# Logstash 5.1.1 can not open port

**URL:** <https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521>\
**Category:** Logstash\
**Created:** [January 4, 2017, 7:35am UTC](https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521 "2017-01-04T07:35:41Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![TaeSung\_Kim](https://avatars.discourse-cdn.com/v4/letter/t/c2a13f/32.png) [@TaeSung\_Kim](https://discuss.elastic.co/u/TaeSung_Kim)\
**Post date:** [January 4, 2017, 7:35am UTC](https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521/1 "2017-01-04T07:35:41Z")

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logstash 5.1.1 can not open port..  
Log message is down.  
How to fix it?

[2017-01-04T07:17:44,341][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:17:55,582][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:18:19,018][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:18:32,635][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:18:44,007][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:18:56,028][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:19:08,381][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:19:19,684][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:19:31,773][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:19:55,231][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:20:18,588][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:20:30,303][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:20:42,538][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:20:53,312][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:21:05,469][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:21:16,543][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:21:27,973][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:33:41,435][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}  
[2017-01-04T07:33:54,802][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600}

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [January 4, 2017, 9:14am UTC](https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521/2 "2017-01-04T09:14:01Z")

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There's nothing there to suggest there is a problem?

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<div class="post-metadata">

**Author:** ![TaeSung\_Kim](https://avatars.discourse-cdn.com/v4/letter/t/c2a13f/32.png) [@TaeSung\_Kim](https://discuss.elastic.co/u/TaeSung_Kim)\
**Post date:** [January 4, 2017, 9:56am UTC](https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521/3 "2017-01-04T09:56:33Z")

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I solve the problem.  
I use logstash-jdbc-input modul.  
But, I don't have sqljdbc42.jar file in path.

jdbc\_driver\_library =\> "/lib/jdbc/sqljdbc42.jar"

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 1, 2017, 9:57am UTC](https://discuss.elastic.co/t/logstash-5-1-1-can-not-open-port/70521/4 "2017-02-01T09:57:10Z")

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Closed on February 1, 2017, 9:57am UTC

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