Questions tagged [toolrunner]

org.apache.hadoop.util.ToolRunner

ToolRunner can be used to run classes implementing Tool interface. It works in conjunction with GenericOptionsParser to parse the generic hadoop command line arguments and modifies the Configuration of the Tool. The application-specific options are passed along without being modified.

See ToolRunner API

7 questions
9
votes
2 answers

What is the usage of Configured class in Hadoop programs?

Most of Hadoop MapReduce programs are like this: public class MyApp extends Configured Implements Tool { @Override public int run(String[] args) throws Exception { Job job = new Job(getConf()); /* process command line options…
Majid Azimi
  • 5,575
  • 13
  • 64
  • 113
2
votes
2 answers

Can not create a Path from a null string in Hadoop

I am using ToolRunner to run my Job public class ToolRunner1 extends Configured implements Tool { public static void main(String[] args) throws Exception { System.out.println("In main"); int exitCode = ToolRunner.run(new ToolRunner1(), args); …
USB
  • 6,019
  • 15
  • 62
  • 93
1
vote
0 answers

Hadoop: ToolRunner Interface Is Not Working. ( Use GenericOptionsParser Warning )

I am trying to implement a ToolRunner interface. However, I am still getting the "WARN [JobClient] Use GenericOptionsParser" warning. What am I doing wrong can anyone help ? I used the command hadoop jar gc.jar stubs.AvgWordLength -D…
1
vote
0 answers

Checking parameter validation using ToolRunner in Hadoop

I have a hadoop tool that uses the ToolRunner and GenericOptionsParser to parse the command-line arguments and include them in Configuration (via getConfig()). Since I'm not parsing these arguments manually and loading them into the Configuration…
Bennett
  • 317
  • 2
  • 6
  • 16
1
vote
0 answers

Showing Job in state DEFINE instead of RUNNING while using counters and ToolRunner in hadoop

I am trying to do iteration with map reduce. I have 3 sequence job running static enum UpdateCounter { INCOMING_ATTR } public static void main(String[] args) throws Exception { Configuration conf = new Configuration(); int res =…
USB
  • 6,019
  • 15
  • 62
  • 93
0
votes
1 answer

Cloudera ToolRunner

I am using Hue for accessing Hive Service. I Created a Hive table using create table tablename(colname type,.....) row format delimited fields terminated by ','; I Uploaded the data with 300 000 record perfectly. But while executing a query…
0
votes
1 answer

Distributed files using GenericOptionsParser and ToolRunner

I used to run hadoop mapreduce using (This uses GenericOptionsParser) hadoop jar app.jar app -files /home/some/file#file However in the recent version of hadoop I am getting Hadoop command-line option parsing not performed. Implement the Tool…
Joel
  • 1,650
  • 2
  • 22
  • 34