diff --git a/spring-reactive-modules/spring-reactive/pom.xml b/spring-reactive-modules/spring-reactive/pom.xml
index 2281e6b0b4..f19809e302 100644
--- a/spring-reactive-modules/spring-reactive/pom.xml
+++ b/spring-reactive-modules/spring-reactive/pom.xml
@@ -6,9 +6,10 @@
     <artifactId>spring-reactive</artifactId>
 
     <parent>
-        <groupId>com.baeldung.spring.reactive</groupId>
-        <artifactId>spring-reactive-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-3</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencies>
@@ -90,6 +91,18 @@
         </profile>
     </profiles>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <properties>
         <reactor.version>3.4.16</reactor.version>
         <reactor-kafka.version>1.3.10</reactor-kafka.version>
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/consumer/ConsumerDebuggingApplication.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/consumer/ConsumerDebuggingApplication.java
index fa10383c95..9cb8cdf003 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/consumer/ConsumerDebuggingApplication.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/consumer/ConsumerDebuggingApplication.java
@@ -24,10 +24,10 @@ public class ConsumerDebuggingApplication {
 
     @Bean
     public SecurityWebFilterChain debuggingConsumerSpringSecurityFilterChain(ServerHttpSecurity http) {
-        http.authorizeExchange()
-            .anyExchange()
-            .permitAll();
-        http.csrf().disable();
+        http.authorizeExchange(exchanges  -> exchanges
+          .anyExchange()
+          .permitAll());
+        http.csrf(csrf -> csrf.disable());
         return http.build();
     }
 }
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/server/ServerDebuggingApplication.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/server/ServerDebuggingApplication.java
index ddf97ee5a8..d836a892aa 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/server/ServerDebuggingApplication.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/debugging/server/ServerDebuggingApplication.java
@@ -22,9 +22,9 @@ public class ServerDebuggingApplication {
     
     @Bean
     public SecurityWebFilterChain debuggingServerSpringSecurityFilterChain(ServerHttpSecurity http) {
-        http.authorizeExchange()
-            .anyExchange()
-            .permitAll();
+        http.authorizeExchange(exchanges  -> exchanges
+          .anyExchange()
+          .permitAll());
         return http.build();
     }
 }
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SecurityConfig.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SecurityConfig.java
index 67e54ad26a..69683452cd 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SecurityConfig.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SecurityConfig.java
@@ -1,6 +1,7 @@
 package com.baeldung.reactive.security;
 
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.annotation.method.configuration.EnableReactiveMethodSecurity;
 import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
@@ -12,18 +13,19 @@ import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.server.SecurityWebFilterChain;
 
 @EnableWebFluxSecurity
+@Configuration
 @EnableReactiveMethodSecurity
 public class SecurityConfig {
 
     @Bean
     public SecurityWebFilterChain securityWebFilterChain(ServerHttpSecurity http) {
-        return http.authorizeExchange()
-          .pathMatchers("/admin").hasAuthority("ROLE_ADMIN")
-          .anyExchange().authenticated()
-          .and()
-          .formLogin()
-          .and()
-          .csrf().disable()
+        return http
+          .authorizeExchange(exchanges  -> exchanges
+            .pathMatchers("/admin").hasAuthority("ROLE_ADMIN")
+            .anyExchange().authenticated())
+          .formLogin(formLogin -> formLogin
+            .loginPage("/login"))
+          .csrf(csrf -> csrf.disable())
           .build();
     }
 
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity6Application.java
similarity index 94%
rename from spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java
rename to spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity6Application.java
index bc0895a38b..4b20c678b5 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/security/SpringSecurity6Application.java
@@ -13,11 +13,11 @@ import reactor.netty.http.server.HttpServer;
 
 @ComponentScan(basePackages = {"com.baeldung.reactive.security"})
 @EnableWebFlux
-public class SpringSecurity5Application {
+public class SpringSecurity6Application {
 
     public static void main(String[] args) {
         try (AnnotationConfigApplicationContext context =
-                     new AnnotationConfigApplicationContext(SpringSecurity5Application.class)) {
+                     new AnnotationConfigApplicationContext(SpringSecurity6Application.class)) {
             context.getBean(DisposableServer.class).onDispose().block();
         }
     }
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webclient/WebClientApplication.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webclient/WebClientApplication.java
index 3a62e7b8a5..c756f43893 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webclient/WebClientApplication.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webclient/WebClientApplication.java
@@ -16,9 +16,8 @@ public class WebClientApplication {
 
     @Bean
     public SecurityWebFilterChain filterChain(ServerHttpSecurity http) {
-        http.csrf().disable()
-          .authorizeExchange()
-          .anyExchange().permitAll();
+        http.csrf(csrf -> csrf.disable())
+          .authorizeExchange(exchanges  -> exchanges.anyExchange().permitAll());
         return http.build();
     }
 }
diff --git a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webflux/annotation/EmployeeWebSecurityConfig.java b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webflux/annotation/EmployeeWebSecurityConfig.java
index fc98b70c0f..67c10e12a2 100644
--- a/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webflux/annotation/EmployeeWebSecurityConfig.java
+++ b/spring-reactive-modules/spring-reactive/src/main/java/com/baeldung/reactive/webflux/annotation/EmployeeWebSecurityConfig.java
@@ -1,7 +1,9 @@
 package com.baeldung.reactive.webflux.annotation;
 
