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These notes are the result of several weeks playing with different things and asking a LOT of questions on several mailing lists.

I hope these notes are of use to someone out there.

THE ENVIRONMENT

The following assumes you have Java already installed - it should be installed by default on every Mac OS X - but I thought I'd mention it any way.I hope these notes are of use to someone out thereMacOS X installation. Note that MacOS X 10.2 (Jaguar) comes with Java 1.3; MacOS X 10.3 (Panther) comes with Java 1.4. Presumably, MacOS X 10.4 (Tiger) uses Java 1.5. It is possible to run Java 1.4 on MacOS X Jaguar but it may interfere with operation of the standard environment.

Verify the following paragraph! This explanation, however, should be right, or nearly so.
JAVA_HOME is at /Library/Java/Home, but this is a link into a directory /System/Frameworks/JavaJVMFramework/Versions which is used to switch between versions easily. There is a link Current and CurrentVersion which matches up the current Java environment with the appropriate version.

THE SITUATION

I wanted to learn about Java Servlet Pages (JSP) on my Macintosh (with MacOS X). I installed it the first time on a Windows XP Professional system, but my development machine is a Macintosh.

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Step 3: Configure JAVA_HOME

We then need to set the JAVA_HOME environment variable - this is almost the same as setting the Windows XP environment variable.

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Reboot (or login again, at least). This sets up the environment and cleans out any extras you still have running. It sets up JAVA_HOME as well.

Step 6: Start Tomcat

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