# HTTP Poller not working. cgroups error

**URL:** <https://discuss.elastic.co/t/http-poller-not-working-cgroups-error/138787>\
**Category:** Logstash\
**Created:** [July 5, 2018, 7:35pm UTC](https://discuss.elastic.co/t/http-poller-not-working-cgroups-error/138787 "2018-07-05T19:35:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![juandanielpujols](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/juandanielpujols/32/30041_2.png) [@juandanielpujols](https://discuss.elastic.co/u/juandanielpujols)\
**Post date:** [July 5, 2018, 7:35pm UTC](https://discuss.elastic.co/t/http-poller-not-working-cgroups-error/138787/1 "2018-07-05T19:35:45Z")

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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"}

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 2, 2018, 7:42pm UTC](https://discuss.elastic.co/t/http-poller-not-working-cgroups-error/138787/2 "2018-08-02T19:42:38Z")

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