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AWS Advanced JDBC Wrapper - v3.3.0

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@github-actions github-actions released this 26 Mar 19:08
· 97 commits to main since this release
3.3.0
095ec1b

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.

[3.3.0] - 2026-03-26

🪄 Added

  • Added connection state snapshot to exceptions as a suppressed exception, providing detailed driver state information (topology, plugin state, recent events) to aid troubleshooting (PR #1720, PR #1742).
  • Added ability to set host availability based on the latest connection results in panic mode, allowing the host list provider to reflect actual node health (PR #1745).
  • Added Remote Query Cache Plugin and plugin documentation (PR #1531,PR #1771, PR #1784, PR #1797).

🐛 Fixed

  • Fixed 5-second delay when using the failover plugin caused by an unnecessary sleep (PR #1774).
  • Fixed security exception thrown by pgjdbc under Java 24 (PR #1780).
  • Fixed exception raised when a connection was already cleaned up during garbage collection (PR #1785).
  • Fixed Blue/Green connect routing to overrule other plugins and properly handle connection exceptions during switchover (PR #1741).
  • Fixed Blue/Green plugin to drop blue connections when a switchover starts (PR #1744).
  • Fixed writer availability not being updated when a new writer host is detected after failover (PR #1746).
  • Fixed SAML auth plugins (Okta/ADFS) using local credentials instead of assumed SAML credentials when looking up region for Global Database endpoints (PR #1712).
  • Fixed read/write splitting and failover plugin ordering to ensure correct behavior (PR #1721).
  • Fixed cache removal from fastest response strategy as it was unnecessary (PR #1709).
  • Fixed instanceName comparison to use host instead of hostId (PR #1796).
  • Removed unnecessary isClosed flag that was never being set (PR #1710).
  • Masked connection properties containing "password" (e.g. trustCertificateKeyStorePassword) in logs (PR #1740).

🦀 Changed

  • Removing the IP address check in StaleDnsHelper (PR #1695).
  • Removed panic mode cooldown to prevent issues where the plugin exits panic mode prematurely during GDB failover (PR #1708).
  • Refactored EFM plugins to use storage and monitoring services (PR #1756).
  • Refactored IAM auth plugins to use StorageService (PR #1759).
  • Refactored federated auth plugins to use StorageService (PR #1758).
  • Refactored fastest response time strategy plugin to use StorageService (PR #1760).
  • Refactored SecretsManager plugin to use StorageService (PR #1763).
  • Introduced abstract SamlAuthPlugin to reduce code duplication between Okta and ADFS plugins (PR #1755).
  • Refactored host role retrieval logic (PR #1684).
  • Replaced background connection pruning thread with ScheduledExecutorService for simpler and more reliable cleanup (PR #1782).
  • Updated Hibernate integration tests to run against Java 17, 21, 22, and 24 using Hibernate 7.3.0; updated Spring and Hibernate sample code to latest versions (PR #1783).
  • Split MySQL and MariaDB driver integration test workflows to reduce runtime and avoid hitting GitHub Actions 6-hour limit (PR #1723).
  • Added integration tests for major Java LTS versions (PR #1769, PR #1773, PR #1786).
  • Fixed Blue/Green deployment integration tests: removed premature certificate change assertion, fixed MariaDB IAM connectivity, and added post-switchover execution assertions (PR #1705).
  • Small performance optimization for HostSpec class (PR #1724).
  • Optimized WeightedRandomHostSelector using weighted reservoir sampling, removing dependency on the weightedRandomHostWeightPairs property and reducing the number of list traversals (PR #1701).
  • Use a context pool to reduce memory allocation overhead in efm plugins (PR #1770).
  • Documentation:
    • Document AWS credentials requirements for plugins using the AWS SDK (PR #1706).
    • Updated GDB docs and set gdbRwRestrictWriterToHomeRegion and gdbRwRestrictReaderToHomeRegion to true by default (PR #1730).
    • Updated parameter list in README (PR #1731).
    • Clarified that the bg plugin can be left on post-switchover but will consume additional resources (PR #1722).
    • Fixed broken link to clusterId docs in UsingTheFailover2Plugin.md (PR #1748).
    • Fixed incorrect comment in topology utils (PR #1747).
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