diff --git a/pom.xml b/pom.xml
index ca6d4afe82..fc0c8f8ba7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,9 @@
         <module>core-java</module>
         <module>core-java-io</module>
         <module>core-java-8</module>
+		<!--
         <module>core-java-concurrency</module>
+		-->
         <module>couchbase</module>
 
         <module>deltaspike</module>
diff --git a/spring-cloud/spring-cloud-security/oauth2client/pom.xml b/spring-cloud/spring-cloud-security/auth-client/pom.xml
similarity index 97%
rename from spring-cloud/spring-cloud-security/oauth2client/pom.xml
rename to spring-cloud/spring-cloud-security/auth-client/pom.xml
index fd1c6964e1..5213b93f9a 100644
--- a/spring-cloud/spring-cloud-security/oauth2client/pom.xml
+++ b/spring-cloud/spring-cloud-security/auth-client/pom.xml
@@ -3,11 +3,11 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.baeldung</groupId>
-	<artifactId>oauth2client</artifactId>
+	<artifactId>auth-client</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
-	<name>oauth2client</name>
+	<name>auth-client</name>
 	<description>Demo project for Spring Boot</description>
 
 	<parent>
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/CloudSite.java b/spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/CloudSite.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/CloudSite.java
rename to spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/CloudSite.java
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/config/SiteSecurityConfigurer.java b/spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/config/SiteSecurityConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/config/SiteSecurityConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/config/SiteSecurityConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/controller/CloudSiteController.java b/spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/controller/CloudSiteController.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/controller/CloudSiteController.java
rename to spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/controller/CloudSiteController.java
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/filters/SimpleFilter.java b/spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/filters/SimpleFilter.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/java/com/baeldung/filters/SimpleFilter.java
rename to spring-cloud/spring-cloud-security/auth-client/src/main/java/com/baeldung/filters/SimpleFilter.java
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/resources/application.properties b/spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.properties
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/resources/application.properties
rename to spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.properties
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/resources/application.yml b/spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.yml
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/resources/application.yml
rename to spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.yml
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/main/resources/templates/personinfo.html b/spring-cloud/spring-cloud-security/auth-client/src/main/resources/templates/personinfo.html
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/main/resources/templates/personinfo.html
rename to spring-cloud/spring-cloud-security/auth-client/src/main/resources/templates/personinfo.html
diff --git a/spring-cloud/spring-cloud-security/oauth2client/src/test/java/com/example/springoath2/Springoath2ApplicationTests.java b/spring-cloud/spring-cloud-security/auth-client/src/test/java/com/example/springoath2/Springoath2ApplicationTests.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/oauth2client/src/test/java/com/example/springoath2/Springoath2ApplicationTests.java
rename to spring-cloud/spring-cloud-security/auth-client/src/test/java/com/example/springoath2/Springoath2ApplicationTests.java
diff --git a/spring-cloud/spring-cloud-security/personresource/pom.xml b/spring-cloud/spring-cloud-security/auth-resource/pom.xml
similarity index 96%
rename from spring-cloud/spring-cloud-security/personresource/pom.xml
rename to spring-cloud/spring-cloud-security/auth-resource/pom.xml
index ca1ff82515..2c54d24e7d 100644
--- a/spring-cloud/spring-cloud-security/personresource/pom.xml
+++ b/spring-cloud/spring-cloud-security/auth-resource/pom.xml
@@ -4,11 +4,11 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>com.baeldung</groupId>
-	<artifactId>personresource</artifactId>
+	<artifactId>auth-resource</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
-	<name>personresource</name>
+	<name>auth-resource</name>
 	<description>Demo project for Spring Boot</description>
 
 	<parent>
diff --git a/spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/Application.java b/spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/Application.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/Application.java
rename to spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/Application.java
diff --git a/spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/config/ResourceConfigurer.java b/spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/config/ResourceConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/config/ResourceConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/config/ResourceConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/controller/PersonInfoController.java b/spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/controller/PersonInfoController.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/controller/PersonInfoController.java
rename to spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/controller/PersonInfoController.java
diff --git a/spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/model/Person.java b/spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/model/Person.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/main/java/com/baeldung/model/Person.java
rename to spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/model/Person.java
diff --git a/spring-cloud/spring-cloud-security/personresource/src/main/resources/application.yml b/spring-cloud/spring-cloud-security/auth-resource/src/main/resources/application.yml
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/main/resources/application.yml
rename to spring-cloud/spring-cloud-security/auth-resource/src/main/resources/application.yml
diff --git a/spring-cloud/spring-cloud-security/personresource/src/test/java/com/baeldung/service/personservice/PersonserviceApplicationTests.java b/spring-cloud/spring-cloud-security/auth-resource/src/test/java/com/baeldung/service/personservice/PersonserviceApplicationTests.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/personresource/src/test/java/com/baeldung/service/personservice/PersonserviceApplicationTests.java
rename to spring-cloud/spring-cloud-security/auth-resource/src/test/java/com/baeldung/service/personservice/PersonserviceApplicationTests.java
diff --git a/spring-cloud/spring-cloud-security/authserver/pom.xml b/spring-cloud/spring-cloud-security/auth-server/pom.xml
similarity index 96%
rename from spring-cloud/spring-cloud-security/authserver/pom.xml
rename to spring-cloud/spring-cloud-security/auth-server/pom.xml
index ed88ac046b..ab30f3f2ec 100644
--- a/spring-cloud/spring-cloud-security/authserver/pom.xml
+++ b/spring-cloud/spring-cloud-security/auth-server/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>com.baeldung</groupId>
-	<artifactId>authserver</artifactId>
+	<artifactId>auth-server</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 
 
