After removing sincedb file then I started seeing the old log files as well. Thank you Leandro!
Hi Leandro,
Upgraded the logstash to 7.12.1 from 6.8.23. Tried to run same logstash conf file but got below error
> [2022-05-24T23:40:16,451][INFO ][logstash.runner ] Log4j configuration path used is: /etc/logstash/log4j2.properties
> [2022-05-24T23:40:16,462][INFO ][logstash.runner ] Starting Logstash {"logstash.version"=>"7.12.1", "jruby.version"=>"jruby 9.2.13.0 (2.5.7) 2020-08-03 9a89c94bcc OpenJDK 64-Bit Server VM 11.0.10+9 on 11.0.10+9 +indy +jit [linux-x86_64]"}
> [2022-05-24T23:40:17,651][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
> [2022-05-24T23:40:19,916][INFO ][org.reflections.Reflections] Reflections took 46 ms to scan 1 urls, producing 23 keys and 47 values
> [2022-05-24T23:40:33,533][INFO ][logstash.outputs.elasticsearch][main] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/]}}
> [2022-05-24T23:40:33,856][WARN ][logstash.outputs.elasticsearch][main] Restored connection to ES instance {:url=>"https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/"}
> [2022-05-24T23:40:33,908][INFO ][logstash.outputs.elasticsearch][main] ES Output version determined {:es_version=>7}
> [2022-05-24T23:40:33,913][WARN ][logstash.outputs.elasticsearch][main] Detected a 6.x and above cluster: the `type` event field won't be used to determine the document _type {:es_version=>7}
> [2022-05-24T23:40:33,939][ERROR][logstash.outputs.elasticsearch][main] Unable to get license information {:url=>"https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/", :error_type=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError, :error=>"Got response code '401' contacting Elasticsearch at URL 'https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/_license'"}
> [2022-05-24T23:40:33,945][WARN ][logstash.outputs.elasticsearch][main] DEPRECATION WARNING: Connecting to an OSS distribution of Elasticsearch using the default distribution of Logstash will stop working in Logstash 8.0.0. Please upgrade to the default distribution of Elasticsearch, or use the OSS distribution of Logstash {:url=>"https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/"}
> [2022-05-24T23:40:33,963][INFO ][logstash.outputs.elasticsearch][main] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["https://search-bsmhelkdomain-y7muh26u4lz646ile5b6dl5fve.us-east-2.es.amazonaws.com:443"]}
> [2022-05-24T23:40:34,036][INFO ][logstash.outputs.elasticsearch][main] Using a default mapping template {:es_version=>7, :ecs_compatibility=>:disabled}
> [2022-05-24T23:40:34,097][ERROR][logstash.outputs.elasticsearch][main] Failed to install template. {:message=>"Got response code '401' contacting Elasticsearch at URL 'https://search-domain-y7muh26u4l.us-east-2.es.amazonaws.com:443/_xpack'", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError", :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb:80:in `perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:317:in `perform_request_to_url'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:304:in `block in perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:399:in `with_connection'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:303:in `perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:311:in `block in Pool'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client.rb:197:in `get'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client.rb:418:in `get_xpack_info'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/ilm.rb:57:in `ilm_ready?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/ilm.rb:28:in `ilm_in_use?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/template_manager.rb:15:in `install_template'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch.rb:426:in `install_template'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch.rb:274:in `block in register'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/plugin_mixins/elasticsearch/common.rb:137:in `block in setup_after_successful_connection'"]}
> [2022-05-24T23:40:34,207][INFO ][logstash.javapipeline ][main] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>2, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50, "pipeline.max_inflight"=>250, "pipeline.sources"=>["/etc/logstash/conf.d/logstash.conf"], :thread=>"#<Thread:0x19555fbe run>"}
> [2022-05-24T23:40:34,209][FATAL][logstash.runner ] An unexpected error occurred! {:error=>#<LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError: LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError>, :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb:80:in `perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:317:in `perform_request_to_url'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:304:in `block in perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:399:in `with_connection'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:303:in `perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:311:in `block in Pool'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client.rb:197:in `get'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/http_client.rb:418:in `get_xpack_info'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/ilm.rb:57:in `ilm_ready?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch/ilm.rb:28:in `ilm_in_use?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/outputs/elasticsearch.rb:275:in `block in register'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.8.6-java/lib/logstash/plugin_mixins/elasticsearch/common.rb:137:in `block in setup_after_successful_connection'"]}
> [2022-05-24T23:40:34,255][FATAL][org.logstash.Logstash ] Logstash stopped processing because of an error: (SystemExit) exit
> org.jruby.exceptions.SystemExit: (SystemExit) exit
> at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:747) ~[jruby-complete-9.2.13.0.jar:?]
> at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:710) ~[jruby-complete-9.2.13.0.jar:?]
> at usr.share.logstash.lib.bootstrap.environment.<main>(/usr/share/logstash/lib/bootstrap/environment.rb:89) ~[?:?]
Can you please provide any suggestions?
Thank you,
Karthik
Which version of Elasticsearch are you using? And which distribution?
You should try to keep Logstash and Elasticsearch in the same version.
Also, it seems that you are using the AWS Distribution of Elasticsearch, it won't work with Logstash versions higher than 7.10.X.
I am using Elasticsearch 7.1 version and it's AWS Legacy distribution of Elasticsearch.
Currently installed logstash 7.12.1 version.
Just to make sure - Is Elasticsearch 7.1 not compatible with logstash 7.12.1? And is it mandatory to keep Logstash and Elasticsearch in the same version?
Elasticsearch 7.1 is EOL and no longer supported. Please upgrade ASAP.
(This is an automated response from your friendly Elastic bot. Please report this post if you have any suggestions or concerns 
)
No, but not every version is compatible with every other version. See this post.
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