Improve jwtAuth error reporting#2947
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📝 WalkthroughWalkthroughJwtAuthInterceptor improves error handling by logging JWT validation failures and returning the actual exception message in error responses, restructures validation configuration for clarity, and reformats documentation without changing public behavior. ChangesJWT Auth Interceptor Error Handling and Documentation Update
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Possibly related PRs
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🧹 Nitpick comments (1)
core/src/main/java/com/predic8/membrane/core/interceptor/jwt/JwtAuthInterceptor.java (1)
104-104: ⚡ Quick winSimplify the logging statement to avoid redundancy.
The current logging statement includes both
e.getMessage()as a parameter and the exceptioneitself. This causes the exception message to appear twice in the logs. The static analysis tool correctly identifies this as having too many arguments.Consider using the standard pattern of logging the exception directly, which automatically includes the message and stack trace:
♻️ Simplified logging pattern
- log.error("JWT validation failed: {}", e.getMessage(), e); + log.error("JWT validation failed", e);🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@core/src/main/java/com/predic8/membrane/core/interceptor/jwt/JwtAuthInterceptor.java` at line 104, In JwtAuthInterceptor (the method that catches JWT validation exceptions), simplify the log call by removing the explicit e.getMessage() parameter and log the exception directly; replace the current log.error("JWT validation failed: {}", e.getMessage(), e) with a single call that includes the message and the throwable (e) so the logger prints both message and stack trace without duplicating the exception text.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In
`@core/src/main/java/com/predic8/membrane/core/interceptor/jwt/JwtAuthInterceptor.java`:
- Line 104: In JwtAuthInterceptor (the method that catches JWT validation
exceptions), simplify the log call by removing the explicit e.getMessage()
parameter and log the exception directly; replace the current log.error("JWT
validation failed: {}", e.getMessage(), e) with a single call that includes the
message and the throwable (e) so the logger prints both message and stack trace
without duplicating the exception text.
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core/src/main/java/com/predic8/membrane/core/interceptor/jwt/JwtAuthInterceptor.java
| .buildAndSetResponse(exc); | ||
| return RETURN; | ||
| } catch (InvalidJwtException e) { | ||
| log.error("JWT validation failed: {}", e.getMessage(), e); |
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Use level info. That wrong input is sent is normal operation. INFO is default log level, so it appears in the log.
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@shreyash24-tech thanks for opening this PR. We'll review it shortly. |
| log.error("JWT validation failed: {}", e.getMessage(), e); | ||
| ProblemDetails.security(router.getConfiguration().isProduction(), "jwt-auth") | ||
| .detail(ERROR_VALIDATION_FAILED) | ||
| .detail(e.getMessage()) |
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.detail("JWT validation failed: " +e.getMessage())
2 participants
Summary
Improved jwtAuth error reporting by exposing the actual
InvalidJwtExceptionmessage instead of returning a generic validation failure message.Changes
e.getMessage()Result
JWT-related issues such as expired tokens, malformed JWTs, or invalid signatures are now easier to debug.
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Release Notes