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DONI. ๋‹˜์˜ ๋ธ”๋กœ๊ทธ์ž…๋‹ˆ๋‹ค.

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๊ณต์ง€ ๐Ÿ’Ÿ Overview ๋ชจ๋‘๋ณด๊ธฐ

์ฃผ์š” ๊ธ€ ๋ชฉ๋ก

  • [Spring] ์ดํด๋ฆฝ์Šค Maven Repository ๊ฒฝ๋กœ ์„ค์ • [Issue] - ๊ฐœ๋ฐœํ™˜๊ฒฝ์ด ๋‹ค๋ฅธ ์—ฌ๋Ÿฌ ํ”„๋กœ์ ํŠธ Repository๋ฅผ ๋‚˜๋ˆ„์ง€ ์•Š๊ณ  ์ž‘์—…ํ•˜๋‹ค,, ์•„๋งˆ๋„ ์–ด๋–ค ์ถฉ๋Œ์ด ์ƒ๊ฒจ์„œ ๋กœ์ปฌ ํ”„๋กœ์ ํŠธ ์‹คํ–‰์ด ๋˜์ง€ ์•Š์•˜๋‹ค - ๋ณดํ†ต์€ Project Clean ๋˜๋Š” .m2 repository ๋‚ด ํŒŒ์ผ ์ „์ฒด ์‚ญ์ œ ํ›„ Maven>Update Project ํ•˜๋ฉด ํ•ด๊ฒฐ๋˜๋Š”๋ฐ ์•ˆ๋˜๋”๋ผ.. [ํ•ด๊ฒฐ๋ฐฉ๋ฒ•] 1. settings.xml ์ƒ์„ฑ - ํ™˜๊ฒฝ์ด ๋‹ค๋ฅธ ํ”„๋กœ์ ํŠธ๋ณ„๋กœ ๊ฐ๊ฐ ์›Œํฌ์ŠคํŽ˜์ด์Šค ์ƒ์„ฑํ•ด์„œ ๊ทธ ์•ˆ์— ๋งŒ๋“œ๋Š” ๊ฒƒ ์ถ”์ฒœ! - ํŒŒ์ผ๋ช… 'settings.xml' [์›Œํฌ์ŠคํŽ˜์ด์Šค ๊ฒฝ๋กœ ๋˜๋Š” ๋ฆฌํฌ์ง€ํ† ๋ฆฌ ๋งŒ๋“ค ๊ฒฝ๋กœ]\repository true false 2. ์ดํด๋ฆฝ์Šค ์ƒ๋‹จ [Window] > [Preferences] 3. 'User Settings' ๊ฒ€์ƒ‰ - ๋ณ€๊ฒฝํ•˜์ง€ ์•Š์œผ๋ฉด Repository ๊ฒฝ.. ๊ณต๊ฐ์ˆ˜ 3 ๋Œ“๊ธ€์ˆ˜ 0 2023. 8. 21.
  • [JAVA] ์Šค์ผ€์ค„๋Ÿฌ @Scheduled cronํ‘œํ˜„์‹ 1. dispatcher-servlet.xml ์•„๋ž˜ ํƒœ๊ทธ xml์— ์ถ”๊ฐ€ 2. SCHEDULER_TEST.class - @Component ํด๋ž˜์Šค ์–ด๋…ธํ…Œ์ด์…˜ ์ถ”๊ฐ€ - @Scheduled ๋ฉ”์†Œ๋“œ ์–ด๋…ธํ…Œ์ด์…˜ ์ถ”๊ฐ€ - cron ํ‘œํ˜„์‹์œผ๋กœ ์Šค์ผ€์ค„๋ง ์ฃผ๊ธฐ ์„ค์ • import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Component; @Component public class SCHEDULER_TEST { /* cron ํ‘œํ˜„์‹ ์˜ˆ์‹œ * 1์‹œ๊ฐ„0 0 0/1 * * * * 1๋ถ„0 0/1 * * * * * ๋งค์›” 1์ผ0 0 0 1 * * */ @Scheduled(cron = " 0 0/1 * * * * .. ๊ณต๊ฐ์ˆ˜ 1 ๋Œ“๊ธ€์ˆ˜ 0 2022. 6. 23.
