{"id":257,"date":"2020-10-21T23:16:27","date_gmt":"2020-10-21T23:16:27","guid":{"rendered":"https:\/\/www.oreineke.dev\/?p=257"},"modified":"2024-09-30T11:49:45","modified_gmt":"2024-09-30T11:49:45","slug":"spring-boot-projekts-as-maven-sub-modules","status":"publish","type":"post","link":"https:\/\/www.oreineke.dev\/?p=257","title":{"rendered":"Spring Boot Projects as Maven Sub-Modules"},"content":{"rendered":"\n

The easiest ways to setup a Spring Boot<\/a> project with Maven <\/a>is to define spring-boot-starter-parent<\/code> as the project’s parent in you POM file:<\/p>\n\n\n

\n<project ...>\n<parent>\n  <groupId>org.springframework.boot<\/groupId>\n  <artifactId>spring-boot-starter-parent<\/artifactId>\n  <version>2.3.4.RELEASE<\/version>\n <\/parent>\n...\n<\/pre><\/div>\n\n\n
This way,  you will inherit some useful dependencies and other definitions.<\/p>\n\n\n\n
But there are situations when you need to use a different parent, for example if your Spring Boot project is supposed to be a sub-module in a larger project.<\/p>\n\n\n\n
In this case, you can still import the above mentioned dependencies by adding spring-boot-dependencies<\/code> as a dependency in the <dependencyManagement><\/code> section of your POM file:<\/p>\n\n\n
\n<dependencyManagement>\n  <dependencies>\n    <dependency>\n      <groupId>org.springframework.boot<\/groupId>\n      <artifactId>spring-boot-dependencies<\/artifactId>\n      <version>2.3.4.RELEASE<\/version>\n      <type>pom<\/type>\n      <scope>import<\/scope>\n    <\/dependency>\n  <\/dependencies>\n<\/dependencyManagement>\n<\/pre><\/div>\n\n\n
But you will find that your integration tests, usually managed by the Maven Failsafe plugin<\/a>, will now fail with an error:<\/p>\n\n\n
\nUnable to find a @SpringBootConfiguration\n<\/pre><\/div>\n\n\n
To resolve this, you need to add the following <classesDirectory><\/code> configuration to the Failsafe plugin definition in your POM file:<\/p>\n\n\n
\n<plugin>\n  <groupId>org.apache.maven.plugins<\/groupId>\n  <artifactId>maven-failsafe-plugin<\/artifactId>\n  <version>2.22.2<\/version>\n  <executions>\n    <execution>\n      <goals>\n        <goal>integration-test<\/goal>\n           <goal>verify<\/goal>\n        <\/goals>\n    <\/execution>\n <\/executions>\n <configuration>\n   <classesDirectory>${project.build.outputDirectory}<\/classesDirectory>\n <\/configuration>\n<\/plugin>\n\n<\/pre><\/div>\n\n\n
You can confirm that this definition is in fact part of the spring-boot-starter-parent<\/code>‘s POM by looking into it<\/a>!<\/p>\n","protected":false},"excerpt":{"rendered":"
The easiest ways to setup a Spring Boot project with Maven is to define spring-boot-starter-parent as the project’s parent in you POM file: This way, you will inherit some useful dependencies and other definitions. But there are situations when you need to use a different parent, for example if your Spring Boot project is supposed 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