# HTTP parse error, malformed request (): #\<Puma::HttpParserError: Invalid HTTP format, parsing fails

**URL:** <https://discuss.elastic.co/t/http-parse-error-malformed-request-puma-invalid-http-format-parsing-fails/146184>\
**Category:** Logstash\
**Created:** [August 27, 2018, 1:39pm UTC](https://discuss.elastic.co/t/http-parse-error-malformed-request-puma-invalid-http-format-parsing-fails/146184 "2018-08-27T13:39:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![krpatel19](https://avatars.discourse-cdn.com/v4/letter/k/9fc348/32.png) [@krpatel19](https://discuss.elastic.co/u/krpatel19)\
**Post date:** [August 27, 2018, 1:39pm UTC](https://discuss.elastic.co/t/http-parse-error-malformed-request-puma-invalid-http-format-parsing-fails/146184/1 "2018-08-27T13:39:33Z")

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Hi ,

I am getting error logs in logstash 5.2.1 with below error.

2018-08-27 15:36:01 +0200: HTTP parse error, malformed request (): #\<Puma::HttpParserError: Invalid HTTP format, parsing fails.\>  
2018-08-27 15:36:01 +0200: ENV: {"rack.version"=\>[1, 3], "rack.errors"=\>#\<IO:fd 2\>, "rack.multithread"=\>true, "rack.multiprocess"=\>false, "rack.run\_once"=\>false, "SCRIPT\_NAME"=\>"", "QUERY\_STRING"=\>"", "SERVER\_PROTOCOL"=\>"HTTP/1.1", "SERVER\_SOFTWARE"=\>"2.16.0", "GATEWAY\_INTERFACE"=\>"CGI/1.2"}

Can you please what is error. This message is in production and only appearing in newly added servers of logstash

Thanks.

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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:** [September 24, 2018, 1:39pm UTC](https://discuss.elastic.co/t/http-parse-error-malformed-request-puma-invalid-http-format-parsing-fails/146184/2 "2018-09-24T13:39:37Z")

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