AWS Advanced JDBC Driver - v2.3.8

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.8] - 2024-07-31

🐛 Fixed

• Avoid setting a blank catalog when closing a connection (PR #1047).
• Ensure the enableGreenNodeReplacement parameter setting is used during connection (Issue #1059).
• Ensure GovCloud DNS patterns are supported (PR #1054).

AWS Advanced JDBC Driver - v2.3.7

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.7] - 2024-06-05

🪄 Added

• Documentation:
  • Warnings of transitive dependencies for IAM, Federated, and Okta Authentication plugins (PR #1007).
  • Section in Known Limitations regarding Virtual Threading and possible pinning due to use of synchronized in the codebase (Issue #1024).

🐛 Fixed

• Driver incorrectly truncating nested connection options when parsing connection urls resulting in unexpected errors (PR #988).
• ConfigurationProfilePresetCodes.isKnownPreset incorrectly returning false (Issue #1000).
• Documentation:
  • Incorrect reference to Federated Authentication Plugin (PR #1008).
  • Broken links in code example documentation (Issue #1017).

AWS Advanced JDBC Driver - v2.3.6

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.6] - 2024-05-01

🪄 Added

• Okta Authentication Support. See UsingTheOktaAuthPlugin.
• Documentation:
  • Aurora Initial Connection Strategy Plugin. See UsingTheAuroraInitialConnectionStrategyPlugin
  • Additional instructions to enable logging for Spring and Spring Boot. See Logging.

🐛 Fixed

• Connection identification and tracking in the host list provider (PR #943)[https://github.com//pull/943].
• Green node endpoint replacement, allowing the AWS JDBC Driver to detect and connect to green nodes after Blue/Green switchover (PR# 948)(#948). Addresses issue #678.
• MariaDB Pool Datasource support. Addresses issue #957.

🦀 Changed

• Log level of Failover.startWriterFailover and Failover.establishedConnection from fine to info for better visibility of failover-related logs (Issue #890).
• Telemetry's connection property documentation. See Telemetry.

AWS Advanced JDBC Driver - v2.3.5

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.5] - 2024-03-14

🪄 Added

• Sample code configuring the AWS JDBC Driver with DBCP (PR #930).

🦀 Changed

• Fix issue with deadlock while using prepared transactions and PostgreSQL Explicit Locking (PR #918).
• Removed ConnectionStringHostListProvider#identifyConnection since it is not used (PR #920).

AWS Advanced JDBC Driver - v2.3.4

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.4] - 2024-03-01

🪄 Added

• Documentation:
  • Bundled Uber Jar for Federated Authentication. See UsingTheFederatedAuthPlugin.
  • Using the Read Write Splitting Plugin's internal connection pool with Spring applications. See UsingTheReadWriteSplittingPlugin.
• Spring Framework application code examples with load balanced access to database cluster reader instances (PR #852).
• New configuration preset SF_ optimized for Spring Framework applications (PR #852).
• Lightweight alternative for IAM token generator that requires fewer dependencies (PR #867).

🐛 Fixed

• Fixes to session state transfer (PR #852).
• Enhanced Host Monitoring Plugin (EFM) v2 plugin to use ConcurrentHashMap instead of HashMap to avoid ConcurrentModificationException (Issue #855).
• Move lock location and skip executing Statement.getConnection when running Statement.cancel to fix Statement.cancel for MySQL (PR #851).
• Remove Telemetry trace associated with a Monitor thread because traces for long-running tasks is an anti-pattern (PR #875).

🦀 Changed

• HostSelector implementations to take into account HostAvailability (PR #856).
• Reduced the number of Regular Expression checks with Matcher.find to improve performance (PR #854).
• HostSpec class to not use a default lastUpdateTime and instead use null (PR 877).
• Moved Reader Selection Strategies out of the UsingTheReadWriteSplittingPlugin doc and into its own page. See ReaderSelectionStrategies.

AWS Advanced JDBC Driver - v2.3.3

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.3] - 2024-01-23

🪄 Added

• Documentation:
  • Read Write Splitting Plugin Limitations with Spring Boot/Framework.
  • AWS Profile configuration parameter. See README, UsingTheJDBCDriver, and AwsCredentialsConfiguration.
• Example code for ReadWriteSplitting Plugin (PR #765).
• Enabling AWS Profile for IAM and AWS Secrets Manager authentication plugins (PR #786).

🐛 Fixed

• SqlMethodAnalyzer to handle empty SQL query and not throw IndexOutOfBoundsException (PR #798).
• Restructure try blocks in dialects for exception handling (PR #799).
• Log message to communicate that an RDS Custom Cluster endpoint can't be used as the 'clusterInstanceHostPattern' configuration setting (PR 801).
• Make a variable volatile in RdsHostListProvider (Issue #486).
• Transfer session state during failover (Issue #812).
• Release all stopped monitors so that they are not reused (PR #831).
• Added update candidates for the MariaDB dialect in order to swap to MySQL dialects in the case of using a MySQL database with the protocol jdbc:aws-wrapper:mariadb://, and fixed the RDS MySQL dialect from incorrectly returning false in isDialect method (Issue #789).

🦀 Changed

• Session state tracking and transfer redesign (PR #821).
• Improve Multi-AZ cluster detection (PR #824).
• Enhanced Host Monitoring Plugin (EFM) v2 plugin is now a default plugin. The original EFM plugin can still be used by specifying efm in the wrapperPlugins parameter (PR #825).
• Update China endpoint patterns (PR #832).

AWS Advanced JDBC Driver - v2.3.2

Changelog

All notable changes to this project will be documented in this file.

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

[2.3.2] - 2023-12-18

🪄 Added

• Federated Authentication Plugin, which supports SAML authentication through ADFS (PR #741).
• Experimental Enhanced Host Monitoring Plugin v2, which is a redesign of the original Enhanced Host Monitoring Plugin that addresses memory leaks and high CPU usage during monitoring sessions (PR #764).
• Fastest Response Strategy Plugin, which implements a new autoscaling strategy (PR #755).
• Plugin code for Aurora Initial Connection Strategy Plugin. This plugin returns an instance endpoint when connected using a cluster endpoint (PR #784).

🐛 Fixed

• Use existing entries to update the round-robin cache (PR #739).

🦀 Changed

• Updated HikariCP example to include configuring the datasource with a JDBC URL (PR #749).
• Replaced the sychronized keyword with reentrant locks in AwsCredentialsManager (PR #785).
• Set HostId in HostSpec when connecting using Aurora instance endpoints (PR #782).

AWS Advanced JDBC Driver - v2.3.1

Changelog

All notable changes to this project will be documented in this file.

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

Changelog

All notable changes to this project will be documented in this file.

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

[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

Changelog

All notable changes to this project will be documented in this file.

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

[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).