IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Logstash Reference [5.0] ›Release Notes

Logstash 5.0.1 Release Notes

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Logstash 5.0.1 Release Notes

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  • Fixed a startup issue for users who installed from packages, but were unable to start Logstash by running bin/logstash because the settings file, logstash.yml, did not exist. Logstash no longer requires logstash.yml for startup, but running Logstash without the logstash.yml file is not ideal or recommended for production environments (Issue 6170).
  • Fixed a bug that caused Logstash to crash when the incoming data already had a field called tags and Logstash tried to append more tags to it (Issue 6142).
  • Increased the current polling interval of a background thread that retrieves stats from the JVM and OS layer from 1s to 5s (Issue 6160).
  • Changed the behavior of how Logstash merges config strings when you start Logstash with the -e and -f options specified. Previously, Logstash required the config files specified by -f to be valid before merging. Logstash now reads the config specified by -e even if -f yields no config files (Issue 6164).
  • Improved the user feedback message that displays when Logstash is manually started after a package install (Issue 6061).

Input Plugins

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Beats:

  • The plugin can now bind to a specific host using the host config (Issue 146).
  • Fixed an issue where only the first certificate found in the CA chain was taken into consideration to verify clients (Issue 153).
  • Validate the presence of ssl_certificate_authorities when verify_mode is set to FORCE_PEER or PEER (Issue 155).
  • Fixed a typo in the default ciphers suite and added validations to catch such issues in the future (Issue 156).

RabbitMQ:

  • Fixed issue where Logstash was unable to connect to RabbitMQ because the input plugin was blocking the Logstash pipeline (Issue 91).
  • To improve debugging, we now include the URL of server when logging connection errors.

Kafka:

  • Fixed high CPU usage issue when reading from Kafka topics. Previously, the consumer thread was polling very frequently for new messages from the broker (Issue 124).

Filter Plugins

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Grok:

  • When using the execution cancellation feature, Grok could crash Logstash under high concurrent loads. This has been fixed (Issue 97).

XML:

  • Fixed a bug where the plugin would report the following error when really it should have reported an invalid configuration: translation missing: en.logstash.agent.configuration.invalid_plugin_register.

Output Plugins

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Elasticsearch:

  • Fixed log message that displayed password when basic authentication was setup in this plugin (Issue 124).
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