Error while hitting the hadoop jar command to execute my map reduce

Question

Hi I am getting following error:

18/12/09 06:30:54 INFO mapreduce.Job: map 0% reduce 0%
18/12/09 06:30:59 INFO mapreduce.Job: Task Id : attempt_1528714825862_67202_m_000008_0, Status : FAILED
Error: java.io.FileNotFoundException: Path is not a file: /trainer
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:70)
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:56)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:2008)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1978)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1891)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:572)
at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getBlockLocations(AuthorizationProviderProxyClientProtocol.ja
va:89)
at org.apache.hadoop.hdfs.protocolP

Command used: 

hadoop jar Sub_Patent_Count.jarcom.vijaybigdata.PatentDriver / user/ edureka_450834/patent /user/edureka_450834/Temp
erature_result.txt

Answer 1

Since your jar file was inside the Vijay directory, so you have to mention the same while executing the jar. Please refer to the below screenshot.

I executed the jar and it is working absolutely fine. Please refer to the below screenshot