Cant compile proc with OWB created DB Links - appear to loopback ?!!

We're on Oracle 9.2 with OWB 9.2 and have the following scenario:
We have two databases: DB1, DB2
Both databases have a schema STAGING
Both schemas have a table ADDRESS.
The ADDRESS table on DB1 has columns CITY, STATE, ZIP while the ADDRESS table on DB2 just has CITY, STATE
We have a stored proc on DB2 that is trying to select the ZIP field on the DB1 across a database link called DB1@SERVER1. The exact code is:
select zip into v_zip from address@db1@server1;
The compiler fails because with the error that ZIP does not exist. If I change the column to STATE it compiles successfully, leading me to believe the compiler is verifying the code against the local db and not across the link....
Furthermore, if I run the offending sql via a sqlplus it crosses the link and works!... it appears to only be affecting compile time.
I believe this has something to do with loopback links, but I haven't been able to solve it...
Can anyone explain this behavior?!
Any help greatly appreciated...
-D

Hello, Dan
Actually I dont understand why OWB generates so strange name for db link. After your post Ive revisited my projects to see if there is any inconsistencies in generated db link name within mapping PLSQL code and db link name itself.
There is one at least for me in PLSQL db links name is like <db_instance_name>@owb_location_name, but in DBLINKS db link name looks like:
db_instance_name.db_domain@owb_location_name. I must say its quite a trick for me how Oracle matches this two names, considering quotes and db_domain. Anyway, it works fine for me.
By the way, two databases of yours are result of cloning one of them? If you are sure that real symptom is db link loop back look at Net configurations.
Try to have a look at DBLINKS maybe youll find some mismatches. As a try drop created db links and try to redeploy them, make additional tests via sqlplus, verify db_domain for both databases, check sqlnet.ora/tnsnames.ora on both databases.
Serhit.

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