# Logstash Encountered an unexpected error submitting a bulk request! "undefined method \`sanitized'

**URL:** <https://discuss.elastic.co/t/logstash-encountered-an-unexpected-error-submitting-a-bulk-request-undefined-method-sanitized/103360>\
**Category:** Logstash\
**Created:** [October 10, 2017, 11:51am UTC](https://discuss.elastic.co/t/logstash-encountered-an-unexpected-error-submitting-a-bulk-request-undefined-method-sanitized/103360 "2017-10-10T11:51:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![icy-arctic-fox](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/icy-arctic-fox/32/22949_2.png) [@icy-arctic-fox](https://discuss.elastic.co/u/icy-arctic-fox)\
**Post date:** [October 10, 2017, 9:55pm UTC](https://discuss.elastic.co/t/logstash-encountered-an-unexpected-error-submitting-a-bulk-request-undefined-method-sanitized/103360/2 "2017-10-10T21:55:56Z")

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I'm encountering the same issue. It appears to have been introduced today in Logstash 5.6.3. I am running Logstash in a Docker container.

```
[2017-10-10T21:45:37,409][ERROR][logstash.outputs.elasticsearch] Encountered an unexpected error submitting a bulk request! Will retry. {:error_message=>"undefined method `sanitized' for \"http://172.17.0.1:9200/_bulk\":String", :class=>"NoMethodError", :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-7.4.0-java/lib/logstash/outputs/elasticsearch/common.rb:249:in `safe_bulk'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-7.4.0-java/lib/logstash/outputs/elasticsearch/common.rb:119:in `submit'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-7.4.0-java/lib/logstash/outputs/elasticsearch/common.rb:87:in `retrying_submit'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-7.4.0-java/lib/logstash/outputs/elasticsearch/common.rb:38:in `multi_receive'", "/usr/share/logstash/logstash-core/lib/logstash/output_delegator_strategies/shared.rb:13:in `multi_receive'", "/usr/share/logstash/logstash-core/lib/logstash/output_delegator.rb:49:in `multi_receive'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:436:in `output_batch'", "org/jruby/RubyHash.java:1342:in `each'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:435:in `output_batch'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:381:in `worker_loop'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:342:in `start_workers'"]}
```

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_[View the full topic](https://discuss.elastic.co/t/logstash-encountered-an-unexpected-error-submitting-a-bulk-request-undefined-method-sanitized/103360)._