diff --git a/cws-installer/src/main/resources/log4j2.properties b/cws-installer/src/main/resources/log4j2.properties
index 9ae79935..8eff02ea 100644
--- a/cws-installer/src/main/resources/log4j2.properties
+++ b/cws-installer/src/main/resources/log4j2.properties
@@ -14,6 +14,7 @@
 # 'status' refers to log messages from Log4j2 itself
 status = warn
 
+
 # console appender
 appender.console.type = Console
 appender.console.name = STDOUT
@@ -24,21 +25,25 @@ appender.console.layout.pattern = INSTALLER: %d{ISO8601}{UTC} %-5p [%20.20t] %30
 # Spring Framework
 logger.springframework.name = org.springframework
 logger.springframework.level = info
+logger.springframework.additivity = false
 logger.springframework.appenderRef.stdout.ref = STDOUT
 
 # CWS
 logger.cws.name = jpl.cws
 logger.cws.level = info
+logger.cws.additivity = false
 logger.cws.appenderRef.stdout.ref = STDOUT
 
 # Javax
 logger.javax.name = javax.activation.level
 logger.javax.level = info
+logger.javax.additivity = false
 logger.javax.appenderRef.stdout.ref = STDOUT
 
 # ActiveMQ
 logger.activemq.name = org.apache.activemq.transport
 logger.activemq.level = info
+logger.activemq.additivity = false
 logger.activemq.appenderRef.stdout.ref = STDOUT
 
 # ROOT
diff --git a/install/tomcat_lib/log4j2-tomcat.properties b/install/tomcat_lib/log4j2-tomcat.properties
index 2dbc4fa0..451db277 100644
--- a/install/tomcat_lib/log4j2-tomcat.properties
+++ b/install/tomcat_lib/log4j2-tomcat.properties
@@ -43,31 +43,37 @@ appender.rolling.strategy.fileIndex = nomax
 # Camunda
 logger.camunda.name = org.camunda
 logger.camunda.level = info
+logger.camunda.additivity = false
 logger.camunda.appenderRef.stdout.ref = RollingFile
 
 # Camunda Engine
 logger.camundaEngine.name = org.camunda.bpmn.engine
 logger.camundaEngine.level = warn
+logger.camundaEngine.additivity = false
 logger.camundaEngine.appenderRef.stdout.ref = RollingFile
 
 # Spring Framework
 logger.springframework.name = org.springframework
 logger.springframework.level = info
+logger.springframework.additivity = false
 logger.springframework.appenderRef.stdout.ref = RollingFile
 
 # CWS
 logger.cws.name = jpl.cws
 logger.cws.level = debug
+logger.cws.additivity = false
 logger.cws.appenderRef.stdout.ref = RollingFile
 
 # Javax
 logger.javax.name = javax.activation.level
 logger.javax.level = info
+logger.javax.additivity = false
 logger.javax.appenderRef.stdout.ref = RollingFile
 
 # ActiveMQ
 logger.activemq.name = org.apache.activemq.transport
 logger.activemq.level = info
+logger.activemq.additivity = false
 logger.activemq.appenderRef.stdout.ref = RollingFile
 
 # ROOT