diff --git a/.github/workflows/maven-master-pulls.yml b/.github/workflows/maven-master-pulls.yml
index d3ad606ea4b..b658a894585 100644
--- a/.github/workflows/maven-master-pulls.yml
+++ b/.github/workflows/maven-master-pulls.yml
@@ -30,7 +30,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Build with Maven
-        run: mvn -B -U verify --file pom.xml
+        run: mvn -B -U install --file pom.xml
 
       - name: Check local context
         run: |
@@ -80,4 +80,4 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Build with Maven
-        run: mvn -B -U clean verify -DskipTests -Dmaven.test.skip=true -Dmaven.site.skip=true -Dmaven.javadoc.skip=true -Psamples-java8 --file pom.xml
\ No newline at end of file
+        run: mvn -B -U clean install -DskipTests -Dmaven.test.skip=true -Dmaven.site.skip=true -Dmaven.javadoc.skip=true -Psamples-java8 --file pom.xml
\ No newline at end of file
diff --git a/samples/server/petstore/java-vertx/async/pom.xml b/samples/server/petstore/java-vertx/async/pom.xml
index de0ab55078e..ba50feacd2d 100644
--- a/samples/server/petstore/java-vertx/async/pom.xml
+++ b/samples/server/petstore/java-vertx/async/pom.xml
@@ -1,91 +1,89 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-	<modelVersion>4.0.0</modelVersion>
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
 
-	<groupId>io.swagger</groupId>
-	<artifactId>swagger-java-vertx-server</artifactId>
-	<version>1.0.0-SNAPSHOT</version>
-	<packaging>jar</packaging>
+    <groupId>io.swagger</groupId>
+    <artifactId>swagger-java-vertx-server</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
 
-	<name>Swagger Petstore</name>
+    <name>Swagger Petstore</name>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<java.version>1.8</java.version>
-		<junit.version>4.12</junit.version>
-		<vertx.version>3.4.1</vertx.version>
-		<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
-		<vertx-swagger-router.version>1.2.0</vertx-swagger-router.version>
-		<maven-shade-plugin.version>2.3</maven-shade-plugin.version>
-		<jackson-datatype-jsr310.version>2.11.4</jackson-datatype-jsr310.version>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <java.version>1.8</java.version>
+        <junit.version>4.12</junit.version>
+        <vertx.version>3.4.1</vertx.version>
+        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
+        <vertx-swagger-router.version>1.2.0</vertx-swagger-router.version>
+        <maven-shade-plugin.version>2.3</maven-shade-plugin.version>
+        <jackson-datatype-jsr310.version>2.11.4</jackson-datatype-jsr310.version>
+    </properties>
 
-	<dependencies>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>${junit.version}</version>
-			<scope>test</scope>
-		</dependency>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>io.vertx</groupId>
-			<artifactId>vertx-unit</artifactId>
-			<version>${vertx.version}</version>
-			<scope>test</scope>
-		</dependency>
+        <dependency>
+            <groupId>io.vertx</groupId>
+            <artifactId>vertx-unit</artifactId>
+            <version>${vertx.version}</version>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>com.github.phiz71</groupId>
-			<artifactId>vertx-swagger-router</artifactId>
-			<version>${vertx-swagger-router.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.github.phiz71</groupId>
+            <artifactId>vertx-swagger-router</artifactId>
+            <version>${vertx-swagger-router.version}</version>
+        </dependency>
 
-		<dependency>
-			<groupId>com.fasterxml.jackson.datatype</groupId>
-			<artifactId>jackson-datatype-jsr310</artifactId>
-			<version>${jackson-datatype-jsr310.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>${jackson-datatype-jsr310.version}</version>
+        </dependency>
 
-	</dependencies>
+    </dependencies>
 
-	<build>
-		<plugins>
-			<plugin>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>${maven-compiler-plugin.version}</version>
-				<configuration>
-					<source>${java.version}</source>
-					<target>${java.version}</target>
-				</configuration>
-			</plugin>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
 
