classpath (2)

이클립스 사용시 웹앱 프로젝트를 처음 만들면 이 에러를 볼 수 있습니다.


이 에러는 서블릿 클래스가 클래스 빌드패스에 잡혀있지 않아서 발생하는 문제입니다.


아래와 같이 해결하시면 됩니다.


Project Properties-> Java Build Path-> Add Library -> Select "Server Runtime" from the list-> Next->Select "Apache Tomcat"-> Finish

java.lang.SecurityException: Sealing violation exception (ID 6554602)

Description

Starting with JDBC 10.2 drivers, having more than one JDBC jar file in the CLASSPATH may result in a java.lang.SecurityException: Sealing violation exception.

Detailed explanation from Oracle is documented in the following Oracle Document ID:

Note:405446.1
Subject: JDBC Driver 10.2 Uses Sealed JAR files and May Cause SecurityException Sealing Violation

Solution

(Suggested by Oracle) Make sure that the CLASSPATH includes only one JDBC driver JAR file.

=============================================================================