# How can use property ca\_file in Elasticsearch input plugin? **URL:** \ **Category:** Logstash\ **Created:** [April 10, 2019, 11:46am UTC](https://discuss.elastic.co/t/how-can-use-property-ca-file-in-elasticsearch-input-plugin/176205 "2019-04-10T11:46:18Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![zwk](https://avatars.discourse-cdn.com/v4/letter/z/da6949/32.png) [@zwk](https://discuss.elastic.co/u/zwk)\ **Post date:** [April 10, 2019, 11:46am UTC](https://discuss.elastic.co/t/how-can-use-property-ca-file-in-elasticsearch-input-plugin/176205/1 "2019-04-10T11:46:18Z")
When I use ca\_file in Elasticsearch input plugin, A error apper. The config is : input { elasticsearch { hosts =\> "elasticsearch:9200" index =\> "index-2019-04-07" size =\> 1000 scroll =\> "5m" docinfo =\> true ca\_file =\> "./client.pem" ssl =\> true } } the error info : [2019-04-02T19:11:29,583][ERROR][logstash.pipeline] A plugin had an unrecoverable error. Will restart this plugin. Pipeline\_id:main Plugin: \1000, ca\_file=\>"./client.pem", hosts=\>["elasticsearch:9200"], scroll=\>"5m", index=\>"index-2019-04-07", docinfo=\>true, id=\>"61934748e7064e62318016d251a33a9ee05585079a2b", ssl=\>true, enable\_metric=\>true, codec=\>\"json\_6-ca99-4b82-a589-90ec4b60eb82", enable\_metric=\>true, charset=\>"UTF-8"\>, query=\>"{ "sort": ["\_doc"] }", docinfo\_target=\>"@metadata", docinfo\_fields=\>["\_index", "\_type", "\_id"]\> Error: [400] 400 No required SSL certificate was sent # 400 Bad Request No required SSL certificate was sent * * * openresty/1.11.2.4 Exception: Elasticsearch::Transport::Transport::Errors::BadRequest Stack: /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/base.rb:202:in `__raise_transport_error' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/base.rb:319:in`perform\_request' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/http/faraday.rb:20:in `perform_request' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/client.rb:131:in`perform\_request' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/elasticsearch-api-5.0.5/lib/elasticsearch/api/actions/search.rb:183:in `search' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/logstash-input-elasticsearch-4.2.1/lib/logstash/inputs/elasticsearch.rb:200:in`do\_run' /opt/app/logstash-6.5.4/vendor/bundle/jruby/2.3.0/gems/logstash-input-elasticsearch-4.2.1/lib/logstash/inputs/elasticsearch.rb:188:in `run' /opt/app/logstash-6.5.4/logstash-core/lib/logstash/pipeline.rb:409:in`inputworker' /opt/app/logstash-6.5.4/logstash-core/lib/logstash/pipeline.rb:403:in `block in start\_input' ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [May 8, 2019, 11:46am UTC](https://discuss.elastic.co/t/how-can-use-property-ca-file-in-elasticsearch-input-plugin/176205/2 "2019-05-08T11:46:32Z")
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