# Logstash: \_dateparsefailure

**URL:** <https://discuss.elastic.co/t/logstash-dateparsefailure/115235>\
**Category:** Logstash\
**Created:** [January 12, 2018, 7:47am UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235 "2018-01-12T07:47:23Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![trelo](https://avatars.discourse-cdn.com/v4/letter/t/e19adc/32.png) [@trelo](https://discuss.elastic.co/u/trelo)\
**Post date:** [January 12, 2018, 7:47am UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235/1 "2018-01-12T07:47:23Z")

</div>

Hello,  
I'm unsuccessfully struggling with **\_dateparsefailure** issue. While debugging everything works fine, but in Elastic every document comes with **\_dateparsefailure** tag. Here is piece of conf:

> ```
> .....
> ruby {
> code => "
> event.set( 'index_date', event.timestamp.time.localtime.strftime('%Y.%m.%d') )
> "
> }
> 
> mutate {
> add_field => {
> "timestamp" => "%{month} %{monthday} %{time}"
> }
> }
> 
> if "_grokparsefailure" in [tags] {
> drop {}
> }
> date {
> match => ["timestamp", "MMM dd HH:mm:ss"]
> locale => "en"
> timezone => "Europe/Moscow"
> target => "@timestamp"
> }
> mutate {
> remove_field => [
> "time", "month", "monthday",
> "timestamp", "host", "@version", "tz"
> ]
> .....
> 
> ```

here is data:

> Jan 12 10:16:22 servername postfix/smtp[49832]: 5E4BF161B07: to=[client@email.com](mailto:client@email.com), [relay=mxs.relay.com](http://relay=mxs.relay.com)[92.110.182.102]:25, delay=2.6, delays=0.09/0/0.02/2.4, dsn=2.0.0, status=sent (250 OK id=1eZtZc-0037DW-IL), (250 OK id=1eZtZc-0037DW-IL)

---

<div class="post-metadata">

**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [January 16, 2018, 11:06am UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235/2 "2018-01-16T11:06:10Z")

</div>

Remove the mutate filter and show an example document produced by Logstash. Copy/paste from Kibana's JSON tab or use a `stdout { codec => rubydebug }` output.

---

<div class="post-metadata">

**Author:** ![trelo](https://avatars.discourse-cdn.com/v4/letter/t/e19adc/32.png) [@trelo](https://discuss.elastic.co/u/trelo)\
**Post date:** [January 16, 2018, 1:21pm UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235/3 "2018-01-16T13:21:22Z")

</div>

```
The stdin plugin is now waiting for input:
Jan 16 14:34:50 mx01 postfix/smtp[11449]: 8E48518009F: to=<email@address>, relay=mx.address.net[17.123.2.12]:25, delay=15, delays=0.86/0/1.4/13, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n), (250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n)
{
        "monthday" => "16",
          "server" => "mx01",
        "queue-id" => "8E48518009F",
         "send-to" => "email@address",
      "relay-port" => "25",
         "program" => "postfix/smtp[11449]",
         "message" => [
        [0] "Jan 16 14:34:50 mx01.hw00.sel.pet.lan postfix/smtp[11449]: 8E48518009F: to=<email@address>, relay=mx.address.net[17.123.2.12]:25, delay=15, delays=0.86/0/1.4/13, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n), (250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n)",
        [1] "(250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n), (250 2.0.0 Ok: queued on mx.address.mail.net as 1516102490-Mi14m3hIr0-YbxWl07n)"
    ],
      "@timestamp" => 2018-01-16T13:14:57.661Z,
           "delay" => "15",
           "month" => "Jan",
        "relay-ip" => "17.123.2.12",
          "delays" => "0.86/0/1.4/13",
        "@version" => "1",
    "relay-domain" => "mx.address.net",
      "index_date" => "2018.01.16",
            "time" => "14:34:50",
             "dsn" => "2.0.0",
          "status" => "sent"
}
```

---

<div class="post-metadata">

**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [January 21, 2018, 12:12pm UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235/4 "2018-01-21T12:12:21Z")

</div>

Where's the timestamp field that you're asking the date filter to parse?

---

<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:** [February 18, 2018, 12:12pm UTC](https://discuss.elastic.co/t/logstash-dateparsefailure/115235/5 "2018-02-18T12:12:27Z")

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