Trouble Shooting

DB์—์„œ ์ปฌ๋Ÿผ์˜ ํ˜•์‹์ด number๋กœ ๋˜์–ด์žˆ์—ˆ๊ณ , ์ด๊ฑธ intํ˜•์œผ๋กœ ์ถœ๋ ฅํ•˜๋ ค๊ณ  ํ•ด์„œ ๋ฐœ์ƒํ•œ ๋ฌธ์ œ ์ถ”์ถœํ•  ๋ฐ์ดํ„ฐ๋ฅผ String ํ˜•์‹์œผ๋กœ ๋ณ€ํ™˜ํ•œ ํ›„์—, Int ํ˜•์œผ๋กœ ์žฌ๋ณ€ํ™˜ํ•ด์ค€๋‹ค. Integer.parseInt (String.valueOf(data));
org.hibernate.loader.NonUniqueDiscoveredSqlAliasException: Encountered a duplicated sql alias [msg_group_id] during auto-discovery of a native-sql query โœ”๏ธ์›์ธ ์ฟผ๋ฆฌ๋กœ ๊ฐ’์„ ๊ฐ€์ ธ์˜ฌ ๋•Œ ๋‘๊ฐœ์˜ ํ…Œ์ด๋ธ”์„ `msg_group_id` ์ปฌ๋Ÿผ ์œผ๋กœ `join` ํ•ด์„œ ๊ฐ€์ ธ์˜ค๊ณ  ์žˆ์—ˆ๋Š”๋ฐ, `select *` ๋กœ ๊ฐ’์„ ๊ฐ€์ ธ์™€์„œ `msg_group_id`์ด ์ค‘๋ณต์œผ๋กœ ์ถ”์ถœ๋˜๊ธฐ ๋•Œ๋ฌธ ๐ŸŒผํ•ด๊ฒฐ `select a.*, b.~~` ๋กœ ๋ฐ”๊ฟ”์คฌ์Šต๋‹ˆ๋‹น
๐Ÿ’‍โ™€๏ธ๋‚ด๊ฐ€ ์›ํ–ˆ๋˜ ๊ฒฐ๊ณผ ๊ทธ๋ฃน์„ ์กฐํšŒํ•œ ํ›„ ๊ทธ๋ฃน์— ํฌํ•จ๋œ ๋ฉค๋ฒ„๋“ค์„ ์ค‘์ฒฉ json์œผ๋กœ ์ถ”์ถœํ•˜๋ ค๊ณ  ํ–ˆ์Œ ๊ทธ๋ฃน ์—”ํ‹ฐํ‹ฐ์— ๋ฉค๋ฒ„ ๋ฆฌ์ŠคํŠธ ํ•„๋“œ๋ฅผ ์ถ”๊ฐ€ํ•œ ํ›„ `@OneToMany` ์†์„ฑ์„ ์ถ”๊ฐ€ํ•˜๊ณ , ๋ฉค๋ฒ„ ์—”ํ‹ฐํ‹ฐ์— ์žˆ๋Š” ๊ทธ๋ฃน PK ํ•„๋“œ์— `@ManyToOne` ์†์„ฑ์„ ์ถ”๊ฐ€ํ•ด์คŒ ๊ทธ ํ›„์— ์‹คํ–‰ํ•ด๋ณด๋‹ˆ ์Šคํƒ์˜ค๋ฒ„ํ”Œ๋กœ์šฐ๊ฐ€ ๋ฐœ์ƒํ•จ ์–‘๋ฐฉํ–ฅ ๋งคํ•‘ ์ˆœํ™˜์ฐธ์กฐ ๋ฌธ์ œ Member, Group ๋‘ ๊ฐ์ฒด๊ฐ€ ManyToOne, OneToMany ์–‘๋ฐฉํ–ฅ ๊ด€๊ณ„์— ์žˆ์„ ๋•Œ ๊ทธ๋ฃน ์—”ํ‹ฐํ‹ฐ๋ฅผ ์กฐํšŒํ•˜๋Š” ๊ณผ์ •์—์„œ ์ˆœํ™˜์ฐธ์กฐ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•จ Enity ๊ฐ์ฒด๋ฅผ ๊ทธ๋Œ€๋กœ Json ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๊ณผ์ •์—์„œ ๊ทธ๋ฃน ์—”ํ‹ฐํ‹ฐ์™€ ๋ฉค๋ฒ„ ์—”ํ‹ฐํ‹ฐ๊ฐ€ ์„œ๋กœ๋ฅผ ์ฐธ์กฐํ•˜๋ฉด์„œ ๋ฐœ์ƒ๋œ ์˜ค๋ฅ˜ ๊ทธ๋ฃน ๋ฆฌ์ŠคํŠธ๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๊ทธ ์•ˆ์— ๋ฉค๋ฒ„ ๋ฆฌ์ŠคํŠธ๋ฅผ ์ถœ๋ ฅํ•ด์•ผ ํ–ˆ๊ธฐ ๋•Œ๋ฌธ์— ๋ฉค๋ฒ„ ์—”ํ‹ฐํ‹ฐ ๋‚ด์— ์žˆ๋Š” ๊ทธ๋ฃน pk ํ•„๋“œ๋Š”..
postman์—์„œ json ๋ฐ์ดํ„ฐ๋ฅผ ๋„˜๊ฒจ์ค„ ๋•Œ raw ์„ ํƒ ๊ฐ’์„ `Text`๊ฐ€ ์•„๋‹Œ `JSON` ์œผ๋กœ ๋ฐ”๊ฟ”์ฃผ๋ฉด ๋จ
๐Ÿคท‍โ™€๏ธ ์—๋Ÿฌ ์ƒํ™ฉ - ์›๊ฒฉ ์„œ๋ฒ„์—์„œ ๋ธŒ๋žœ์น˜ ๋ณ€๊ฒฝ์„ ํ•˜๋ ค๊ณ  checkout ๋ช…๋ น์–ด๋ฅผ ์ผ๋Š”๋ฐ ์ด๋Ÿฐ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด์„œ ๋ธŒ๋žœ์น˜ ์ „ํ™˜์ด ์•ˆ ๋จ error: Your local changes to the following files would be overwritten by checkout: src/main/resources/application.properties Please, commit your changes or stash them before you can switch branches. error: The following untracked working tree files would be overwritten by checkout: src/main/resources/application-prod.pro..
