diff --git a/samples/javaconfig/gemfire-clientserver/src/integration-test/resources/logback-test.xml b/samples/javaconfig/gemfire-clientserver/src/integration-test/resources/logback-test.xml
index 81706f7..62a0267 100644
--- a/samples/javaconfig/gemfire-clientserver/src/integration-test/resources/logback-test.xml
+++ b/samples/javaconfig/gemfire-clientserver/src/integration-test/resources/logback-test.xml
@@ -15,6 +15,8 @@
 
 	<logger name="org.apache.geode" level="${logback.log.level:-ERROR}"/>
 
+	<logger name="org.gretty" level="${logback.log.level:-ERROR}"/>
+
 	<logger name="org.springframework" level="${logback.log.level:-ERROR}"/>
 
 	<root level="${logback.log.level:-ERROR}">
diff --git a/samples/javaconfig/gemfire-p2p/src/integration-test/resources/logback-test.xml b/samples/javaconfig/gemfire-p2p/src/integration-test/resources/logback-test.xml
index 81706f7..62a0267 100644
--- a/samples/javaconfig/gemfire-p2p/src/integration-test/resources/logback-test.xml
+++ b/samples/javaconfig/gemfire-p2p/src/integration-test/resources/logback-test.xml
@@ -15,6 +15,8 @@
 
 	<logger name="org.apache.geode" level="${logback.log.level:-ERROR}"/>
 
+	<logger name="org.gretty" level="${logback.log.level:-ERROR}"/>
+
 	<logger name="org.springframework" level="${logback.log.level:-ERROR}"/>
 
 	<root level="${logback.log.level:-ERROR}">
diff --git a/samples/xml/gemfire-clientserver/src/integration-test/resources/logback-test.xml b/samples/xml/gemfire-clientserver/src/integration-test/resources/logback-test.xml
index 81706f7..62a0267 100644
--- a/samples/xml/gemfire-clientserver/src/integration-test/resources/logback-test.xml
+++ b/samples/xml/gemfire-clientserver/src/integration-test/resources/logback-test.xml
@@ -15,6 +15,8 @@
 
 	<logger name="org.apache.geode" level="${logback.log.level:-ERROR}"/>
 
+	<logger name="org.gretty" level="${logback.log.level:-ERROR}"/>
+
 	<logger name="org.springframework" level="${logback.log.level:-ERROR}"/>
 
 	<root level="${logback.log.level:-ERROR}">
diff --git a/samples/xml/gemfire-p2p/src/integration-test/resources/logback-test.xml b/samples/xml/gemfire-p2p/src/integration-test/resources/logback-test.xml
index 81706f7..62a0267 100644
--- a/samples/xml/gemfire-p2p/src/integration-test/resources/logback-test.xml
+++ b/samples/xml/gemfire-p2p/src/integration-test/resources/logback-test.xml
@@ -15,6 +15,8 @@
 
 	<logger name="org.apache.geode" level="${logback.log.level:-ERROR}"/>
 
+	<logger name="org.gretty" level="${logback.log.level:-ERROR}"/>
+
 	<logger name="org.springframework" level="${logback.log.level:-ERROR}"/>
 
 	<root level="${logback.log.level:-ERROR}">