  • [JAVA] ์„ธ์…˜ ์‹œ๊ฐ„ ์„ค์ • _ SessionTimeOut ์„ธ์…˜ ๋งŒ๋ฃŒ ์‹œ๊ฐ„ ์„ค์ • ๋ฐฉ๋ฒ• 3๊ฐ€์ง€ 1. Java๋‹จ์—์„œ ์„ค์ •(์ดˆ ๋‹จ์œ„) → ์ง€์ • ์„ธ์…˜๋งŒ ํ•ด๋‹น ํƒ€์ž„์•„์›ƒ ๋ฐ˜์˜ HttpSession session = request.getSession(); session.setMaxInactivInterval(์„ค์ •์‹œ๊ฐ„); 2. ํ”„๋กœ์ ํŠธ web.xml ์—์„œ ์„ค์ •(๋ถ„ ๋‹จ์œ„) 30 3. ํ†ฐ์บฃ์„œ๋ฒ„ web.xml ์—์„œ ์„ค์ •(๋ถ„ ๋‹จ์œ„) 30 * ์šฐ์„ ์ˆœ์œ„ 1 Java → ํ”„๋กœ์ ํŠธ → ์„œ๋ฒ„ ๊ณต๊ฐ์ˆ˜ 2 ๋Œ“๊ธ€์ˆ˜ 0 2022. 3. 17.
  • [JAVA] ์ฒจ๋ถ€ํŒŒ์ผ ๋‹ค์šด๋กœ๋“œ ์‹œ ํ•œ๊ธ€์ œ๋ชฉ ๊นจ์ง ๋ฐ ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ 1๏ธโƒฃ Microsoft Edge ๋งˆ์ดํฌ๋กœ์†Œํ”„ํŠธ ์—ฃ์ง€ public void fileDown(HttpServletRequest request, HttpServletResponse response) { String fileName = "ํ•œ๊ธ€ํŒŒ์ผ๋ช…"; // GET ๋ธŒ๋ผ์šฐ์ € ์ •๋ณด String header = request.getHeader("User-Agent"); // ์ธ์ฝ”๋”ฉ if (header.contains("Edge")){ fileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20"); response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName); } } 2.. ๊ณต๊ฐ์ˆ˜ 3 ๋Œ“๊ธ€์ˆ˜ 0 2021. 8. 27.
  • [Spring] ์ „์ž์ •๋ถ€ํ”„๋ ˆ์ž„์›Œํฌ์—์„œ CORS ๋ฌธ์ œ ํ•ด๊ฒฐํ•˜๊ธฐ ์ „์ž์ •๋ถ€ํ”„๋ ˆ์ž„์›Œํฌ ๊ฐœ๋ฐœ ์ค‘ ์™ธ๋ถ€ API๋ฅผ ์‚ฌ์šฉํ•˜๋‹ค๊ฐ€ [ Access to XMLHttpRequest at 'A' from origin 'B' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. ] CORS Error ๋•๋ถ„์— ๊ณจ๋จธ๋ฆฌ๋ฅผ ์•“์•˜๋‹ค..ใ…Žใ…Ž ์™ธ๋ถ€ api ๋ฅผ ์‚ฌ์šฉํ• ๋ ค๋‹ค๋ณด๋‹ˆ CORS ํ‘œ์ค€์—์„œ ๋ฒ—์–ด๋‚˜์„œ ์ƒ๊ธฐ๋Š” ์—๋Ÿฌ์ด๋‹ค ๊ตฌ๊ธ€๋ง์œผ๋กœ ์ฐพ์•„๋ณธ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์œผ๋กœ๋Š” 1 ์„œ๋ฒ„๋‹จ์—์„œ ์™ธ๋ถ€url ํ—ˆ์šฉ ์„ค์ •ํ•˜๋Š” ๋ฐฉ๋ฒ• 2 ๋ฏธ๋“ค์›จ์–ด๋ฅผ ํ™œ์š”ํ•˜๋Š” ๋ฐฉ๋ฒ• 3 ํ”„๋ก์‹œ ์„œ๋ฒ„๋ฅผ ์šฐํšŒํ•˜๋Š” ๋ฐฉ๋ฒ• 4 ํฌ๋กฌ์˜ ํ™•์žฅํ”„๋กœ๊ทธ๋žจ์„ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• ๊ฐœ๋ฐœ ๋ฐ ํ…Œ์ŠคํŠธ ์‹œ์—๋Š” 4๋ฒˆ ๋ฐฉ๋ฒ• ํ™•์žฅ ํ”„๋กœ๊ทธ๋žจ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๊ฐ€.. ๊ณต๊ฐ์ˆ˜ 2 ๋Œ“๊ธ€์ˆ˜ 0 2021. 8. 11.
