BUG at docker exec command

When I want to restart the Graylog services through docker cli, ALWAYS this happen.

$ sudo docker exec -it graylog /usr/share/graylog/bin/graylogctl restart
Restarting graylog-server …
Stopping graylog-server (17) …
Waiting for graylog-server to halt.
/usr/share/graylog/bin/graylogctl: line 84: : command not found
graylog-server stopped
Starting graylog-server …

When I check the graylogctl file at line 84 appears:

while “$PS” -p $PID > /dev/null; do sleep 1; done;

So I installed the PS command, with:

apt-get update && apt-get install procps

But when I enter the command again the container just don’t restart, checking the docker logs only says:

2020-02-12 00:42:47,596 INFO : org.graylog2.system.shutdown.GracefulShutdown - Goodbye.
2020-02-12 00:42:47,597 INFO : org.graylog2.shared.journal.JournalReader - Stopping.
2020-02-12 00:42:47,615 INFO : org.graylog2.shared.initializers.JerseyService - Shutting down HTTP listener at <>
2020-02-12 00:42:47,629 INFO : kafka.log.LogManager - Shutting down.
2020-02-12 00:42:47,642 INFO : org.graylog2.lookup.LookupDataAdapterRefreshService - Stopping 0 jobs
2020-02-12 00:42:47,684 INFO : org.glassfish.grizzly.http.server.NetworkListener - Stopped listener bound to []
2020-02-12 00:42:47,711 INFO : kafka.log.LogManager - Shutdown complete.
2020-02-12 00:42:48,317 INFO : org.graylog2.shared.initializers.ServiceManagerListener - Services are now stopped.

Any ideas? Is this a Graylog bug?

PD: I’m using Graylog 3.1

he @Luisj5231

this is not how it is supposed to be used. As you can see in the docker-entrypoint it takes more:

In the docker world you would restart the container and not the service inside the container.

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