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Taizo Kurashige

PROFILE

Taizo Kurashige

Worked on stabilizing and improving test reliability across JetBrainsRuntime and corretto repositories, focusing on Windows and cross-platform environments. Addressed test flakiness by enforcing deterministic English WMIC output for Windows commands and introduced a getCDDriveSpace helper to accurately report CD-ROM drive space, using C and Java for system-level operations. Enhanced cryptography test stability in corretto-8 by adjusting NSS ECC state, improving CI consistency on RHEL9. Applied expertise in build tools, system programming, and security testing to reduce false negatives and maintenance overhead, ensuring more reliable nightly builds and safer releases through targeted bug fixes and robust cross-platform test engineering.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

4Total
Bugs
4
Commits
4
Features
0
Lines of code
239
Activity Months4

Your Network

259 people

Shared Repositories

259
Kerem KatMember
Sergey BylokhovMember
SendaoYanMember
Jan KratochvilMember
Andrew HaleyMember
Severin GehwolfMember
Aleksey ShipilevMember
Galder ZamarreñoMember
Ben TaylorMember

Work History

April 2025

1 Commits

Apr 1, 2025

April 2025 summary for corretto/corretto-21 focused on stabilizing Windows-specific storage IO tests and improving cross-platform reliability. Delivered a Windows CD-ROM drive space reporting test fix by introducing a dedicated getCDDriveSpace helper and using df to retrieve space, with updated test logic to handle CD drives correctly. This work reduces CI flakiness and ensures accurate space reporting across platforms, supporting safer releases.

March 2025

1 Commits

Mar 1, 2025

March 2025 monthly summary for repository corretto/corretto-8. Focused on stabilizing cryptography-related tests and aligning test metadata with release cadence. Implemented a targeted NSS ECC state change and updated test copyright year to reflect the latest release, improving cross-environment reliability and CI confidence.

January 2025

1 Commits

Jan 1, 2025

January 2025 (JetBrainsRuntime) – Key fix: Windows CD-ROM drive space reporting and test failures resolved by introducing getCDDriveSpace (uses df -k -P) to retrieve space information and ensure accurate reporting across drive types. This improved test reliability and cross-platform consistency, reducing flaky failures in Windows environments and aligning CD-ROM space reporting with other platforms.

November 2024

1 Commits

Nov 1, 2024

Monthly performance summary for 2024-11 focused on stabilizing Windows jpackage tests within the JetBrainsRuntime repository, delivering deterministic test results across locales and strengthening CI reliability.

Activity

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Quality Metrics

Correctness87.6%
Maintainability85.0%
Architecture75.0%
Performance62.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CJava

Technical Skills

Build ToolsC DevelopmentCross-Platform DevelopmentCross-platform DevelopmentFile System OperationsJNIJava DevelopmentSecurity TestingSystem ProgrammingTestingWindows Development

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

JetBrains/JetBrainsRuntime

Nov 2024 Jan 2025
2 Months active

Languages Used

JavaC

Technical Skills

Build ToolsTestingWindows DevelopmentC DevelopmentCross-platform DevelopmentJava Development

corretto/corretto-8

Mar 2025 Mar 2025
1 Month active

Languages Used

Java

Technical Skills

Java DevelopmentSecurity Testing

corretto/corretto-21

Apr 2025 Apr 2025
1 Month active

Languages Used

CJava

Technical Skills

Cross-Platform DevelopmentFile System OperationsJNITesting