๐Ÿคข๋ฌธ์ œ :update ์ฟผ๋ฆฌ๋ฌธ์„ ์‹คํ–‰ํ•˜๋Š” ๋ฉ”์†Œ๋“œ์—์„œ ๊ณ„์† ์—๋Ÿฌ๊ฐ€ ๋‚จ ๐ŸŒฑํ•ด๊ฒฐ ๋ฐฉ๋ฒ• 1. ๋ฐ˜ํ™˜ํ˜•์„ void๊ฐ€ ์•„๋‹Œ int ๋กœ ๋ณ€๊ฒฝํ•ด์คŒ --> int ๋กœ ๋ฐ”๊ฟจ๋Š”๋ฐ๋„ ์˜ค๋ฅ˜๊ฐ€ ๋‚จ 2. @Transactional, @Modifying ์–ด๋…ธํ…Œ์ด์…˜์„ ๋ถ™์—ฌ์คŒ @Transactional @Modifying @Query(nativeQuery = true, value = "query") int updateUserMoney(String userKey, int userCash, int userPoint); @Transactional : ํ•ด๋‹น ๋ฉ”์„œ๋“œ๋‚˜ ํด๋ž˜์Šค๋ฅผ ์‹คํ–‰ํ•  ๋•Œ ํŠธ๋žœ์žญ์…˜์„ ์‹œ์ž‘ํ•˜๊ณ , ๋ฉ”์„œ๋“œ๊ฐ€ ์ •์ƒ์ ์œผ๋กœ ์‹คํ–‰๋˜๋ฉด commit์„, ์˜ˆ์™ธ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด rollbackํ•˜๋Š” ์ž‘์—…์„ ์ž๋™์œผ๋กœ ์ฒ˜๋ฆฌํ•จ @Modifying : ์Šคํ”„๋ง ๋ฐ์ดํ„ฐ ..
๐Ÿคท‍โ™‚๏ธ๋ฌธ์ œ์‚ฌํ•ญ ์‚ฌ๋‚ด ์ธํŠธ๋ผ๋„ท์— ์ฒจ๋ถ€๋˜์–ด ์žˆ๋Š” ๊ธฐํš๋ฌธ์„œ๋ฅผ ๋‹ค์šด ๋ฐ›๊ฑฐ๋‚˜, ๊ณ ๊ฐ์‚ฌ๋ฅผ ๊ฒ€์ƒ‰ํ•˜์—ฌ ํŒŒ์ผ๋กœ ์ถ”์ถœ ์‹œ ์˜์–ด๋กœ ๋œ ํŒŒ์ผ์€ ์ •์ƒ์ ์œผ๋กœ ์—ด๋ฆฌ๋Š”๋ฐ ํ•œ๊ธ€๋กœ ๋œ ๋ฌธ์„œ๋Š” ํŒŒ์ผ์ด ๊นจ์ ธ์„œ ๋‹ค์šด์ด ๋œ๋‹ค ๐Ÿ™†‍โ™€๏ธ์›์ธ ํŒŒ์ผ ์ธ์ฝ”๋”ฉ์ด UTF-8๋กœ ๋˜์–ด์žˆ์—ˆ๊ณ  ํ•œ๊ธ€ ์ธ์‹์ด ์•ˆ ๋˜๋Š” ๋ฌธ์ œ ์ธ์ฝ”๋”ฉ์„ EUC-KR๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ์‹คํ–‰ํ•˜๋ฉด ํ•ด๊ฒฐ ์™„๋ฃŒ ๐ŸŒฑํ†ฐ์บฃ ์„ค์ •ํŒŒ์ผ์„ ์ˆ˜์ •ํ•˜๋Š” ๋ฐฉ๋ฒ• 1. ํ†ฐ์บฃ์˜ ์„ค์ •ํŒŒ์ผ์„ ์—ฐ๋‹ค (server.xml) --> ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ฐ์บฃ์˜ ์„ค์น˜ ๋””๋ ‰ํ† ๋ฆฌ ๋‚ด์— "conf/server.xml" ๊ฒฝ๋กœ์— ์œ„์น˜ํ•จ 2. Connector ์š”์†Œ์— URIEncoding ์†์„ฑ ์ถ”๊ฐ€ 3. URIEncoding ์†์„ฑ ๊ฐ’์„ "EUC-KR"๋กœ ์„ค์ • 4. ์„ค์ •ํŒŒ์ผ์„ ์ €์žฅํ•œ ํ›„ ํ†ฐ์บฃ์„ ์žฌ์‹œ์ž‘ํ•˜๋ฉด ์„ค์ •์ด ์ ์šฉ๋จ ๐ŸŒฑcommand line์— ์˜ต์…˜์œผ๋กœ ์ž‘..
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'Trouble Shooting' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๊ธ€ ๋ชฉ๋ก (2 Page)