# Logstash Date Filter: Translation Missing

**URL:** <https://discuss.elastic.co/t/logstash-date-filter-translation-missing/79182>\
**Category:** Logstash\
**Created:** [March 19, 2017, 5:58pm UTC](https://discuss.elastic.co/t/logstash-date-filter-translation-missing/79182 "2017-03-19T17:58:57Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![BenMatheja](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/benmatheja/32/16493_2.png) [@BenMatheja](https://discuss.elastic.co/u/BenMatheja)\
**Post date:** [March 19, 2017, 5:58pm UTC](https://discuss.elastic.co/t/logstash-date-filter-translation-missing/79182/1 "2017-03-19T17:58:57Z")

</div>

I'm trying to use the date filter to parse an nginx access log.

```
filter {
  if [type] == "nginx_access" {
    grok {
      match => { "message" => "%{COMBINEDAPACHELOG}+%{GREEDYDATA:extra_fields}" }
    }
    #locale is mandatory if parsing month names
    date {
      match => { "timestamp" => "dd/MMM/YYYY:HH:mm:ss Z" }
      locale => "en-US"
    }
    geoip {
      source => "clientip"
    }

```

Seemingly the locale(s) i'm using do not matter since i eventually end up with the same log output (see below) all the time

> ```
> 18:53:19.456 [LogStash::Runner] ERROR logstash.agent - Cannot load an invalid configuration {:reason=>"translation missing: en.logstash.agent.configuration.invalid_plugin_register"}
> 
> ```

Do you know what i'm getting wrong?  
Logstash (5.2.2-1) on Ubuntu 16.10

---

<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:** [April 16, 2017, 5:59pm UTC](https://discuss.elastic.co/t/logstash-date-filter-translation-missing/79182/2 "2017-04-16T17:59:07Z")

</div>

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