# Not able to launch logstash from command line

**URL:** <https://discuss.elastic.co/t/not-able-to-launch-logstash-from-command-line/148359>\
**Category:** Logstash\
**Created:** [September 12, 2018, 4:56pm UTC](https://discuss.elastic.co/t/not-able-to-launch-logstash-from-command-line/148359 "2018-09-12T16:56:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ajay\_Sharma1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ajay_sharma1/32/35497_2.png) [@Ajay\_Sharma1](https://discuss.elastic.co/u/Ajay_Sharma1)\
**Post date:** [September 12, 2018, 4:56pm UTC](https://discuss.elastic.co/t/not-able-to-launch-logstash-from-command-line/148359/1 "2018-09-12T16:56:21Z")

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Hi There

I am not able to launch logstash from the command line using below command.

C:\logstash\logstash-6.4.0\bin\logstash -e 'input { stdin { } } output { stdout {} }'

When I execute the command, I get the following message.

[ERROR] 2018-09-12 17:55:16.720 [main] Logstash - java.lang.IllegalStateException: Logstash stopped processing because of an error: (NameError) Java method not found: org.joda.time.DateTime.compareTo(org.joda.time.ReadableInstant)

I have installed logstash-6.4.0 on windows 7.

Any help thank you

Thanks,  
Ajay

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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:** [October 10, 2018, 4:56pm UTC](https://discuss.elastic.co/t/not-able-to-launch-logstash-from-command-line/148359/2 "2018-10-10T16:56:43Z")

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