jakartaee/platform-tck
Nov 2024 – Sep 2025
7 Months active
Languages Used
JavaSQLShellXML
Technical Skills
Build AutomationBuild System ConfigurationBuild System ManagementBuild SystemsBuild ToolsCDI
Arjan Tijms
PROFILE
Arjan Tijms
Arjan Tijms contributed to the jakartaee/platform-tck repository by engineering robust test infrastructure and build automation for Jakarta EE platform validation. He modernized test runners and streamlined build configurations using Java, Maven, and Arquillian, focusing on maintainability and CI/CD reliability. Arjan removed legacy EJB components, upgraded GlassFish runner integrations, and enhanced test observability with WebDriver and Chrome DevTools Protocol. His work included security hardening, dependency alignment, and the development of tools for automated client-stub retrieval. These efforts reduced maintenance overhead, improved test coverage and reproducibility, and enabled faster, more reliable feedback cycles for platform and persistence testing environments.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
62Total
Bugs
3
Commits
62
Features
18
Lines of code
277,864
Activity Months7
Work History
September 2025
9 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary focusing on GF8-aligned platform-tck capabilities, test environment simplification, and security hardening. Delivered a new Platform TCK Client Stubs Tool for automated client-stub retrieval, optimized CDI TCK environment by removing unnecessary 8GB mem setting, and completed GF8 compatibility and dependency alignment across all platform-tck runners with BOM updates and security hardening.
9 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary focusing on GF8-aligned platform-tck capabilities, test environment simplification, and security hardening. Delivered a new Platform TCK Client Stubs Tool for automated client-stub retrieval, optimized CDI TCK environment by removing unnecessary 8GB mem setting, and completed GF8 compatibility and dependency alignment across all platform-tck runners with BOM updates and security hardening.
September 2025
August 2025
4 Commits • 2 Features
Aug 1, 2025August 2025 focused on reducing legacy maintenance and strengthening test infrastructure for jakartaee/platform-tck. Delivered the sunset of EJB support by removing EJB tests, modules, and dependencies, simplifying the build and aligning with modern tech. Upgraded the GlassFish TCK test runner to the latest Arquillian version and enhanced the WebDriver-based test observability with ChromeDevToolsDriver to capture HTTP traffic, while correcting client utility paths to improve reliability. These changes reduce maintenance overhead, improve test reliability, and accelerate CI feedback for TCK validation.
August 2025
4 Commits • 2 Features
Aug 1, 2025August 2025 focused on reducing legacy maintenance and strengthening test infrastructure for jakartaee/platform-tck. Delivered the sunset of EJB support by removing EJB tests, modules, and dependencies, simplifying the build and aligning with modern tech. Upgraded the GlassFish TCK test runner to the latest Arquillian version and enhanced the WebDriver-based test observability with ChromeDevToolsDriver to capture HTTP traffic, while correcting client utility paths to improve reliability. These changes reduce maintenance overhead, improve test reliability, and accelerate CI feedback for TCK validation.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 – jakartaee/platform-tck: Infrastructure maintenance and build configuration cleanup for the Data TCK Runner. Delivered targeted cleanup to streamline testing infrastructure, reduce build noise, and improve reliability across environments.
1 Commits • 1 Features
Jul 1, 2025July 2025 – jakartaee/platform-tck: Infrastructure maintenance and build configuration cleanup for the Data TCK Runner. Delivered targeted cleanup to streamline testing infrastructure, reduce build noise, and improve reliability across environments.
July 2025
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for jakartaee/platform-tck highlighting three key deliveries and notable outcomes. Delivered security-conscious build and test infrastructure improvements, stabilized EE persistence tests with Arquillian, and improved test readability. Representative commits included: a5ef18ecbc9fbaa2b7b5e0a54025aa41a788fef0, 2f544ee12a1d65779556785b0a6505a7b0f6b3b3, 026ae194b9f70ef949ac6ea6205d0c820b5bbd2c, 2ae6c028b10bc2512f92316fdf016f43aab66f6d, 5a16e7e4fa137b7a507107babb1dbf530e8774f9, 46362fc2570fd0dcb03e64331191189dcb0d429a.
