Wrong log severity in Dataflow logs

[kennknowles]

Hi, I'm not sure if this problem should be posted here, please correct me if it belongs to some GCP Dataflow specific issue tracker.

With a default logger configuration I see info logs as errors in GCP console.

Logger:

<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-simple</artifactId>
    <version>1.7.25</version>
</dependency>

Logging:

private Logger LOG = LoggerFactory.getLogger(MakeAlignmentViaHttpFn.class);
...
LOG.info(String.format("Sending
Alignment request (#%s) with %d elements...", ...));

 

Appears as "severity: ERROR" in GCP Console, see screenshot:

https://user-images.githubusercontent.com/31351436/53070821-10e83f80-352c-11e9-93d2-bffeefaba6b8.png

 

referring issue in my project: allenday/nanostream-dataflow#58

Imported from Jira BEAM-6930. Original Jira may contain additional context.
Reported by: bushkovsky.