I installed jboss portal to a new installation of jboss 4.2.2 and it seems to be running fine. however I get some sort of scheduler logging to the server logs every 5 seconds and my log files are huge. Is this normal? can I disable it? is this an error message and not just a notice?

2007-11-13 00:00:06,144 DEBUG [org.jbpm.configuration.JbpmContextInfo] creating jbpm context with service factories '[message, scheduler, persistence]'
2007-11-13 00:00:06,144 DEBUG [org.jbpm.JbpmContext] creating JbpmContext
2007-11-13 00:00:06,144 DEBUG [org.jbpm.persistence.db.DbPersistenceServiceFactory] creating persistence service
2007-11-13 00:00:06,144 DEBUG [org.jbpm.persistence.db.DbPersistenceService] creating hibernate session
2007-11-13 00:00:06,144 DEBUG [org.hibernate.impl.SessionImpl] opened session at timestamp: 4894433305165824
2007-11-13 00:00:06,144 DEBUG [org.jbpm.persistence.db.DbPersistenceService] beginning hibernate transaction
2007-11-13 00:00:06,144 DEBUG [org.hibernate.transaction.JTATransaction] Looking for UserTransaction under: UserTransaction
2007-11-13 00:00:06,145 DEBUG [org.hibernate.transaction.JTATransaction] Obtained UserTransaction
2007-11-13 00:00:06,145 DEBUG [org.hibernate.transaction.JTATransaction] begin
2007-11-13 00:00:06,145 DEBUG [org.hibernate.transaction.JTATransaction] Began a new JTA transaction
2007-11-13 00:00:06,145 DEBUG [org.hibernate.jdbc.JDBCContext] successfully registered Synchronization
2007-11-13 00:00:06,146 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to open PreparedStatement (open PreparedStatements: 0, globally: 0)
2007-11-13 00:00:06,146 DEBUG [org.hibernate.jdbc.ConnectionManager] opening JDBC connection
2007-11-13 00:00:06,147 DEBUG [org.hibernate.SQL]
/* named HQL query MessagingSession.findMessages */ select
message0_.ID_ as col_0_0_
from
JBPM_MESSAGE message0_
where
message0_.DESTINATION_=?
and message0_.ISSUSPENDED_<>1
and (
message0_.EXCEPTION_ is null
)
2007-11-13 00:00:06,148 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to open ResultSet (open ResultSets: 0, globally: 0)
2007-11-13 00:00:06,149 DEBUG [org.hibernate.impl.IteratorImpl] exhausted results
2007-11-13 00:00:06,149 DEBUG [org.hibernate.impl.IteratorImpl] closing iterator
2007-11-13 00:00:06,149 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close ResultSet (open ResultSets: 1, globally: 1)
2007-11-13 00:00:06,149 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close PreparedStatement (open PreparedStatements: 1, globally: 1)
2007-11-13 00:00:06,149 DEBUG [org.hibernate.jdbc.ConnectionManager] aggressively releasing JDBC connection
2007-11-13 00:00:06,149 DEBUG [org.hibernate.jdbc.ConnectionManager] releasing JDBC connection [ (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)]
2007-11-13 00:00:06,149 DEBUG [org.jbpm.JbpmContext] closing JbpmContext
2007-11-13 00:00:06,150 DEBUG [org.jbpm.svc.Services] closing service 'persistence': org.jbpm.persistence.db.DbPersistenceService@9f0cb
2007-11-13 00:00:06,150 DEBUG [org.jbpm.persistence.db.DbPersistenceService] committing hibernate transaction
2007-11-13 00:00:06,150 DEBUG [org.hibernate.transaction.JTATransaction] commit
2007-11-13 00:00:06,151 DEBUG [org.hibernate.transaction.JTATransaction] Committed JTA UserTransaction
2007-11-13 00:00:06,151 DEBUG [org.jbpm.persistence.db.DbPersistenceService] closing hibernate session
2007-11-13 00:00:06,151 DEBUG [org.jbpm.svc.Services] closing service 'message': org.jbpm.msg.db.DbMessageService@9fba1d
2007-11-13 00:00:06,151 DEBUG [org.jbpm.msg.command.CommandExecutorThread] waiting for more messages