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https://issues.apache.org/jira/browse/FLINK-6019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948836#comment-15948836
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Luke Hutchison commented on FLINK-6019:
---------------------------------------
It is definitely the Akka log printing all these messages. However, I cannot
get Flink's Akka log messages to be sent to the regular log. I have tried using
a {{log4j.properties}} file, a {{logback.xml}} file, an Akka
{{application.conf}} file, and I have even tried programmatically configuring
log4j, but Flink's internal Akka implementation seems to be using an entirely
separate Log4j instance. Why is Flink set up to have two separate log
appenders, one of which is not even configurable?
> Some log4j messages do not have a loglevel field set, so they can't be
> suppressed
> ---------------------------------------------------------------------------------
>
> Key: FLINK-6019
> URL: https://issues.apache.org/jira/browse/FLINK-6019
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.0
> Environment: Linux
> Reporter: Luke Hutchison
>
> Some of the log messages do not appear to have a loglevel value set, so they
> can't be suppressed by setting the log4j level to WARN. There's this line at
> the beginning which doesn't even have a timestamp:
> {noformat}
> Connected to JobManager at Actor[akka://flink/user/jobmanager_1#1844933939]
> {noformat}
> And then there are numerous lines like this, missing an "INFO" field:
> {noformat}
> 03/10/2017 00:01:14 Job execution switched to status RUNNING.
> 03/10/2017 00:01:14 DataSource (at readTable(DBTableReader.java:165)
> (org.apache.flink.api.java.io.PojoCsvInputFormat))(1/8) switched to SCHEDULED
> 03/10/2017 00:01:14 DataSink (count())(1/8) switched to SCHEDULED
> 03/10/2017 00:01:14 DataSink (count())(3/8) switched to DEPLOYING
> 03/10/2017 00:01:15 DataSink (count())(3/8) switched to RUNNING
> 03/10/2017 00:01:17 DataSink (count())(6/8) switched to FINISHED
> 03/10/2017 00:01:17 DataSource (at readTable(DBTableReader.java:165)
> (org.apache.flink.api.java.io.PojoCsvInputFormat))(6/8) switched to FINISHED
> 03/10/2017 00:01:17 Job execution switched to status FINISHED.
> {noformat}
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