ERROR + TIP NOTE ๐Ÿค“๐Ÿ’ก

1.[Spring] EC2๋กœ ์ˆ˜๋™ ๋ฐฐํฌ ์‹œ, ํฌํŠธ 8080 ์‚ฌ์šฉ ์ค‘์ด๋ผ๋Š” ์˜ค๋ฅ˜ ๋ฐ˜๋ณต

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2.[Spring] CommandLinerRunner(์Šคํ”„๋ง ๋ถ€ํŠธ ๊ตฌ๋™ ์‹œ์ ์— ํŠน์ • ์ฝ”๋“œ ์‹คํ–‰ ์‹œํ‚ค๊ธฐ)

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3.[Spring] NullPointerException

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4.[Spring] LazyInitializationException: could not initialize proxy

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5.[Spring] ํ…Œ์ด๋ธ”์˜ ์ปฌ๋Ÿผ ํ•˜๋‚˜์— N๊ฐœ์˜ ๊ฐ’์„ ๋„ฃ๊ณ  ์‹ถ๋‹ค๋ฉด?

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