CODEWITHSUNDEEP
javajspplatform-agnosticprecompiling
Aaron Digulla
Aaron Digulla

Reputation: 328604

Precompiling JSPs: Is that server specific?

Since JSPs adhere to a standard API, can I precompile them in my projects and then deploy the result on any server?

Specifically, I'm using Tomcat, JBoss and WebSphere.

Upvotes: 2

Views: 248

Answers (2)

skaffman
skaffman

Reputation: 403481

No, not really. If you look at the java source that gets created by the JSP compiler, you'll see that it extends a base class that's proprietary to the container. For example, JBoss 4's servlet container generates JSP classes that extend org.apache.jasper.runtime.HttpJspBase, which is Tomcat and JBossWeb-specific.

So you might be able to reuse pre-compiled JSPs between different tomcat-based servers, but even then it might not work.

Upvotes: 4

duffymo
duffymo

Reputation: 308763

Since the servlet/JSP engines are different between app servers there could be byte code added that's not portable.

I'd have to write a test to confirm it. If I have time I'll try it with Tomcat and WebLogic and report back.

Upvotes: 1

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