Hibernate issue ""select generatedAlias0.id from com.pack"

We are optimizing our developed app. It uses Vaadin 6 and JPA container (V2.1.0). We found out from the log that when select a menu we get a delay due to computing a request on JAP container which do not have any importance for the app. Example:
select generatedAlias0.id from com.pack3T2012.model.Mtb_testrun as generatedAlias0 where ( ( ( generatedAlias0.FK_ID_Project=175 ) or ( generatedAlias0.FK_ID_Project=174 ) or ( generatedAlias0.FK_ID_Project=173 ) or ( generatedAlias0.FK_ID_Project=172 ) or ( generatedAlias0.FK_ID_Project=179 ) or ( generatedAlias0.FK_ID_Project=193 ) or ( generatedAlias0.FK_ID_Project=180 ) ) and ( ( generatedAlias0.startDate>:param0 ) or ( ( generatedAlias0.startDate<=:param1 ) and ( generatedAlias0.endDate>:param2 ) ) or ( ( generatedAlias0.endDate<=:param3 ) and ( generatedAlias0.archiveDate>:param4 ) ) ) ) and ( ( generatedAlias0.FK_ID_Project=172 ) or ( generatedAlias0.FK_ID_Project=172 ) or ( generatedAlias0.FK_ID_Project=173 ) or ( generatedAlias0.FK_ID_Project=173 ) or ( generatedAlias0.FK_ID_Project=174 ) or ( generatedAlias0.FK_ID_Project=174 ) or ( generatedAlias0.FK_ID_Project=175 ) or ( generatedAlias0.FK_ID_Project=175 ) or ( generatedAlias0.FK_ID_Project=179 ) or ( generatedAlias0.FK_ID_Project=180 ) or ( generatedAlias0.FK_ID_Project=180 ) or ( generatedAlias0.FK_ID_Project=181 ) or ( generatedAlias0.FK_ID_Project=189 ) or ( generatedAlias0.FK_ID_Project=189 ) or ( generatedAlias0.FK_ID_Project=190 ) or ( generatedAlias0.FK_ID_Project=190 ) or ( generatedAlias0.FK_ID_Project=191 ) or ( generatedAlias0.FK_ID_Project=191 ) or ( generatedAlias0.FK_ID_Project=181 ) or ( generatedAlias0.FK_ID_Project=191 ) or ( generatedAlias0.FK_ID_Project=192 ) or ( generatedAlias0.FK_ID_Project=192 ) or ( generatedAlias0.FK_ID_Project=172 ) or ( generatedAlias0.FK_ID_Project=173 ) or ( generatedAlias0.FK_ID_Project=192 ) or ( generatedAlias0.FK_ID_Project=193 ) or ( generatedAlias0.FK_ID_Project=193 ) or ( generatedAlias0.FK_ID_Project=189 ) or ( generatedAlias0.FK_ID_Project=194 ) or ( generatedAlias0.FK_ID_Project=194 ) or ( generatedAlias0.FK_ID_Project=197 ) or ( generatedAlias0.FK_ID_Project=197 ) or ( generatedAlias0.FK_ID_Project=198 ) or ( generatedAlias0.FK_ID_Project=198 ) or ( generatedAlias0.FK_ID_Project=199 ) or ( generatedAlias0.FK_ID_Project=199 ) or (

How can we remove this ?
is this due to bad JAP container settings?