Message-ID: <3EA4DA05.5020804@joot.com>
Date: Mon, 21 Apr 2003 22:58:29 -0700
From: Dave Jarvis <dave@joot.com>
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To: pgsql-docs@postgresql.org
Subject: Building PostgreSQL with Java
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Hi,

I've only skimmed through the documentation, and in that skimming I did 
not see a very important piece of information:

If you are upgrading to a new version of PostgreSQL on a machine that 
already has the JDBC drivers for PostgreSQL available, be sure to REMOVE 
THE OLD JAR FILE before attempting to compile PostgreSQL.  This means 
both CLASSPATH and the jre/lib/ext directory. Otherwise the ant build 
process will use the classes floating around in the postgresql.jar file, 
resulting in a new jar file that lacks many crucial classes.

Intuitively, I would have thought the compilation process would have 
forced all files to be recompiled, regardless of whatever is sitting on 
the classpath (or within $JAVA_HOME/jre/lib/ext).  Boy, was I wrong! 
Would have saved me at least twenty minutes of Google'ing.

Sincerely,
Dave Jarvis