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-shade-plugin</artifactId>
-				<version>${maven-shade-plugin.version}</version>
-				<executions>
-					<execution>
-						<phase>package</phase>
-						<goals>
-							<goal>shade</goal>
-						</goals>
-						<configuration>
-							<transformers>
-								<transformer
-										implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-									<manifestEntries>
-										<Main-Class>io.vertx.core.Starter</Main-Class>
-										<Main-Verticle>io.swagger.server.api.MainApiVerticle</Main-Verticle>
-									</manifestEntries>
-								</transformer>
-							</transformers>
-							<artifactSet />
-							<outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar</outputFile>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>${maven-shade-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>io.swagger.server.api.MainApiVerticle</mainClass>
+                                </transformer>
+                            </transformers>
+                            <artifactSet/>
+                            <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar
+                            </outputFile>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>
diff --git a/samples/server/petstore/java-vertx/rx/pom.xml b/samples/server/petstore/java-vertx/rx/pom.xml
index df9f6783831..eb1f4f10b4d 100644
--- a/samples/server/petstore/java-vertx/rx/pom.xml
+++ b/samples/server/petstore/java-vertx/rx/pom.xml
@@ -1,91 +1,89 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-	<modelVersion>4.0.0</modelVersion>
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
 
-	<groupId>io.swagger</groupId>
-	<artifactId>swagger-java-vertx-rx-server</artifactId>
-	<version>1.0.0-SNAPSHOT</version>
-	<packaging>jar</packaging>
+    <groupId>io.swagger</groupId>
+    <artifactId>swagger-java-vertx-rx-server</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
 
-	<name>Swagger Petstore</name>
+    <name>Swagger Petstore</name>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<java.version>1.8</java.version>
-		<junit.version>4.12</junit.version>
-		<vertx.version>3.4.1</vertx.version>
-		<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
-		<vertx-swagger-router.version>1.2.0</vertx-swagger-router.version>
-		<maven-shade-plugin.version>2.3</maven-shade-plugin.version>
-		<jackson-datatype-jsr310.version>2.11.4</jackson-datatype-jsr310.version>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <java.version>1.8</java.version>
+        <junit.version>4.12</junit.version>
+        <vertx.version>3.4.1</vertx.version>
+        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
+        <vertx-swagger-router.version>1.2.0</vertx-swagger-router.version>
+        <maven-shade-plugin.version>2.3</maven-shade-plugin.version>
+        <jackson-datatype-jsr310.version>2.11.4</jackson-datatype-jsr310.version>
+    </properties>
 
-	<dependencies>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>${junit.version}</version>
-			<scope>test</scope>
-		</dependency>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>io.vertx</groupId>
-			<artifactId>vertx-unit</artifactId>
-			<version>${vertx.version}</version>
-			<scope>test</scope>
-		</dependency>
+        <dependency>
+            <groupId>io.vertx</groupId>
+            <artifactId>vertx-unit</artifactId>
+            <version>${vertx.version}</version>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>com.github.phiz71</groupId>
-			<artifactId>vertx-swagger-router</artifactId>
-			<version>${vertx-swagger-router.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.github.phiz71</groupId>
+            <artifactId>vertx-swagger-router</artifactId>
+            <version>${vertx-swagger-router.version}</version>
+        </dependency>
 
-		<dependency>
-			<groupId>com.fasterxml.jackson.datatype</groupId>
-			<artifactId>jackson-datatype-jsr310</artifactId>
-			<version>${jackson-datatype-jsr310.version}</version>
-		</dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>${jackson-datatype-jsr310.version}</version>
+        </dependency>
 
-	</dependencies>
+    </dependencies>
 
-	<build>
-		<plugins>
-			<plugin>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>${maven-compiler-plugin.version}</version>
-				<configuration>
-					<source>${java.version}</source>
-					<target>${java.version}</target>
-				</configuration>
-			</plugin>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
 
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-shade-plugin</artifactId>
-				<version>${maven-shade-plugin.version}</version>
-				<executions>
-					<execution>
-						<phase>package</phase>
-						<goals>
-							<goal>shade</goal>
-						</goals>
-						<configuration>
-							<transformers>
-								<transformer
-										implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-									<manifestEntries>
-										<Main-Class>io.vertx.core.Starter</Main-Class>
-										<Main-Verticle>io.swagger.server.api.MainApiVerticle</Main-Verticle>
-									</manifestEntries>
-								</transformer>
-							</transformers>
-							<artifactSet />
-							<outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar</outputFile>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>${maven-shade-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>io.swagger.server.api.MainApiVerticle</mainClass>
+                                </transformer>
+                            </transformers>
+                            <artifactSet/>
+                            <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar
+                            </outputFile>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>