AWS Advanced JDBC Driver - v2.3.1

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The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.3.1] - 2023-11-29

🪄 Added

• User defined session state transfer functions (PR #729).
• Documentation for using the driver with RDS Multi-AZ database clusters (PR #740).
• Configuration profiles and configuration presets (PR #711 and PR #738).

🐛 Fixed

• Stopped monitoring threads causing out of memory errors (PR #718).
• Automatically register a target driver in the class path to prevent No suitable driver SQL exceptions (PR #748).

🦀 Changed

• Session state tracking to include additional state information (PR #729).
• Log level for intentionally ignored exceptions to reduce the number of warnings (PR #751).

AWS Advanced JDBC Driver - v2.3.0

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[2.3.0] - 2023-11-15

🪄 Added

• Fast switchover support for Amazon RDS Multi-AZ DB Clusters (PR #690).
• Endpoint override for the AWS Secrets Manager plugin (PR #707).
• Allow users to set up a lambda to initialize new connections (PR #705).
• Introduced Dialect.prepareConnectProperties to allow dialect classes to modify connection properties when opening a new connection (PR #704).
• Native telemetry support (PR #617).
• Documentation on known limitations with global databases (PR #695).

🐛 Fixed

• Continue monitoring if unhandled Exception is thrown (PR #676).
• Password properties are now masked in logs (PR #701 and PR #723).
• Issue when getting a connection for a closed statement (PR #682).
• Maven coordinates in README (PR #681).
• Update topology for specific methods (PR #683).

🦀 Changed

• Added buffer to IAM token expiry and moved token expiry time creation (PR #706).
• Documentation on known limitations with Blue/Green deployments (PR #680).

AWS Advanced JDBC Driver - v2.2.5

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[2.2.5] - 2023-10-03

🪄 Added

• Optional preservation of partial session state post failover (PR #632).
• Round Robin host selection strategy (PR #603).
• Sample application failover retry with Spring Boot (PR #638).

🦀 Changed

• Renamed the messages.properties file to aws_advanced_jdbc_wrapper_messages.properties (Issue #633).

AWS Advanced JDBC Driver - v2.2.4

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[2.2.4] - 2023-08-29

🪄 Added

• Host Availability Strategy to help keep host health status up to date (PR #530).
• Implement setLoginTimeout from a suggested enhancement (Discussion #509).

🐛 Fixed

• Allow connecting with reader cluster endpoints for Aurora PostgreSQL versions 13.9 and greater by changing the AuroraPgDialect topology query (Issue #593).
• Race condition issues between MonitorThreadContainer#getInstance() and MonitorThreadContainer#releaseInstance() (PR #601).

🦀 Changed

• Dynamically sets the default host list provider based on the dialect used. User applications no longer need to manually set the AuroraHostListProvider when connecting to Aurora Postgres or Aurora MySQL databases.
• Deprecated AuroraHostListConnectionPlugin.
  • As an enhancement, the wrapper is now able to automatically set the Aurora host list provider for connections to Aurora MySQL and Aurora PostgreSQL databases.
    Aurora Host List Connection Plugin is deprecated. If you were using the AuroraHostListConnectionPlugin, you can simply remove the plugin from the wrapperPlugins parameter.
    However, if you choose to, you can ensure the provider is used by specifying a topology-aware dialect, for more information, see Database Dialects.
• Propagate Connection.clearWarnings() to underlying connections in the Read Write Splitting Plugin so that the connection object does not accumulate warning messages (Issue #547).
• Close underlying connections in the Read Write Splitting Plugin after switching to read-write or read-only depending on whether internal connection pooling is used (PR #583).
• Sort plugins by default to prevent plugin misconfiguration. This can be disabled by setting the property autoSortWrapperPluginOrder to false (PR #542).
• Documentation:
  • Clarified AWS JDBC Driver limitations with Blue/Green deployments. See Known Limitations.
  • Updated and reworded main README.md page.

AWS Advanced JDBC Driver - v2.2.3

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[2.2.3] - 2023-07-28

🪄 Added

• Developer plugin to help test various scenarios including events like network outages and database cluster failover. This plugin is NOT intended to be used in production environments and is only for testing (PR #531).
• Documentation:
  • Developer plugin. See UsingTheJdbcDriver and UsingTheDeveloperPlugin.
  • MySQL code samples (PR #532).
  • Add a Table of Contents section for the sample codes on README.md. See README.md.
  • Sample tutorial and code example for Vert.x. See the tutorial and code example.
  • Added Properties section on the README listing all the driver properties and where they are used. See the README.md

AWS Advanced JDBC Driver - v2.2.2

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[2.2.2] - 2023-07-05

🪄 Added

• Official support for Amazon Aurora with MySQL compatibility. The AWS JDBC Driver has been validated to support MySQL JDBC Driver and MariaDB JDBC Driver.
• Documentation:
  • Maintenance and release policy (PR #442 and PR #507).
  • Migration guide for moving from the AWS JDBC Driver for MySQL to the AWS JDBC Driver (PR #510).

🦀 Changed

• Improved integration test suite performance by creating required test database clusters in advance (PR #411).
• Documentation:
  • Correct portNumber to serverPort in Hikari example (PR #504).
  • Updated Maven Central links and references to third party framework examples (PR #499).

AWS Advanced JDBC Driver - v2.2.1

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[2.2.1] - 2023-6-16

🐛 Fixed

• Move the Spring Wildfly example gradle.properties file to examples/SpringWildflyExample/spring (Issue #491).

AWS Advanced JDBC Driver - v2.2.0

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[2.2.0] - 2023-6-14

🪄 Added

• Autoscaling and the least connections strategy (PR #451).
• Target driver dialects (PR #452).
• Elastic Load Balancer URL support (PR #476).
• Documentation:
  • Using the Driver with plain RDS Databases. See Using the Driver.
  • Internal connection pool behaviour only verifying password on initial connection. See Using the Read Write Splitting Plugin Internal Connection Pooling document and code example.
  • Link performance test in table of contents. See Documentation Table of Contents.
  • Cluster URLs are not internally pooled. See Using Read Write Splitting Plugin Internal Connection Pooling.
  • The leastConnections strategy in the Using Read Write Splitting Plugin Internal Connection Pooling at point 3.
• Sample code and tutorial for using the driver with:
  • Spring and Hibernate
  • Spring and Wildfly
  • Spring and Hikari

🐛 Fixed

• Pruned null connections in connection tracker plugins (PR #461).
• HikariCP integration tests and reworked AwsWrapperDataSource by removing property names, introduced a set of simple properties to set database, server name and server port (PR #468).
• Checkstyle failure due to modified license and driver connection provider passing original properties resulting properties being overridden for subsequent connections (PR #471).
• IamAuthConnectionPlugin to properly prioritize the override property IAM_DEFAULT_PORT then Hosts port, and then Dialect port (Issue #473).
• Values for the wrapperLoggerLevel parameter are no longer case-sensitive (#PR #481).

🦀 Changed

• Extended test logs with thread names (PR #465).
• Updated logging format so it is easier to distinguish the logger name from the log message (PR #469).

AWS Advanced JDBC Driver - v2.1.2

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[2.1.2] - 2023-5-21

🦀 Changed

• Explicitly check for 28000 and 28P01 SQLStates in the IAM authentication plugin after SQLExceptions are thrown (PR #456 and PR #457).

AWS Advanced JDBC Driver - v2.1.1

Changelog

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[2.1.1] - 2023-5-15

🐛 Fixed

• MySQL reference in code that could impact workflows with other drivers (PR #446).