2022-05-23T16:58:04,465][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>137763}
[2022-05-23T16:58:07,162][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>137763}
[2022-05-23T16:58:11,251][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>137763}
[2022-05-23T16:58:11,629][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>137049}
[2022-05-23T16:58:13,901][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>136787}
[2022-05-23T16:58:19,343][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>137763}
[2022-05-23T16:58:19,435][ERROR][logstash.outputs.Elasticsearch][main][22688175efc481c9ec82bea14cbf17c4ddb2d61eb55c743b4fb8c628613c91cd] Encountered a retryable error (will retry with exponential backoff) {:code=>400, :url=>"http://127.0.0.1:9200/_bulk", :content_length=>138585}
this is the error we see immediately after running conf_tmpl file.