# Empty message field in exec input field

**URL:** <https://discuss.elastic.co/t/empty-message-field-in-exec-input-field/96205>\
**Category:** Logstash\
**Created:** [August 8, 2017, 7:22am UTC](https://discuss.elastic.co/t/empty-message-field-in-exec-input-field/96205 "2017-08-08T07:22:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Amir\_Hassani](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/amir_hassani/32/20902_2.png) [@Amir\_Hassani](https://discuss.elastic.co/u/Amir_Hassani)\
**Post date:** [August 8, 2017, 7:22am UTC](https://discuss.elastic.co/t/empty-message-field-in-exec-input-field/96205/1 "2017-08-08T07:22:44Z")

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Hello,

I'm trying to get information from Glusterfs. when I use exec command, sometimes it returns empty message. what is the reason and how can I fix that?  
my command is like this:  
`gluster volume profile dkv info | grep -E 'Data\ Read|Duration|Brick:' | sed -n 1,5p`

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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:** [September 5, 2017, 7:22am UTC](https://discuss.elastic.co/t/empty-message-field-in-exec-input-field/96205/2 "2017-09-05T07:22:56Z")

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