diff --git a/webapp/config/default.log4j.properties b/webapp/config/default.log4j.properties
index e88f12687..d7bc7e609 100644
--- a/webapp/config/default.log4j.properties
+++ b/webapp/config/default.log4j.properties
@@ -38,5 +38,7 @@ log4j.logger.edu.cornell.mannlib.vitro.webapp.controller.freemarker.BrowseContro
 log4j.logger.edu.cornell.mannlib.vitro.webapp.dao.jena.pellet.PelletListener=WARN
 log4j.logger.edu.cornell.mannlib.vitro.webapp.dao.jena.RDBGraphGenerator=WARN
 # suppress odd warnings from libraries
+log4j.logger.com.hp.hpl.jena.db.impl.PSet_TripleStore_RDB=FATAL
+log4j.logger.com.hp.hpl.jena.sdb.sql.SDBConnection=ERROR
 log4j.logger.org.openjena.riot=FATAL
 log4j.logger.org.directwebremoting=FATAL