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[Java] ๊ฐ™์€ ๋„๋ฉ”์ธ ์‚ฌ์šฉ์‹œ session๊ฐ’ null๋กœ ๋ณ€๊ฒฝ๋˜๋Š” ํ˜„์ƒ Tomcat์— ๊ฐ™์€ ๋„๋ฉ”์ธ ๋‹ค๋ฅธ ํฌํŠธ๋กœ ์ปจํ…Œ์ด๋„ˆ๋ฅผ a, b๋กœ ๋ถ„๋ฆฌํ•œ ์ƒํƒœ์—์„œ a ์ปจํ…Œ์ด๋„ˆ์—์„œ setAttribute์œผ๋กœ ์ƒ์„ฑํ•˜๊ณ  ์ €์žฅํ•œ session ๊ฐ’์ด b ์ปจํ…Œ์ด๋„ˆ์˜ ํŽ˜์ด์ง€๋กœ ์ด๋™ํ•˜๋ฉด์„œ null๋กœ ๋ณ€๊ฒฝ๋˜๋Š” ํ˜„์ƒ์ด ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ๊ตฌ๊ธ€๋ง ๊ฒฐ๊ณผ, ๊ฐ™์€ ๋„๋ฉ”์ธ(๋˜๋Š” ์•„์ดํ”ผ) ๋‹ค๋ฅธ ํฌํŠธ์—์„œ๋Š” ํŽ˜์ด์ง€ ์ด๋™ ์‹œ ํ†ฐ์บฃ์—์„œ ์ €์žฅํ•˜๋Š” JSESSIONID ๋ผ๋Š” HTTP ์„ธ์…˜ID ๊ฐ’์ด ๊ฐฑ์‹ ๋œ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ๊ฐ€์ง€ ํ•ด๊ฒฐ๋ฐฉ์•ˆ์ด ์žˆ์—ˆ์ง€๋งŒ ๋‚˜์˜ ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์ด ํ•ด๊ฒฐํ•˜์˜€์Šต๋‹ˆ๋‹ค. ๋‘ ์ปจํ…Œ์ด๋„ˆ์˜ context path๊ฐ€ ๊ฐ™์•„ ์„ธ์…˜ ์ •๋ณด๋ฅผ ๋ฎ์–ด์“ฐ๊ฒŒ ๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์—, ๋‘ ์ปจํ…Œ์ด๋„ˆ์˜ context path ๋ฅผ ๋‹ค๋ฅด๊ฒŒ ๋ณ€๊ฒฝ. Tomcat์˜ server.xml ํŒŒ์ผ path ๋‹ค๋ฅด๊ฒŒ ์ˆ˜์ • ํŒŒ์ผ ๊ฒฝ๋กœ : apache-tomcat-7.0.96/con.. 2021. 12. 10.
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