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no Session1

LazyInitializationException: could not initialize proxy - no Session Error ๐Ÿ“Ž org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: ... entity.Folder.children could not initialize proxy - no Session ๊ฐœ์ธ์ ์œผ๋กœ ์ง„ํ–‰์ค‘์ธ ํ”„๋กœ์ ํŠธ์—์„œ JPA ์—ฐ๊ด€๊ด€๊ณ„ ํ…Œ์ด๋ธ”์˜ ์กฐํšŒ & ์‚ญ์ œ ํ•˜๋Š” ๊ณผ์ •์—์„œ ์œ„์™€ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ด€๋ จ๋œ ์ฝ”๋“œ๋ฅผ ๊ฐ„๋‹จํžˆ ๋‚˜ํƒ€๋‚ด๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค. (ํฌ์ŠคํŒ…์—์„œ ํ‹€๋ฆฐ ๋‚ด์šฉ์ด ์žˆ๋‹ค๋ฉด ํ”ผ๋“œ๋ฐฑ ์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ๐Ÿ™Œ) Folder ์—”ํ‹ฐํ‹ฐ @Entity class Folder( ... @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "parent_id") @.. 2022. 6. 1.
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