创建生产模式war的问题

Hello,

在build生产模式下生成war包失败,输入命令mvn package -Dvaadin.productionMode,提示Unknown lifecycle phase “.productionMode”.请帮忙看一下是否pom缺少了什么配置。
这是控制台信息:

PS C:\Users\SIMEON\Downloads\my-starter-project\my-starter-project-ui> mvn package -Dvaadin.productionMode
[INFO]
 Scanning for projects...
[INFO]

[INFO]
 ----------------< com.qq.zz:my-starter-project-ui >-----------------
[INFO]
 Building My Starter Project-ui 1.0-SNAPSHOT
[INFO]
 --------------------------------[ war ]
---------------------------------
[INFO]
 ------------------------------------------------------------------------
[INFO]
 BUILD FAILURE
[INFO]
 ------------------------------------------------------------------------
[INFO]
 Total time:  0.216 s
[INFO]
 Finished at: 2018-11-28T08:32:19+08:00
[INFO]
 ------------------------------------------------------------------------
[ERROR]
 Unknown lifecycle phase ".productionMode". You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]
:<goal>. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-clean, clean, post-clean, pre-site, site, post-site, site-deploy. -> [Help 1]

[ERROR]

[ERROR]
 To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR]
 Re-run Maven using the -X switch to enable full debug logging.
[ERROR]

[ERROR]
 For more information about the errors and possible solutions, please read the following articles:
[ERROR]
 [Help 1]
 http://cwiki.apache.org/confluence/display/MAVEN/LifecyclePhaseNotFoundException
PS C:\Users\SIMEON\Downloads\my-starter-project\my-starter-project-ui>


这是pom.xml:

<?xml version="1.0" encoding="UTF-8"?><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/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>my-starter-project</artifactId>
        <groupId>com.qq.zz</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>my-starter-project-ui</artifactId>
    <name>My Starter Project-ui</name>
    <packaging>war</packaging>

    <dependencies>
        <!-- Versions for these are configured in the parent POM -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>${project.groupId}</groupId>
            <artifactId>my-starter-project-backend</artifactId>
            <version>${project.version}</version>
        </dependency>

        <!-- Bean validation implementation -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.4.1.Final</version>
        </dependency>

        <dependency>
            <groupId>com.vaadin</groupId>
            <artifactId>vaadin-core</artifactId>
        </dependency>
        <dependency>
            <groupId>org.vaadin.pekka</groupId>
            <artifactId>checkbox-group-java</artifactId>
            <version>1.0.0.alpha1</version>
        </dependency>
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>

        <!-- Added to provide logging output as Flow uses -->
        <!-- the unbound SLF4J no-operation (NOP) logger implementation -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.eclipse.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <version>${jetty.plugin.version}</version>
                <configuration>
                    <scanIntervalSeconds>2</scanIntervalSeconds>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <profiles>
        <profile>
            <id>productionMode</id>
            <activation>
                <property>
                    <name>vaadin.productionMode</name>
                </property>
            </activation>

            <properties>
                <vaadin.productionMode>true</vaadin.productionMode>
            </properties>

            <dependencies>
                <dependency>
                    <groupId>com.vaadin</groupId>
                    <artifactId>flow-server-production-mode</artifactId>
                </dependency>
            </dependencies>

            <build>
                <plugins>
                    <plugin>
                        <groupId>com.vaadin</groupId>
                        <artifactId>vaadin-maven-plugin</artifactId>
                        <version>${vaadin.version}</version>
                        <executions>
                            <execution>
                                <goals>
                                    <goal>copy-production-files</goal>
                                    <goal>package-for-production</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>

                    <plugin>
                        <groupId>org.eclipse.jetty</groupId>
                        <artifactId>jetty-maven-plugin</artifactId>
                        <version>${jetty.plugin.version}</version>
                        <configuration>
                            <webAppConfig>
                                <resourceBases>
                                    <!-- add the default transpileOutputDirectory as resourceBase for jetty -->
                                    <resourceBase>${project.build.directory}/${project.build.finalName}</resourceBase>
                                </resourceBases>
                            </webAppConfig>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>

</project>

It worked when I was using this command mvn clean package -Dvaadin.productionMode=true