๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

Error2

NoClassDefFoundError [IntelliJ] ์ข…์ข… ์ธํ…”๋ฆฌ์ œ์ด์—์„œ ํ”„๋กœ์ ํŠธ์˜ Dependency๋ฅผ ์ฝ์–ด์˜ค์ง€ ๋ชปํ•˜๋Š” ๊ฒฝ์šฐ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ•œ๋‹ค. ์ •ํ™•ํ•œ ์ด์œ ๋‚˜ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•  ์ˆ˜ ์—†์ง€๋งŒ, ๊ฐ€์žฅ ๋จผ์ € ํ•  ์ผ์€ "์ด๋ฏธ ํ–ˆ๋”๋ผ๋„!" reimport, clean, build ๊ทธ๋ฆฌ๊ณ  restart! ์ด๋ ‡๊ฐœ ํ–ˆ๋Š”๋ฐ๋„ ์—ฌ์ „ํžˆ ์ด๋Ÿฐ ๋ฌธ์ œ๊ฐ€ ์ง€์†๋˜๋Š” ๊ฒฝ์šฐ์—๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ์„ค์ •ํ•ด์ค€๋‹ค. Run/Debug Cofiguration → ๋™์ž‘ ๋ชจ๋“ˆ ์„ ํƒ [์™ผ์ชฝ์—์„œ - ๋ชจ๋‘์ธ ๊ฒฝ์šฐ ๋ชจ๋‘ ๋ฐ”๊ฟ”์ฃผ๋Š” ์ž‘์—…ํ•˜๋ฉด OK] → include dependencies with "Provided" Scope ์ฒดํฌ 2021. 1. 29.
Port already in use ์—๋Ÿฌ [ ํ•ด๋‹น ํฌํŠธ๊ฐ€ ์ด๋ฏธ ์‚ฌ์šฉ์ค‘์ธ๋ฐ ํ”„๋กœ๊ทธ๋žจ์„ runํ•˜๋ฉด ๋ฐœ์ƒํ•˜๋Š” ์—๋Ÿฌ ] โ–  ํ•ด๊ฒฐ๋ฐฉ๋ฒ• โ–  1. cmd์—์„œ netstat -nao ์‹คํ–‰ : ํ˜„์žฌ ์‹คํ–‰์ค‘์ธ ํฌํŠธ ๋ชฉ๋ก ์ถœ๋ ฅ 2. ์—๋Ÿฌ๋‚œ ํฌํŠธ๋ฒˆํ˜ธ๋ฅผ ๋กœ์ปฌ์ฃผ์†Œ์—์„œ ์ฐพ๊ธฐ 3. ํ•ด๋‹น ํฌํŠธ PID์ข…๋ฃŒ์‹œํ‚ค๊ธฐ → taskkill /pid PID๊ฐ’์ž…๋ ฅ /f ์‹คํ–‰ 2020. 11. 19.

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