# Why elasticsearch-5.2.0 throw NullPointerException when start

**URL:** <https://discuss.elastic.co/t/why-elasticsearch-5-2-0-throw-nullpointerexception-when-start/74739>\
**Category:** Elasticsearch\
**Created:** [February 11, 2017, 3:17am UTC](https://discuss.elastic.co/t/why-elasticsearch-5-2-0-throw-nullpointerexception-when-start/74739 "2017-02-11T03:17:31Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![jasontedor](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasontedor/32/66992_2.png) [@jasontedor](https://discuss.elastic.co/u/jasontedor)\
**Post date:** [March 4, 2017, 5:20am UTC](https://discuss.elastic.co/t/why-elasticsearch-5-2-0-throw-nullpointerexception-when-start/74739/14 "2017-03-04T05:20:36Z")

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> Sorry, I don't know.

Okay, you can work around this with:

```auto
$ sudo mount -t cgroup -o rw,nosuid,nodev,noexec,relatime,cpu,cpuacct cgroup /sys/fs/cgroup/cpu,cpuacct

```

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