diff --git a/pdb-ui/src/main/resources/log4j2.xml b/pdb-ui/src/main/resources/log4j2.xml
index 26be827..f54bde2 100644
--- a/pdb-ui/src/main/resources/log4j2.xml
+++ b/pdb-ui/src/main/resources/log4j2.xml
@@ -40,6 +40,8 @@
   	<logger name="org.lucares.metrics.gnuplot" level="DEBUG" />
   	<!-- 
   	<logger name="org.lucares.metrics.dataStore" level="DEBUG" />
+  	<logger name="org.lucares.pdb.datastore.lang.QueryCompletionPdbLangParser" level="TRACE" />
+  	<logger name="org.lucares.pdb.datastore.lang.ExpressionToDocIdVisitor" level="TRACE" />
   	 -->
   </Loggers>
 </Configuration>
\ No newline at end of file