azagrebin commented on a change in pull request #11073: [FLINK-15672][build]
Migrate to log4j2
URL: https://github.com/apache/flink/pull/11073#discussion_r381197620
##########
File path: flink-dist/src/main/flink-bin/conf/log4j-yarn-session.properties
##########
@@ -16,16 +16,20 @@
# limitations under the License.
################################################################################
-log4j.rootLogger=INFO, stdout
+rootLogger.level = INFO
+rootLogger.appenderRef.console.ref = ConsoleAppender
-# Log all infos in the given file
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS}
%-5p %-60c %x - %m%n
+appender.console.name = ConsoleAppender
+appender.console.type = CONSOLE
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x -
%m%n
-# suppress the irrelevant (wrong) warnings from the netty channel handler
-log4j.logger.org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline=ERROR,
stdout
-log4j.logger.org.apache.zookeeper=WARN, stdout
-log4j.logger.org.apache.flink.shaded.org.apache.curator.framework=WARN, stdout
-log4j.logger.org.apache.flink.runtime.util.ZooKeeperUtils=WARN, stdout
-log4j.logger.org.apache.flink.runtime.leaderretrieval.ZooKeeperLeaderRetrievalService=WARN,
stdout
+# Suppress the irrelevant (wrong) warnings from the Netty channel handler
+logger.netty.name =
org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline
+logger.netty.level = OFFlog4j.logger.org.apache.zookeeper=WARN, stdout
Review comment:
```suggestion
logger.netty.level = ERROR
```
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