  • [Spring] Maven & Gradle ์Šคํ”„๋ง ํ”„๋ ˆ์ž„์›Œํฌ(Spring Framework)์— ๋Œ€ํ•ด ๊ณต๋ถ€๋ฅผ ์‹œ์ž‘ํ•˜๋ฉด์„œ ์ฒซ ์žฅ๋ถ€ํ„ฐ ๋‚œ๊ด€์— ๋ถ€๋”›ํ˜”๋‹ค Maven...? Gradle...? ๋ฌด์—‡...? gradle์€ ์•ˆ๋“œ๋กœ์ด๋“œํ•˜๋ฉด์„œ ์–ธ๋œป์–ธ๋œป ๋ณด๊ธดํ–ˆ์ง€๋งŒ ์ •์˜๋ฅผ ์•Œ๋ ค๊ณ ํ•˜์ง€ ์•Š์•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ทธ๋ ‡๊ตฌ๋‚˜ ํ•˜๊ณ  ๋„˜์–ด๊ฐ”๋‹ค ํ—คํ—ท^^ ์—ฌ๊ธฐ์„œ ๋ฉ”์ด๋ธ๊ณผ ๊ทธ๋ ˆ์ด๋“ค์€ '๋นŒ๋“œ ํˆด' ์ธ๋“ฏํ•˜๋‚˜ ์ •๋ฆฌ๊ฐ€ ํ•„์š”ํ•˜๋‹ค...! * ๋นŒ๋“œ(build)๋ž€? ์ž๋ฐ”๋กœ ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•œ๋‹ค๊ณ  ํ•˜๋ฉด ์ž๋ฐ”์ฝ”๋“œ๊ฐ€ ์žˆ์„ ๊ฒƒ์ด๊ณ  ๊ทธ์•ˆ์—์„œ ์‚ฌ์šฉ๋˜๊ณ  ์˜์กดํ•˜๋Š” ๋‹ค๋ฅธ ์™ธ๋ถ€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ์žˆ์„ ๊ฒƒ์ด๋‹ค. ์ด๋ฅผ ์ปดํŒŒ์ผํ•˜๊ณ  ํŒจํ‚ค์ง• ํ•˜๋Š” ๊ณผ์ •์„ ๋นŒ๋“œ๋ผ๊ณ  ํ•œ๋‹ค. ๋Œ€ํ‘œ์ ์ธ ๋นŒ๋“œ ํˆด์—๋Š” Ant, Apache Ivy, Maven๋“ฑ์ด ์žˆ๋‹ค. 1 ์•„ํŒŒ์น˜ ๋ฉ”์ด๋ธ (Apache Maven) ํ”„๋กœ์ ํŠธ์˜ ์ „์ฒด์ ์ธ ๋ผ์ดํ”„ ์‚ฌ์ดํด์„ ๊ด€๋ฆฌํ•˜๋Š” ๋„๊ตฌ ํ”„๋กœ์ ํŠธ.. ๊ณต๊ฐ์ˆ˜ 4 ๋Œ“๊ธ€์ˆ˜ 0 2019. 2. 4.
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