IDEA jsp file report an error:
pageContext.setAttribute(“APP_PATH“,request.getContextPath())
Solution: import the jar package
<!-- https://mvnrepository.com/artifact/javax.servlet/jsp-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
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