diff --git a/etc/log4j.properties b/etc/log4j.properties
index 22f70fa1ef15ae27c8b3b30afdb499fdfaef78b0..8e706624f12f9a8bd25d562b44f8a01aa31f9d4c 100644
--- a/etc/log4j.properties
+++ b/etc/log4j.properties
@@ -8,14 +8,21 @@ log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 
 log4j.logger.com.ibatis=DEBUG, R
 log4j.logger.uk.ac.sanger.artemis.components.Splash=DEBUG, R
+#log4j.logger.uk.ac.sanger.artemis.j2ssh.SshPSUClient=DEBUG, R
+#log4j.logger.uk.ac.sanger.artemis.ExternalProgram=DEBUG, R
+log4j.logger.uk.ac.sanger.artemis.chado.ChadoTransactionManager=DEBUG, R
+log4j.logger.uk.ac.sanger.artemis.chado.Similarity=DEBUG, R
+
 #log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG, stdout, R
 #log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG, stdout, R
 #log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG, stdout, R
-#log4j.logger.java.sql.Connection=DEBUG, stdout, R
 log4j.logger.java.sql.Statement=DEBUG, R
 log4j.logger.java.sql.PreparedStatement=DEBUG, R
+#log4j.logger.java.sql.Connection=ERROR, R
 #log4j.logger.java.sql.ResultSet=DEBUG, stdout, R
 
+# j2ssh
+log4j.logger.com.sshtools.j2ssh=WARN, R
 # Pattern to output the caller's file name and line number.
 log4j.appender.stdout.layout.ConversionPattern=%5p [%t] (%F:%L) - %m%n