[Solved] Can’t copy file into HDFS

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You should provide specific details like the exception you get, steps you follow etc, Since you have not specified any information at all, i would say check for the config files to make sure you have all the required entries in corresponding files :

In core-site.xml you should have 

<configuration>
   <property>
    <name>fs.default.name</name>
    <value>hdfs://ipaddress:port</value>
  </property>
<property>
  <name>hadoop.tmp.dir</name>
  <value>/home/$user/hdfs/tmp</value>
  <description>A base for other temporary directories.</description>
</property>
</configuration>

Similarly hdfs-site.xml should have

<configuration>
<property>
    <name>dfs.replication</name>
    <value>1</value>
</property>
<property>
    <name>dfs.data.dir</name>

    <value>/home/$user/hdfs/data</value>
  </property>
<property>
    <name>dfs.name.dir</name>

    <value>/home/$user/hdfs/name</value>
  </property>
</configuration>

And finally the mapred-site.xml should have 

<configuration>
 <property>
    <name>mapred.job.tracker</name>
    <value>ip:port</value>
  </property>
</configuration>

Hope this helps.

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solved Can’t copy file into HDFS