Forum Problems Installing LAMS: Re: Trying to install and getting nowhere

By: Jun-Dir Liew

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Here's some of the common reasons why you can get a 500 error after installing:

MySQL not running before LAMS has started;
Accessing http://localhost instead of http://localhost/lams;
Accessing http://localhost/lams before LAMS has finished starting up;
Incorrect Java version (the 1.4.2 SDK from Sun is recommended) - e.g. Java 1.5, Blackdown Java are known not to work with LAMS 1.0 - check your JAVA_HOME;
You installed the 20060116 build, and are trying to start LAMS offline (with no connection to the internet);
Conflicting ports;

Basically, if something goes wrong during startup, 'HTTP 500' will be the error you get when you try to access LAMS through the browser, if you get that far. It's kind of the 'catchall' error. For example, this thread: http://www.lamscommunity.org/dotlrn/clubs/technicalcommunity/forums/message-view?message_id=85085

If you're still getting a 500 error, feel free to email me your server.log and boot.log from your $JBOSS_HOME/server/default/log directory.

Regards,

Posted by Jun-Dir Liew