opentripplanner/OpenTripPlanner
Feb 2026 – Mar 2026
2 Months active
Languages Used
Java
Technical Skills
Cross-Platform DevelopmentFile HandlingJavaJSON handlingunit testing
Arnljot Arntsen
PROFILE
Arnljot Arntsen
Arnljot Arntsen focused on stabilizing and improving cross-platform file handling in the OpenTripPlanner repository over a two-month period. He addressed critical Windows compatibility issues by normalizing line endings and ensuring consistent file writes, which reduced build failures and improved reliability across Windows, macOS, and Linux environments. Using Java, he refactored error handling and enhanced JSON pretty printing, resulting in more maintainable and readable code. His work emphasized robust debugging, code hygiene, and unit testing, directly improving developer experience and CI stability. The depth of his contributions lay in resolving subtle platform-specific bugs and strengthening the project’s cross-platform consistency.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
2Total
Bugs
2
Commits
2
Features
0
Lines of code
42
Activity Months2
Your Network
59 peopleSame Organization
@entur.org8
Shared Repositories
51
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Work History
March 2026
1 Commits
Mar 1, 2026March 2026 monthly summary for OpenTripPlanner (opentripplanner/OpenTripPlanner). Focused on reliability, cross-platform consistency, and code quality in core repository.
1 Commits
Mar 1, 2026March 2026 monthly summary for OpenTripPlanner (opentripplanner/OpenTripPlanner). Focused on reliability, cross-platform consistency, and code quality in core repository.
March 2026
February 2026
1 Commits
Feb 1, 2026February 2026 — OpenTripPlanner (opentripplanner/OpenTripPlanner): Focused on stabilizing cross-platform file handling and Windows compatibility. Delivered a critical bug fix to normalize line endings and ensure consistent file writes across Windows and Unix-like environments, addressing build failures and improving developer experience.
February 2026
1 Commits
Feb 1, 2026February 2026 — OpenTripPlanner (opentripplanner/OpenTripPlanner): Focused on stabilizing cross-platform file handling and Windows compatibility. Delivered a critical bug fix to normalize line endings and ensure consistent file writes across Windows and Unix-like environments, addressing build failures and improving developer experience.
Activity
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Quality Metrics
Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Cross-Platform DevelopmentFile HandlingJSON handlingJavaunit testing
Repositories Contributed To
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