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  1. Flink
  2. FLINK-15672

Switch to Log4j 2 by default

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    • Release Note:
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      Flink now uses Log4j2 by default.

      Users who wish to revert back to Log4j1 can find instructions to do so in the logging documentation.
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      Flink now uses Log4j2 by default. Users who wish to revert back to Log4j1 can find instructions to do so in the logging documentation.

      Description

      Log4j 1.x is outdated and has multiple problems:

      • No dynamic adjustments of Log Level
      • Problems with newer Java Versions
      • Not actively developed any more

      Switching to Log4J 2 by default would solve this.

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            • Assignee:
              chesnay Chesnay Schepler
              Reporter:
              sewen Stephan Ewen

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