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for jakartaee/platform-tck highlighting three key deliveries and notable outcomes. Delivered security-conscious build and test infrastructure improvements, stabilized EE persistence tests with Arquillian, and improved test readability. Representative commits included: a5ef18ecbc9fbaa2b7b5e0a54025aa41a788fef0, 2f544ee12a1d65779556785b0a6505a7b0f6b3b3, 026ae194b9f70ef949ac6ea6205d0c820b5bbd2c, 2ae6c028b10bc2512f92316fdf016f43aab66f6d, 5a16e7e4fa137b7a507107babb1dbf530e8774f9, 46362fc2570fd0dcb03e64331191189dcb0d429a.
April 2025
6 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for jakartaee/platform-tck focusing on delivering measurable business value and robust test tooling. This period included targeted improvements to messaging test runner profiles, consolidation of build configurations for maintainability, and a platform upgrade with enhanced test tooling, complemented by a critical bug fix to ensure web profile inclusion in the Persistence TCK. Delivered changes are traceable to explicit commits, enabling reliable upgrade paths and reduced maintenance overhead.
6 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for jakartaee/platform-tck focusing on delivering measurable business value and robust test tooling. This period included targeted improvements to messaging test runner profiles, consolidation of build configurations for maintainability, and a platform upgrade with enhanced test tooling, complemented by a critical bug fix to ensure web profile inclusion in the Persistence TCK. Delivered changes are traceable to explicit commits, enabling reliable upgrade paths and reduced maintenance overhead.
April 2025
March 2025
11 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for jakartaee/platform-tck: Delivered substantive Platform TCK infrastructure updates and expanded DSOL debugging coverage, significantly enhancing stability, coverage, and maintainability. This work modernized tooling and test structure to align with runtime environments, improving CI reliability and validation velocity for Jakarta EE platform changes.
March 2025
11 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for jakartaee/platform-tck: Delivered substantive Platform TCK infrastructure updates and expanded DSOL debugging coverage, significantly enhancing stability, coverage, and maintainability. This work modernized tooling and test structure to align with runtime environments, improving CI reliability and validation velocity for Jakarta EE platform changes.
November 2024
25 Commits • 5 Features
Nov 1, 2024November 2024: Delivered a refreshed Jakarta EE 11 platform-tck suite with enhanced EJB test utilities, stabilized CI for EE APIs, and modernized the GlassFish runner under Jakarta naming. Addressed critical transaction context bugs in the GF runner and improved environment compatibility forJakarta EE 11, JDK 21, and GlassFish 8. Demonstrated strong automation, dependency management, and code-quality improvements that increase reliability, reproducibility, and faster feedback for downstream projects.
25 Commits • 5 Features
Nov 1, 2024November 2024: Delivered a refreshed Jakarta EE 11 platform-tck suite with enhanced EJB test utilities, stabilized CI for EE APIs, and modernized the GlassFish runner under Jakarta naming. Addressed critical transaction context bugs in the GF runner and improved environment compatibility forJakarta EE 11, JDK 21, and GlassFish 8. Demonstrated strong automation, dependency management, and code-quality improvements that increase reliability, reproducibility, and faster feedback for downstream projects.
November 2024
Activity
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Quality Metrics
Correctness86.4%
Maintainability86.4%
Architecture79.6%
Performance77.2%
AI Usage20.6%
Skills & Technologies
Programming Languages
JavaSQLShellXML
Technical Skills
ArquillianBackend DevelopmentBuild AutomationBuild ConfigurationBuild ManagementBuild System ConfigurationBuild System ManagementBuild SystemsBuild ToolingBuild ToolsCDICI/CDChrome DevTools ProtocolCode CleanupCode Formatting
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