# Grok parse failure and date format error

**URL:** <https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240>\
**Category:** Logstash\
**Created:** [May 15, 2019, 4:32pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240 "2019-05-15T16:32:37Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![khergner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/khergner/32/130758_2.png) [@khergner](https://discuss.elastic.co/u/khergner)\
**Post date:** [May 15, 2019, 4:32pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240/1 "2019-05-15T16:32:37Z")

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Hi,  
I want to parse to below line but grok pattern get error. How can ı parse below line?

`12/May/19 20:03:14 118.102.70.71`

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [May 15, 2019, 5:35pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240/2 "2019-05-15T17:35:22Z")

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What grok pattern are you using? What error do you get?

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<div class="post-metadata">

**Author:** ![khergner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/khergner/32/130758_2.png) [@khergner](https://discuss.elastic.co/u/khergner)\
**Post date:** [May 15, 2019, 5:52pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240/3 "2019-05-15T17:52:03Z")

</div>

I am using grok pattern %{HTTPDATE:time\_local} but not parsing  
Actually ı need below model but ı don't know how ı can  
{  
time\_local:12/MAY/2019 20:03:14,  
ip: 118.102.70.71  
}  
ı need grok pattern for above json model

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [May 15, 2019, 6:21pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240/4 "2019-05-15T18:21:32Z")

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If your data looks like

```
12/May/19 20:03:14 118.102.70.71

```

i.e. three space-separated fields, then I wouldn't use grok at all. I would dissect it

```
dissect { mapping => { "message" => "%{time_local} %{+time_local} %{ip}" } }
```

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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:** [June 12, 2019, 6:33pm UTC](https://discuss.elastic.co/t/grok-parse-failure-and-date-format-error/181240/5 "2019-06-12T18:33:03Z")

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