使用liquibase的多个数据库版本控制

Question

我正在尝试使用liquibase更新两个数据库。（我将来可能需要添加更多数据库，因此不能真正使用多个配置文件选项），但是当我运行以下命令来更新数据库架构时。

mvn resources:resources liquibase:update

我收到错误消息

[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building ScannerService 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:resources (default-cli) @ ScannerService ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 2 resources
[INFO]
[INFO] --- liquibase-maven-plugin:3.6.3:update (default-cli) @ ScannerService ---
[INFO] ------------------------------------------------------------------------
[INFO] Starting Liquibase at Tue, 02 Jul 2019 10:59:06 IST (version 3.6.3 built at 2019-01-29 11:34:48)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.271 s
[INFO] Finished at: 2019-07-02T10:59:06+05:30
[INFO] Final Memory: 21M/307M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.liquibase:liquibase-maven-plugin:3.6.3:update (default-cli) on project ScannerService: The database URL has not been specified either as a parameter or in a properties file. -> [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/MojoFailureException

下面是我配置的POM.xml。我在具有不同ID的插件中添加了多个执行。指定了驱动程序和URL，但仍然出现类似“未指定URL”的错误。早些时候我没有使用其他版本的liquibase插件指定驱动程序，然后将插件版本更改为最新的可用版本。但是仍然没有成功。

    <?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">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.prgx</groupId>
    <artifactId>ScannerService</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>ScannerService</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>fi.solita.clamav</groupId>
            <artifactId>clamav-client</artifactId>
            <version>1.0.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
            <plugin>
                <groupId>org.liquibase</groupId>
                <artifactId>liquibase-maven-plugin</artifactId>
                <version>3.6.3</version>
                <executions>
                    <execution>
                        <id>id1</id>
                        <phase>process-resources</phase>
                        <configuration>
                            <changeLogFile>src/main/resources/changelog_p.xml</changeLogFile>
                            <driver>org.postgresql.Driver</driver>
                            <url>jdbc:postgresql://localhost/mypdb</url>
                            <username>postgres</username>
                            <password>******</password>
                            <!-- ... connection properties ... -->
                        </configuration>
                        <goals>
                            <goal>update</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>id2</id>
                        <phase>process-resources</phase>
                        <configuration>
                            <changeLogFile>src/main/resources/changelog_m.xml</changeLogFile>
                            <driver>com.mysql.jdbc.Driver</driver>
                            <url>jdbc:mysql://localhost/mydb</url>
                            <username>root</username>
                            <password>******</password>
                            <!-- ... connection properties ... -->
                        </configuration>
                        <goals>
                            <goal>update</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

我在SO上搜索了类似的问题，但没有成功，感谢任何帮助，谢谢！