title: java.lang.NoSuchMethodError: org.apache.hadoop.io.retry.RetryUtils.getDefaultRetryPolicy
body: <p>I am trying to import mySql data to Hadoop using sqoop.
  Environment:<br>
  Ubuntu 16.04<br>
  Hadoop 2.6.0-cdh5.16.1<br>
  Sqoop 1.4.7 </p>
  
  <p>On executing   </p>
  
  <pre><code>sqoop import --connect jdbc:mysql://127.0.0.1/crawl_data_stats 
               --username root --password password --table auth_group
  </code></pre>
  
  
  
  <pre><code>Exception in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.io.retry.RetryUtils.getDefaultRetryPolicy(Lorg/apache/hadoop/conf/Configuration;Ljava/lang/String;ZLjava/lang/String;Ljava/lang/String;Ljava/lang/Class;)Lorg/apache/hadoop/io/retry/RetryPolicy;  
  at org.apache.hadoop.hdfs.NameNodeProxies.createNNProxyWithClientProtocol(NameNodeProxies.java:408)  
  at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:314)  
  at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176)  
  at org.apache.hadoop.hdfs.DFSClient.&lt;init&gt;(DFSClient.java:763)  
  at org.apache.hadoop.hdfs.DFSClient.&lt;init&gt;(DFSClient.java:694)  
  at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:159)  
  at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3303)  
  at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)  
  at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3352)  
  at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3320)  
  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)  
  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:227)  
  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:463)  
  at org.apache.hadoop.fs.Path.getFileSystem(Path.java:361)  
  at org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.setOutputPath(FileOutputFormat.java:160)  
  at org.apache.sqoop.mapreduce.ImportJobBase.configureOutputFormat(ImportJobBase.java:160)  
  at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:263)  
  at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java:692)  
  at org.apache.sqoop.manager.MySQLManager.importTable(MySQLManager.java:127)  
  at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:520)  
  at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:628)  
  at org.apache.sqoop.Sqoop.run(Sqoop.java:147)  
  at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)  
  at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)  
  at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)  
  at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243)  
  at org.apache.sqoop.Sqoop.main(Sqoop.java:252)
  </code></pre>