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Splunk Logging for Java Changelog

Version 1.11.8

Minor Changes

  • Force okio version and upgrade okhttp3 to latest stable release to address CVE-2023-3635

Version 1.11.7

Bug Fixes

  • ClassCastException for Log4j Appender was fixed. (Github Issue #259)

Version 1.11.6

Enhancements

  • Sending Java Throwable object instead of exception message in event.
  • Formatter support added in formatting event message in Java Util Logging.
    • Any message formatter can be added from properties file.
    • By default, SimpleFormatter is used to format event message.
  • Layout (deprecated) in socket appender configuration (TcpAppender) is replaced with Encoder.

Minor Changes

  • Starting a new Dispatcher always for OkHttpClient builder. (PR #193)
  • README file modified with dependency management guidance. (PR #217)
  • JsonHttpContentType in HttpEventCollectorSender is fixed based on RFC7231 specs. (PR #256)
  • Event message strings starting with commenting characters (#, // & /**/) are allowed.

Version 1.11.5

Critical Security Update

Enhancements

  • Added StandardErrorCallback class. Register ErrorCallback implementations via logback or log4j xml config. (PR #215)
    • ErrorCallback class used to handle error other than Server errors.

Minor Changes

  • Bump org.slf4j:slf4j-api version to latest 1.7.36
  • Bump com.squareup.okhttp3:okhttp to latest 4.9.3
  • Bump com.google.code.gson:gson to latest 2.9.0
  • Flush HttpClient after flushing appenders. (PR #207)
  • Timeout settings modified for OKHttpClient. (PR #199)
  • Default behavior of Splunk event header & body are reverted back to v1.7.3. (PR #198)

Version 1.11.4

Critical Security Update

  • Update Logback to version 1.2.9 per CVE-2021-42550.

Version 1.11.3

Critical Security Update

  • Upgrade Log4J again v2.17.0 related to CVE-2021-45046 & CVE-2021-44228

Version 1.11.2

Critical Security Update

  • Upgrading log4J to 2.16 per CVE-2021-45046.

Version 1.11.1

Critical Security Update

  • Upgrading log4J to 2.15 per CVE-2021-44228. PR

Version 1.11.0

Minor Changes

  • Added a parameter to set await termination timeout. PR

Version 1.10.0

Bug Fixes

  • Fixed issue causing delayed time when using AsyncAppender (GitHub issue #186)
    • Now the timestamp is being recorded at the time when log event "occurs" instead of the time when log event is being "sent"

Minor Changes

  • Updated the project to use make conventions to spin up local dockerized instances.
  • Upgrade version of okhttp to 4.9.1.
  • Upgrade version of slf4j to 1.7.30.
  • Upgrade version of gson to 2.8.7.
  • Upgrade version of junit to 4.13.2.
  • Upgrade version of commons to 3.12.

Version 1.9.0

  • Resolve an issue with TcpAppender losing events when busy (@avdv)
  • Fix an issue with middleware not delegating on completion (@Blackbaud-MikeLueders)
  • Add EventHeaderSerializer that allows specifying HEC metadata (@snorwin)
  • Allow specification of timeout parameters
  • Allow time to be specified by EventBodySerializer (@avpavlov)
  • Use an Okhttp client per appender rather than a global client (@snorwin)
  • Fix an issue with empty strings in configs (@thomasmey)
  • Resolve an issue with sending raw events to HEC (@tburch)
  • Allow templated metadata values to be applied to an appender (@brunoalexandresantos)

Version 1.8.0

  • Update JSON serialization- message property should not be encoded as a string
  • Changed underlying HTTP client to OkHttp. This change should decrease memory usage and increase performance.
  • Updated Gradle build plugins to latest versions

Version 1.7.3

  • Update Log4j dependency version to 2.10.0 #114.

Version 1.7.2

  • Closing httpclient properly on logback shutdown #112.

Version 1.7.1

  • Change HttpEventCollectorLogbackAppender stop method to call this.sender.close() #93.
  • Rename 'Http' plugin name for HttpEventCollectorLog4jAppender to 'SplunkHttp' #92.

Version 1.7.0

  • Effectively the equivalent to Version 1.6.2

Version 1.6.2

  • Add support to allow users to define their own event body serializer for HTTP event adapter: Simply create a class implementing com.splunk.logging.EventBodySerializer, and add the full class name as a property (eventBodySerializer) to the adapter. Default will be a JSON event body containing message, severity, and other properties. #86.

Version 1.6.1

  • TcpAppender performance improvement, prevents 100% CPU usage #85.

Version 1.6.0

  • Changed messagedMimeType metadata property to messageFormat
  • Fixes unit tests, and performance issues
  • Fixes issues with log4j
  • Fixes Cookie Expiry date issue #74
  • Added Raw Endpoint support to HEC #75

Version 1.5.3

  • Add support for Logback access #54
  • Make more parameters optional for Log4j appender #47

Version 1.5.2

  • Add support for setting the host metadata field, GitHub issue #24.
  • Send additional logger attributes (logger name, thread name, context/property maps) to the event, GitHub pull request #29.
  • Add support for exception reporting as its own field.
  • Add support for marker including as its own field.

Version 1.5.1

  • Fix issues with Logback 1.1.x, see GitHub issue #21.

Version 1.5.0

  • Add support for HTTP Event Collector.

Version 1.0.1

  • Add fix for hanging logback thread in TcpAppender.

Version 1.0.0

Initial Splunk Logging for Java release.