppelin] Reamer commented on a change in pull request #3718: [ZEPPELIN-4727] Fix HDFS Credentials storage

[GitBox <gi...@apache.org>]

Reamer commented on a change in pull request #3718: [ZEPPELIN-4727] Fix HDFS Credentials storage 
URL: https://github.com/apache/zeppelin/pull/3718#discussion_r405349687
 
 

 ##########
 File path: zeppelin-zengine/src/main/java/org/apache/zeppelin/user/Credentials.java
 ##########
 @@ -18,60 +18,53 @@
 package org.apache.zeppelin.user;
 
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.nio.file.Files;
-import java.nio.file.attribute.PosixFilePermission;
-import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 
-import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
-import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
+import org.apache.zeppelin.conf.ZeppelinConfiguration;
+import org.apache.zeppelin.storage.ConfigStorage;
+import org.codehaus.plexus.util.StringUtils;
 
 Review comment:
   I agree, will change this as fast as possible

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