Hi Theo, Flink doesn't do that. The only occurrence I could find on the web is this from https://github.com/LandGrey/flink-unauth-rce/blob/master/flink-unauth-rce.py. Could it be that someone is accessing your cluster (perhaps via the public internet)?
Best regards, Martijn Op ma 16 jan. 2023 om 09:02 schreef Theodor Wübker < theo.wueb...@inside-m2m.de>: > Hello, > > I noticed my Flink Cluster (version 1.16) is uploading a jar called > “check-execute.jar” itself regularly. Apparently it also tries to run it, > at least that’s what I take from this log of my jobmanager that appears > numerous times: > > 2023-01-16 07:09:00,719 WARN org.apache.flink.runtime.webmonitor.handlers. > JarRunHandler [] - Configuring the job submission via query parameters is > deprecated. Please migrate to submitting a JSON request instead. > 2023-01-16 07:09:00,733 INFO org.apache.flink.client.ClientUtils [] - > Starting program (detached: true) > 2023-01-16 07:09:01,362 ERROR > org.apache.flink.runtime.webmonitor.handlers.JarRunHandler [] - Exception > occurred in REST handler: No jobs included in application. > > I wonder if this is expected behavior, maybe for the system to assert its > functionality. It would be very kind if someone could enlighten me here, I > tried to find what this is about in the source code of Flink, but was not > able to find anything. > > Kind regards > > -Theo >
