[SPARK-19207] LocalSparkSession should use Slf4JLoggerFactory.INSTANCE instead of creating new object via constructor

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.2.0
• Assignee: Tsuyoshi Ozawa
• Reporter: Tsuyoshi Ozawa
• Created: 13/Jan/17 08:47
• Updated: 15/Jan/17 11:12
• Resolved: 15/Jan/17 11:12

Description

It's deprecated to create Slf4JLoggerFactory's instance via constructor. A warning is generated:

[warn] /Users/ozawa/workspace/spark/sql/core/src/test/scala/org/apache/spark/sql/LocalSparkSession.scala:32: constructor Slf4JLoggerFactory in class Slf4JLoggerFactory is deprecated: see corresponding Javadoc for more information.
[warn]     InternalLoggerFactory.setDefaultFactory(new Slf4JLoggerFactory())

Issue Links

• links to: [Github] Pull Request #16570 (oza)