# Elasticsearch: OpenJDK 64-Bit Server VM warning

**URL:** <https://discuss.elastic.co/t/elasticsearch-openjdk-64-bit-server-vm-warning/109428>\
**Category:** Elasticsearch\
**Created:** [November 28, 2017, 3:52pm UTC](https://discuss.elastic.co/t/elasticsearch-openjdk-64-bit-server-vm-warning/109428 "2017-11-28T15:52:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![chenfan](https://avatars.discourse-cdn.com/v4/letter/c/53a042/32.png) [@chenfan](https://discuss.elastic.co/u/chenfan)\
**Post date:** [November 28, 2017, 3:52pm UTC](https://discuss.elastic.co/t/elasticsearch-openjdk-64-bit-server-vm-warning/109428/1 "2017-11-28T15:52:12Z")

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i hava a quesstion for it,when i have install x-pack6.0 and add  
"action.auto\_create\_index: .security,.monitoring\*,.watches,.triggered\_watches,.watcher-history\*,.ml\*"=\>/etc/elasticsearch/elasticsearch.yml  
/usr/share/elasticsearch/bin/elasticsearch-plugin install x-pack

it's log of error,thanks

```
Nov 28 23:42:27 nginx systemd: Started Elasticsearch.
Nov 28 23:42:27 nginx systemd: Starting Elasticsearch...
Nov 28 23:42:28 nginx elasticsearch: OpenJDK 64-Bit Server VM warning: If the number of 
processors is expected to increase from one, then you should configure the number of parallel GC 
threads appropriately using -XX:ParallelGCThreads=N

Nov 28 23:43:06 nginx elasticsearch: 2017-11-28 23:43:06,730 main ERROR IfAccumulatedFileSize 
contains an invalid element or attribute "age"
Nov 28 23:43:32 nginx systemd: elasticsearch.service: main process exited, code=exited, 
status=1/FAILURE
Nov 28 23:43:32 nginx systemd: Unit elasticsearch.service entered failed state.
Nov 28 23:43:32 nginx systemd: elasticsearch.service failed.
```

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<div class="post-metadata">

**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:** [November 28, 2017, 6:46pm UTC](https://discuss.elastic.co/t/elasticsearch-openjdk-64-bit-server-vm-warning/109428/2 "2017-11-28T18:46:49Z")

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Please see: [https://github.com/elastic/elasticsearch/issues/22245](https://github.com/elastic/elasticsearch/issues/22245). You can disable this by adding `-XX:-AssumeMP` to counteract the upstream packaging issue from the OpenJDK as explained in the linked issue.

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<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:** [December 26, 2017, 6:47pm UTC](https://discuss.elastic.co/t/elasticsearch-openjdk-64-bit-server-vm-warning/109428/3 "2017-12-26T18:47:17Z")

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