Running logstash docker. HTTP Poller scheduler not working.
Error:
[2018-07-05T19:31:26,816][DEBUG][logstash.instrument.periodicpoller.cgroup] Error, cannot retrieve cgroups information {:exception=>"Errno::ENOENT", :message=>"No such file or directory - /sys/fs/cgroup/cpuacct/docker/42f2123d0a878da8a063437e9fa3fa18bd4d90eda02c14728ac52e3348ded283/cpuacct.usage"}
[2018-07-05T19:31:27,760][DEBUG][logstash.pipeline ] Pushing flush onto pipeline {:pipeline_id=>"main", :thread=>"#<Thread:0x100f22b0 sleep>"}
[2018-07-05T19:31:28,593][DEBUG][logstash.instrument.periodicpoller.jvm] collector name {:name=>"ParNew"}
[2018-07-05T19:31:28,594][DEBUG][logstash.instrument.periodicpoller.jvm] collector name {:name=>"ConcurrentMarkSweep"}
[2018-07-05T19:31:31,821][DEBUG][logstash.instrument.periodicpoller.cgroup] Error, cannot retrieve cgroups information {:exception=>"Errno::ENOENT", :message=>"No such file or directory - /sys/fs/cgroup/cpuacct/docker/42f2123d0a878da8a063437e9fa3fa18bd4d90eda02c14728ac52e3348ded283/cpuacct.usage"}