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๐Ÿ”ฅ Microservice Communication - Handle Exceptions with FeignClient | Real-World Example Inside!

Java Techie

2025. 6. 28.

0ํšŒ

#backend
#infra
  • FeignClient๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค ๊ฐ„ ํ†ต์‹  ์‹œ ์ปค์Šคํ…€ ํ—ค๋”๋ฅผ ์ถ”๊ฐ€ํ•˜๊ณ  ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค. ๐Ÿ”‘
  • @RequestHeader ์–ด๋…ธํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•˜์—ฌ ์„œ๋ฒ„ ์ธก์—์„œ ํ—ค๋”๋ฅผ ๋ฐ›๊ณ  ์œ ํšจ์„ฑ ๊ฒ€์‚ฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. ๐Ÿ›ก๏ธ
  • FeignClient๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ํด๋ผ์ด์–ธํŠธ ์ธก์—์„œ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ ์ „๋žต์„ ๊ตฌํ˜„ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค. ๐Ÿšจ
  • @RestControllerAdvice๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ „์—ญ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ๊ธฐ๋ฅผ ์ •์˜ํ•˜๊ณ  FeignException์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. โš™๏ธ
  • FeignException์˜ ์ƒํƒœ ์ฝ”๋“œ์— ๋”ฐ๋ผ ๋‹ค๋ฅธ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ ๋กœ์ง์„ ์ ์šฉํ•˜๋Š” ์ตœ์ ํ™”๋œ ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค. ๐Ÿ’ก

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