"Donelson, James" wrote:
> First, I have tried this and it seems to work. What I would like to know is
> supposed to work - i.e. officially supported ?
>
> If I build a servlet using JDK1.1.7+, using JSDK2.1 servlet classes will it
> run under a servlet engine, like JRun ,that is running Java 1.2.x execution
> environment? (It DOES run, as I said the real question is "Does this meeting
> "official" guide lines?")
>
> Jim
>
The compatibility issues affect all Java programs, not just servlets. From the
"Java 2 SDK: Compatibilty with Previous Releases" page (included in the JDK 1.2
documentation bundle):
"Version 1.2 of the Java 2 SDK is upwards binary-compatible
with JDK software versions 1.0 and 1.1 except for the
incompatibilities listed below. This means that, except for the
noted incompatibilities, class files built with version 1.0 or 1.1
compilers will run correctly in 1.2."
The listed incompatibilities are mostly nitpicky details about the language
itself, plus the fact that the Swing classes got moved to their final package
namespace. You can check out this page in the docs bundle for details, or
online at:
http://java.sun.com/products/jdk/1.2/compatibility.html
Craig McClanahan
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