<p>I'm getting an error message when I try to build my project in eclipse:</p>

<p><code>The type weblogic.utils.expressions.ExpressionMap cannot be resolved. It is indirectly referenced 
 from required .class files</code></p>

<p>I've looked online for a solution and cannot find one (except for those sites that make you pay for help).  Anyone have any idea of a way to find out how to go about solving this problem?  Any help is appreciated, thanks!</p>

Have you Googled for "weblogic ExpressionMap"?  Do you know what it is and what it does?
Looks like you definitely need to be compiling alongside Weblogic and with Weblogic's jars included in your Eclipse classpath, if you're not already.
If you're not already working with Weblogic, then you need to find out what in the world is referencing it.  You might need to do some heavy-duty grepping on your jars, classfiles, and/or source files looking for which ones include the string "weblogic".
If I had to include something that was relying on this Weblogic class, but couldn't use Weblogic, I'd be tempted to try to reverse-engineer a compatible class.  Create your own weblogic.utils.expressions.ExpressionMap class; see if everything compiles; use any resultant errors or warnings at compile-time or runtime to give you clues as to what methods and other members need to be in this class.  Make stub methods that do nothing or return null if possible.