# Logstash Drop Lines

**URL:** <https://discuss.elastic.co/t/logstash-drop-lines/163273>\
**Category:** Logstash\
**Created:** [January 7, 2019, 9:23pm UTC](https://discuss.elastic.co/t/logstash-drop-lines/163273 "2019-01-07T21:23:44Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![rcd1189](https://avatars.discourse-cdn.com/v4/letter/r/cc9497/32.png) [@rcd1189](https://discuss.elastic.co/u/rcd1189)\
**Post date:** [January 7, 2019, 9:23pm UTC](https://discuss.elastic.co/t/logstash-drop-lines/163273/1 "2019-01-07T21:23:44Z")

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Hi All.  
I Have a Weblogic log how below:

Jan 7, 2019 5:29:13 PM com.clarify.common.filter.SearchFilterBaseWB Start doLoad() from SearchFilterBaseWB  
INFO: ENTRY  
Warning (Not critical): Query will be done against view. CBO :com.clarify.cbo.CboError: Inválido Bandeira Consulta. Bandeira ignorados. Consulta inicial não pode ser executado contra a tabela base. Vai fazer consulta inicial contra a visão.  
Jan 7, 2019 5:29:14 PM com.clarify.common.search.SearchBaseLB End of SearchBaseLB Retrieve()  
INFO: ENTRY  
Jan 7, 2019 5:29:14 PM com.clarify.common.filter.SearchFilterBaseWB End doLoad() from SearchFilterBaseWB  
INFO: ENTRY  
Jan 7, 2019 5:29:14 PM com.clarify.common.filter.SearchFilterBaseWB processIncomingRequest  
INFO: EXIT  
line 1:12 mismatched input '=' expecting ';'  
line 1:12 mismatched input '=' expecting ';'  
line 1:12 mismatched input '=' expecting ';'

I'm using Logstash, Elasticsearch and Kibana. This is work fine.  
But I need remove/drop lines below:

line 1:12 mismatched input '=' expecting ';'  
line 1:12 mismatched input '=' expecting ';'  
line 1:12 mismatched input '=' expecting ';'

I'm using filter below:  
filter {  
if ([message] == "(line.+?.+')") {  
drop {}  
}

grok {  
match =\> { "message" =\> "%{COMBINEDAPACHELOG}"}  
}  
}

And so, as lines still appear. What can it be?

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**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:** [January 7, 2019, 9:47pm UTC](https://discuss.elastic.co/t/logstash-drop-lines/163273/2 "2019-01-07T21:47:51Z")

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> [@rcd1189](#):
>
> if ([message] == "(line.+?.+')") {

Replace == with =~

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<div class="post-metadata">

**Author:** ![rcd1189](https://avatars.discourse-cdn.com/v4/letter/r/cc9497/32.png) [@rcd1189](https://discuss.elastic.co/u/rcd1189)\
**Post date:** [January 15, 2019, 6:48pm UTC](https://discuss.elastic.co/t/logstash-drop-lines/163273/3 "2019-01-15T18:48:04Z")

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Pls,  
Close this topic

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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:** [February 12, 2019, 6:48pm UTC](https://discuss.elastic.co/t/logstash-drop-lines/163273/4 "2019-02-12T18:48:06Z")

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