[MAPREDUCE-5800] Use Job#getInstance instead of deprecated constructors

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.3.0, 2.6.0
• Fix Version/s: 2.7.0
• Labels: newbie
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 18/Mar/14 19:34
• Updated: 10/Apr/15 20:19
• Resolved: 03/Feb/15 22:40

Description

There're some methods calling deprecated constructors such as new Job(), which causes javac warnings.
We should use Job.getInstance() to get an instance.

Issue Links

• contains: MAPREDUCE-6181 WordCount.java in mapreduce-examples.jar uses deprecated job object creation API
• is related to: MAPREDUCE-5597 Missing alternatives in javadocs for deprecated constructors in mapreduce.Job
• is related to: HADOOP-10380 Cleanup javac warnings
• relates to: MAPREDUCE-5346 The example provided in the javadoc for Job is outdated.