How jasper the jsp engine, compile JSP to servlet?

is Jasper a Java compiler its开发者_Python百科elf?

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Jasper is Tomcat's JSP engine, which implements the JSP specification. It compiles JSP files to Java code. Here is the Wikipedia article.

Older versions of Tomcat used to require JDK in order to compile JSP files. This is no longer necessary, as Jasper can do this job.