JavaGuide

Jan 13, 2026 · Backend Development

Claude Code Generates Unexpected Bugs: 4 Real-World Spring Pitfalls and Fixes

During a Spring‑based interview platform project, the author discovered four typical bugs introduced by Claude Code—transactional self‑invocation loss, AI‑generated NullPointerExceptions, async task failures after entity deletion, and Redis Stream message buildup—and explains the root causes and concrete remediation steps.