reserve_network_port not finding free ports about build-helper-maven-plugin HOT 3 CLOSED

                    <plugin>
                        <groupId>org.codehaus.mojo</groupId>
                        <artifactId>properties-maven-plugin</artifactId>
                        <executions>
                            <execution>
                                <id>load-port-properties</id>
                                <phase>pre-integration-test</phase>
                                <goals>
                                    <goal>read-project-properties</goal>
                                </goals>
                                <configuration>
                                    <files>
                                        <file>${project.build.directory}/ports.properties</file>
                                    </files>
                                </configuration>
                            </execution>
                        </executions>
                    </plugin>

                      <plugin>
                        <groupId>io.fabric8</groupId>
                        <artifactId>docker-maven-plugin</artifactId>
                        <version>0.21.0</version>
                        <configuration>
                            <logDate>default</logDate>
                            <autoPull>true</autoPull>
                           <image>
                                    <alias>db</alias>
                                    <name>mysql-container-example</name>
                                    <run>
                                        <ports>
                                            <port>${db.port}:3306</port>
                                        </ports>
                                        /.. More run options specific to the customized container we're using..../
                                  </run>
                          </image>
                     </configuration>
                        <executions>
                            <execution>
                                <id>start-docker-db</id>
                                <phase>pre-integration-test</phase>
                                <goals>
                                    <goal>start</goal>
                                </goals>
                            </execution>
                            <execution>
                                <id>stop-docker-db</id>
                                <phase>post-integration-test</phase>
                                <goals>
                                    <goal>stop</goal>
                                </goals>
                            </execution>
                        </executions>
            </plugin>