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/AuthServer.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/AuthServer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/AuthServer.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/AuthServer.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/AuthServerConfigurer.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/AuthServerConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/AuthServerConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/AuthServerConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/ResourceServerConfigurer.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/ResourceServerConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/ResourceServerConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/ResourceServerConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/WebMvcConfigurer.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebMvcConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/WebMvcConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebMvcConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/WebSecurityConfigurer.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebSecurityConfigurer.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/config/WebSecurityConfigurer.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebSecurityConfigurer.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/controller/ResourceController.java b/spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/controller/ResourceController.java
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/java/com/baeldung/controller/ResourceController.java
rename to spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/controller/ResourceController.java
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/resources/application.yml b/spring-cloud/spring-cloud-security/auth-server/src/main/resources/application.yml
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/resources/application.yml
rename to spring-cloud/spring-cloud-security/auth-server/src/main/resources/application.yml
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/resources/certificate/mykeystore.jks b/spring-cloud/spring-cloud-security/auth-server/src/main/resources/certificate/mykeystore.jks
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/resources/certificate/mykeystore.jks
rename to spring-cloud/spring-cloud-security/auth-server/src/main/resources/certificate/mykeystore.jks
diff --git a/spring-cloud/spring-cloud-security/authserver/src/main/resources/templates/login.html b/spring-cloud/spring-cloud-security/auth-server/src/main/resources/templates/login.html
similarity index 100%
rename from spring-cloud/spring-cloud-security/authserver/src/main/resources/templates/login.html
rename to spring-cloud/spring-cloud-security/auth-server/src/main/resources/templates/login.html
diff --git a/spring-integration/src/test/java/com/baeldung/si/TestSpringIntegrationSecurity.java b/spring-integration/src/test/java/com/baeldung/si/TestSpringIntegrationSecurity.java
index 45dcb1e836..9ae82af2dc 100644
--- a/spring-integration/src/test/java/com/baeldung/si/TestSpringIntegrationSecurity.java
+++ b/spring-integration/src/test/java/com/baeldung/si/TestSpringIntegrationSecurity.java
@@ -1,8 +1,11 @@
 package com.baeldung.si;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
+import org.hamcrest.core.IsInstanceOf;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.messaging.SubscribableChannel;
@@ -21,6 +24,9 @@ import com.baeldung.si.security.SecurityConfig;
 @ContextConfiguration(classes = { SecurityConfig.class, SecuredDirectChannel.class, MessageConsumer.class })
 public class TestSpringIntegrationSecurity {
 
+    @Rule
+    public ExpectedException expectedException = ExpectedException.none();
+
     @Autowired
     SubscribableChannel startDirectChannel;
 
@@ -34,34 +40,28 @@ public class TestSpringIntegrationSecurity {
         startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
     }
 
-    @Test(expected = AccessDeniedException.class)
+    @Test
     @WithMockUser(username = "jane", roles = { "LOGGER" })
-    public void givenRoleLogger_whenSendMessageToDirectChannel_thenAccessDenied() throws Throwable {
-        try {
-            startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
-        } catch (Exception e) {
-            throw e.getCause();
-        }
+    public void givenRoleLogger_whenSendMessageToDirectChannel_thenAccessDenied() {
+        expectedException.expectCause(IsInstanceOf.<Throwable> instanceOf(AccessDeniedException.class));
+
+        startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
     }
 
-    @Test(expected = AccessDeniedException.class)
+    @Test
     @WithMockUser(username = "jane")
-    public void givenJane_whenSendMessageToDirectChannel_thenAccessDenied() throws Throwable {
-        try {
-            startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
-        } catch (Exception e) {
-            throw e.getCause();
-        }
+    public void givenJane_whenSendMessageToDirectChannel_thenAccessDenied() {
+        expectedException.expectCause(IsInstanceOf.<Throwable> instanceOf(AccessDeniedException.class));
+
+        startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
     }
 
-    @Test(expected = AccessDeniedException.class)
+    @Test
     @WithMockUser(roles = { "VIEWER" })
-    public void givenRoleViewer_whenSendToDirectChannel_thenAccessDenied() throws Throwable {
-        try {
-            startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
-        } catch (Exception e) {
-            throw e.getCause();
-        }
+    public void givenRoleViewer_whenSendToDirectChannel_thenAccessDenied() {
+        expectedException.expectCause(IsInstanceOf.<Throwable> instanceOf(AccessDeniedException.class));
+
+        startDirectChannel.send(new GenericMessage<String>(DIRECT_CHANNEL_MESSAGE));
     }
 
     @Test
@@ -78,4 +78,4 @@ public class TestSpringIntegrationSecurity {
         assertEquals(DIRECT_CHANNEL_MESSAGE, messageConsumer.getMessageContent());
     }
 
-}
+}
\ No newline at end of file