Severe Performance Problems on Oracle with createDatabaseSnapshot

We’re using Liquibase 1.9.4 and when we call createDatabaseSnapshot on an Oracle database, the app seems to hang.  I’ve tracked it down in the source to SqlDatabaseSnapshot in readForeignKeyInformation where it calls “databaseMetaData.getExportedKeys(dbCatalog, dbSchema, table.getName())” on line 341 – this single line seems to take a few minutes for each table.

I found this forum post about it: but our database seems fine for the suggested problems, so I’m not sure what the problem is.

Thanks for any suggestions!

-Adam Griffis