# Encountered a retryable error. Will Retry with exponential backoff {:code=\>400

**URL:** <https://discuss.elastic.co/t/encountered-a-retryable-error-will-retry-with-exponential-backoff-code-400/142702>\
**Category:** Logstash\
**Created:** [August 2, 2018, 7:44am UTC](https://discuss.elastic.co/t/encountered-a-retryable-error-will-retry-with-exponential-backoff-code-400/142702 "2018-08-02T07:44:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![myName](https://avatars.discourse-cdn.com/v4/letter/m/e5b9ba/32.png) [@myName](https://discuss.elastic.co/u/myName)\
**Post date:** [August 2, 2018, 7:44am UTC](https://discuss.elastic.co/t/encountered-a-retryable-error-will-retry-with-exponential-backoff-code-400/142702/1 "2018-08-02T07:44:14Z")

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Hello

We are running logstash 5.6.3, and sometimes it stops inserting data into ES  
After restarting the logstash, the data appears in the kibana but the logstash log is filled with messages like this:

```
[2018-08-02T07:42:03,193][ERROR][logstash.outputs.elasticsearch] Encountered a retryable error. Will Retry with exponential backoff {:code=>400, :url=>"http://my_logstash_instance_name:9200/_bulk"}
[2018-08-02T07:42:16,428][ERROR][logstash.outputs.elasticsearch] Encountered a retryable error. Will Retry with exponential backoff {:code=>400, :url=>"http://my_logstash_instance_name:9200/_bulk"}
[2018-08-02T07:42:25,738][ERROR][logstash.outputs.elasticsearch] Encountered a retryable error. Will Retry with exponential backoff {:code=>400, :url=>"http://my_logstash_instance_name:9200/_bulk"}

```

there's no errors in ES log

help please

---

<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:** [August 30, 2018, 7:44am UTC](https://discuss.elastic.co/t/encountered-a-retryable-error-will-retry-with-exponential-backoff-code-400/142702/2 "2018-08-30T07:44:25Z")

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