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpMethod;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
 import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
@@ -12,6 +14,7 @@ import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.server.SecurityWebFilterChain;
 
 @EnableWebFluxSecurity
+@Configuration
 public class EmployeeWebSecurityConfig {
 
     @Bean
@@ -27,12 +30,11 @@ public class EmployeeWebSecurityConfig {
     @Bean
     public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
         http
-          .csrf().disable()
-          .authorizeExchange()
+          .csrf(csrf -> csrf.disable())
+          .authorizeExchange(exchanges -> exchanges
             .pathMatchers(HttpMethod.POST, "/employees/update").hasRole("ADMIN")
-            .pathMatchers("/**").permitAll()
-          .and()
-          .httpBasic();
+            .pathMatchers("/**").permitAll())
+          .httpBasic(Customizer.withDefaults());
         return http.build();
     }
 
diff --git a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/security/SecurityIntegrationTest.java b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/security/SecurityIntegrationTest.java
index 6bf39e4791..161c739ffb 100644
--- a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/security/SecurityIntegrationTest.java
+++ b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/security/SecurityIntegrationTest.java
@@ -8,7 +8,7 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.security.test.context.support.WithMockUser;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
-@SpringBootTest(classes = SpringSecurity5Application.class)
+@SpringBootTest(classes = SpringSecurity6Application.class)
 class SecurityIntegrationTest {
 
     @Autowired
diff --git a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebClientIntegrationTest.java b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebClientIntegrationTest.java
index aaecb6498c..f109ab4887 100644
--- a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebClientIntegrationTest.java
+++ b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebClientIntegrationTest.java
@@ -7,7 +7,7 @@ import io.netty.handler.timeout.WriteTimeoutHandler;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.boot.test.web.server.LocalServerPort;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.core.codec.CodecException;
 import org.springframework.http.HttpHeaders;
diff --git a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebControllerIntegrationTest.java b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebControllerIntegrationTest.java
index f4d2f4384f..9274f836e6 100644
--- a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebControllerIntegrationTest.java
+++ b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebControllerIntegrationTest.java
@@ -5,7 +5,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.boot.test.web.server.LocalServerPort;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
diff --git a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebTestClientIntegrationTest.java b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebTestClientIntegrationTest.java
index 6c7433dfe3..d476fb1e9a 100644
--- a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebTestClientIntegrationTest.java
+++ b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclient/WebTestClientIntegrationTest.java
@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.boot.test.web.server.LocalServerPort;
 import org.springframework.context.ApplicationContext;
 import org.springframework.security.test.context.support.WithMockUser;
 import org.springframework.test.web.reactive.server.WebTestClient;
diff --git a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclientrequests/WebClientRequestsWithParametersUnitTest.java b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclientrequests/WebClientRequestsWithParametersUnitTest.java
index 3e09521e04..bf407dbbf7 100644
--- a/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclientrequests/WebClientRequestsWithParametersUnitTest.java
+++ b/spring-reactive-modules/spring-reactive/src/test/java/com/baeldung/reactive/webclientrequests/WebClientRequestsWithParametersUnitTest.java
@@ -14,10 +14,7 @@ import org.springframework.web.util.DefaultUriBuilderFactory;
 import reactor.core.publisher.Mono;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyNoMoreInteractions;
-import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.*;
 
 @WebFluxTest
 class WebClientRequestsWithParametersUnitTest {
@@ -51,6 +48,7 @@ class WebClientRequestsWithParametersUnitTest {
           .uri("/products")
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products");
@@ -64,6 +62,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build(2))
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/2");
@@ -77,6 +76,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build(2, 13))
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/2/attributes/13");
@@ -93,6 +93,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build())
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?name=AndroidPhone&color=black&deliveryDate=13/04/2019");
@@ -109,6 +110,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build("AndroidPhone", "black", "13/04/2019"))
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?name=AndroidPhone&color=black&deliveryDate=13%2F04%2F2019");
@@ -123,6 +125,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build())
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?tag%5B%5D=Snapdragon&tag%5B%5D=NFC");
@@ -137,6 +140,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build())
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?category=Phones&category=Tablets");
@@ -151,6 +155,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build())
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?category=Phones,Tablets");
@@ -176,6 +181,7 @@ class WebClientRequestsWithParametersUnitTest {
             .build())
           .retrieve()
           .bodyToMono(String.class)
+          .onErrorResume(e -> Mono.empty())
           .block();
 
         verifyCalledUrl("/products/?name=AndroidPhone&color=black&deliveryDate=13/04/2019");