๋ชฉ๋กquerydsl (1)

DevLog ๐Ÿ˜ถ

[QueryDSL] QueryDSL ์‚ฌ์šฉ ์‹œ NPE๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ํ•ด๊ฒฐํ•˜๊ธฐ

๐ŸŒฑ ๋ฌธ์ œ ์ƒํ™ฉ ํ”„๋กœ์ ํŠธ๋ฅผ ์ง„ํ–‰ํ•˜๋ฉด์„œ ๋™์  ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•  ์ผ์ด ๋งŽ์•„ QueryDSL์„ ๋„์ž…ํ•˜๊ฒŒ ๋˜์—ˆ๋Š”๋ฐ, ์ด๋ฒˆ์— ์ƒ‰๋‹ค๋ฅธ ์˜ค๋ฅ˜๋ฅผ ๋ฐœ๊ฒฌํ•˜๊ฒŒ ๋˜์—ˆ๋‹ค. java.lang.NullPointerException: Cannot read field "id" because "co.kirikiri.domain.goalroom.QGoalRoomMember.goalRoomMember.goalRoom.roadmapContent.roadmap" is null NPE๋ฅผ ๋ณธ ๊ฑด ์˜ค๋žœ๋งŒ์ด์–ด์„œ ์กฐ๊ธˆ ์‚ฝ์งˆ์„ ์ง„ํ–‰ํ–ˆ๋‹ค. ๐ŸŒฑ ๋„๋ฉ”์ธ ๊ตฌ์กฐ ์ง€๋‚œ ํฌ์ŠคํŒ…๊ณผ ๊ฐ™์€ ํ”„๋กœ์ ํŠธ์ด๊ธฐ ๋•Œ๋ฌธ์— ๋„๋ฉ”์ธ ๊ตฌ์กฐ๋Š” ๊ฑฐ์˜ ๋™์ผํ•œ๋ฐ, ์œ„ ๋ฌธ์ œ ์ƒํ™ฉ์„ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•œ ์ถ”๊ฐ€์ ์ธ ๋„๋ฉ”์ธ ์ •๋ณด๊ฐ€ ํ•„์š”ํ•˜๋‹ค. ํ•˜๋‚˜์˜ ๋กœ๋“œ๋งต ๋ณธ๋ฌธ(RoadmapContent) ์ •๋ณด์— ๋Œ€ํ•ด์„œ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ..