我有一个由 Maven 支持的多模块 Spring Boot 应用程序。有一个父 pom.xml 定义了所有依赖项。有 2 个模块 A 和 B。模块 B 依赖于模块 A。这两个模块都是 spring 应用程序,我已将它们重新打包为 jar,以便模块之间的相互依赖关系可以工作。我的应用程序运行良好,但是在生成 liquibase 差异时遇到了问题。我的模块 A 和 B 拥有所有域/休眠实体。父级没有任何代码。它只有 pom.xml。
当我从父级执行 mvn liquibase:diff 时,我得到
Error setting up or running Liquibase: javax.persistence.PersistenceException: Unable to resolve persistence unit root URL: class path resource [] cannot be resolved to URL because it does not exist
当我从模块 B 执行 mvn liquibase:diff 时,我得到(我在父 pom 中定义了依赖项)
Failed to execute goal org.liquibase:liquibase-maven-plugin:3.5.5:diff (default-cli) on project leave: Execution default-cli of goal org.liquibase:liquibase-maven-plugin:3.5.5:diff failed: Plugin org.liquibase:liquibase-maven-plugin:3.5.5 or one of its dependencies could not be resolved: Could not find artifact org.springframework.boot:spring-boot-starter-data-jpa:jar:1.0-SNAPSHOT -> [Help 1]
我不知道是否使用以下代码重组父 pom 中的 jar 以使应用程序正常工作是否会导致此问题。
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<id>repackage</id>
<configuration>
<classifier>exec</classifier>
</configuration>
</execution>
</executions>
</plugin>
父 POM.xml,它有一些所有依赖项和插件的列表
<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>
<groupId>org.xxx</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.4.RELEASE</version>
</parent>
<modules>
<module>A</module>
<module>B</module>
</modules>
一个 Pom.xml
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.xxx</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>A</artifactId>
<packaging>jar</packaging>
<properties>
<java.version>1.8</java.version>
</properties>
</project>
b Pom.xml
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.xxx</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>B</artifactId>
<packaging>jar</packaging>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.xxx</groupId>
<artifactId>A</artifactId>
<version>1.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
</dependencies>
</project>