문제해결

1.[문제해결] Several ports (8005, 80) required by Tomcat 9 are already in use.

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2.[문제해결] error:java.sql.SQLException: 부적합한 열 이름

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3.[문제해결] error:java.sql.SQLException: 인덱스에서 누락된 IN 또는 OUT 매개변수:: 2

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4.[문제해결] Tomcat10 [org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.]을(를) 발생시켰습니다.

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5.[문제해결] the file in the editor is not runnable

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6.[문제해결] IllegalStateException: Failed to load ApplicationContext

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