我的tomcat版本是7.0.26

方法：打开tomcat/lib，找到jsp-api.jar和servlet-api.jar。解压这两个文件，找到META-INF下的MANIFEST.MF文件。用记事本或者EditPlus一类的软件打开。

我的JSP版本是：

Manifest-Version: 1.0

Ant-Version: Apache Ant 1.8.2

Created-By: 1.6.0_29-b11 (Sun Microsystems Inc.)

X-Compile-Source-JDK: 1.6

X-Compile-Target-JDK: 1.6

Name: javax/servlet/jsp/

Specification-Title: Java API for JavaServer Pages

Specification-Version: 2.2Specification-Vendor: Sun Microsystems, Inc.

Implementation-Title: javax.servlet.jsp

Implementation-Version: 2.2.FR

Implementation-Vendor: Apache Software Foundation

我的servlet版本是：

Manifest-Version: 1.0

Ant-Version: Apache Ant 1.8.2

Created-By: 1.6.0_29-b11 (Sun Microsystems Inc.)

X-Compile-Source-JDK: 1.6

X-Compile-Target-JDK: 1.6

Name: javax/servlet/

Specification-Title: Java API for Servlets

Specification-Version: 3.0Specification-Vendor: Sun Microsystems, Inc.

Implementation-Title: javax.servlet

Implementation-Version: 3.0.FR

Implementation-Vendor: Apache Software Foundation