# Logstash how to handle exceptions

**URL:** <https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843>\
**Category:** Logstash\
**Created:** [December 23, 2015, 10:18am UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843 "2015-12-23T10:18:39Z")\
**Posts on this page:** 9\
**Page:** 2

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [January 4, 2016, 2:54pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/21 "2016-01-04T14:54:25Z")

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Something like this should work, assuming there are no spaces padding the fields:

```
mutate {
    gsub => ["DATE", "\.", ":"]
}
        	
date {
    match => ["DATE", "d/M/YYYY HH:mm:SS"]
    timezone => "UTC"
}
```

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<div class="post-metadata">

**Author:** ![chicco\_95](https://avatars.discourse-cdn.com/v4/letter/c/ce7236/32.png) [@chicco\_95](https://discuss.elastic.co/u/chicco_95)\
**Post date:** [January 4, 2016, 2:57pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/22 "2016-01-04T14:57:56Z")

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Thank you, but the gsub solution is not what I need....

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [January 4, 2016, 3:01pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/23 "2016-01-04T15:01:41Z")

</div>

It can help you reduce the number of patterns you need to try in the date filter. I also suspect running a single mutate gsub filter instead of a larger number of date patterns might also be faster, but I have not benchmarked it. If you exclude it you just need to add additional patterns.

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<div class="post-metadata">

**Author:** ![chicco\_95](https://avatars.discourse-cdn.com/v4/letter/c/ce7236/32.png) [@chicco\_95](https://discuss.elastic.co/u/chicco_95)\
**Post date:** [January 4, 2016, 3:08pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/24 "2016-01-04T15:08:08Z")

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ok , thank you, not neglect this option , but I would like to have more solutions for this problem to choose the most right for my case

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<div class="post-metadata">

**Author:** ![chicco\_95](https://avatars.discourse-cdn.com/v4/letter/c/ce7236/32.png) [@chicco\_95](https://discuss.elastic.co/u/chicco_95)\
**Post date:** [January 7, 2016, 12:05pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/25 "2016-01-07T12:05:16Z")

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I try to use the date{ match=\> ......}  
this is my filter config :  
date {  
match =\> ["Data/Ora Risoluzione TT","%d/%M/%y %H.%m.%s","%d/%M/%y %H:%m:%s", "ISO8601"]  
}

this is the exception:  
Failed parsing date from field {:field=\>"Data/Ora Risoluzione TT", :value=\>"11/12/2015 09:42:12", :exception=\>"Invalid format: "11/12/2015 09:42:12" is malformed at "/12/2015 09:42:12"", :config\_parsers=\>"%d/%M/%y %H.%m.%s,%d/%M/%y %H:%m:%s,ISO8601", :config\_locale=\>"default=en\_US", :level=\>:warn}  
Failed parsing date from field {:field=\>"Data/Ora Risoluzione TT", :value=\>"11/12/2015 12.06.08", :exception=\>"Invalid format: "11/12/2015 12.06.08" is malformed at "/12/2015 12.06.08"", :config\_parsers=\>"%d/%M/%y %H.%m.%s,%d/%M/%y %H:%m:%s,ISO8601", :config\_locale=\>"default=en\_US", :level=\>:warn}  
Failed parsing date from field {:field=\>"Data/Ora Risoluzione TT", :value=\>"11/12/2015 13:22:56", :exception=\>"Invalid format: "11/12/2015 13:22:56" is malformed at "/12/2015 13:22:56"", :config\_parsers=\>"%d/%M/%y %H.%m.%s,%d/%M/%y %H:%m:%s,ISO8601", :config\_locale=\>"default=en\_US", :level=\>:warn}  
Failed parsing date from field {:field=\>"Data/Ora Risoluzione TT", :value=\>"11/12/2015 13:24:14", :exception=\>"Invalid format: "11/12/2015 13:24:14" is malformed at "/12/2015 13:24:14"", :config\_parsers=\>"%d/%M/%y %H.%m.%s,%d/%M/%y %H:%m:%s,ISO8601", :config\_locale=\>"default=en\_US", :level=\>:warn}

where am I doing wrong ?

thank you

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [January 7, 2016, 12:36pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/26 "2016-01-07T12:36:14Z")

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> [@chicco\_95](#):
>
> "%d/%M/%y %H.%m.%s","%d/%M/%y %H:%m:%s"

Your date formats are incorrect. Have you tried the ones in the examples provided?

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<div class="post-metadata">

**Author:** ![chicco\_95](https://avatars.discourse-cdn.com/v4/letter/c/ce7236/32.png) [@chicco\_95](https://discuss.elastic.co/u/chicco_95)\
**Post date:** [January 7, 2016, 1:26pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/27 "2016-01-07T13:26:34Z")

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now i try with this configuration and don't give me any exception,but the date does not change:  
date {  
match =\> ["Data/Ora Risoluzione TT","dd/MM/YYYY HH.mm.ss","dd/MM/YYYY HH:mm:ss", "ISO8601"]  
}  
for example  
input date: 08/12/2015 16:00:18  
output date: 08/12/2015 16:00:18

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<div class="post-metadata">

**Author:** ![chicco\_95](https://avatars.discourse-cdn.com/v4/letter/c/ce7236/32.png) [@chicco\_95](https://discuss.elastic.co/u/chicco_95)\
**Post date:** [January 7, 2016, 1:53pm UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/28 "2016-01-07T13:53:28Z")

</div>

i resolved !!  
lacked the target!

now my config is this:  
date {  
match =\> ["Data/Ora Risoluzione TT","dd/MM/YYYY HH.mm.ss","dd/MM/YYYY HH:mm:ss","ISO8601"]  
target =\> ["Data/Ora Risoluzione TT"]  
}

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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:** [July 6, 2017, 5:16am UTC](https://discuss.elastic.co/t/logstash-how-to-handle-exceptions/37843/29 "2017-07-06T05:16:29Z")

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Closed on July 6, 2017, 5:16am UTC



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