Maven BOM Behavior

bom-pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <groupId>me.porcelli.test</groupId>
  <artifactId>bom-demo</artifactId>
  <version>1.0.0</version>
  <packaging>pom</packaging>
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.tralala</groupId>
        <artifactId>tralala-artifact</artifactId>
        <version>1.0</version>
      </dependency>
      <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-compiler</artifactId>
        <version>10.1.0</version>
      </dependency>
      <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-compiler</artifactId>
        <version>10.1.0</version>
        <classifier>sources</classifier>
      </dependency>
    </dependencies>
  </dependencyManagement>
</project>

clean-install.log

➜  bom-use mvn clean install
[INFO] Scanning for projects...
[INFO]
[INFO] ---------------------< me.porcelli.demo:demo-app >----------------------
[INFO] Building demo-app 1.0.0-SNAPSHOT
[INFO]   from pom.xml
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- clean:3.2.0:clean (default-clean) @ demo-app ---
[INFO]
[INFO] --- install:3.1.1:install (default-install) @ demo-app ---
[INFO] Installing /Users/porcelli/Code/community/bom-demo/bom-use/pom.xml to /Users/porcelli/.m2/repository/me/porcelli/demo/demo-app/1.0.0-SNAPSHOT/demo-app-1.0.0-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.106 s
[INFO] Finished at: 2025-07-30T09:36:15-04:00
[INFO] ------------------------------------------------------------------------

dependency-tree.log

➜  bom-use mvn dependency:tree
[INFO] Scanning for projects...
[INFO]
[INFO] ---------------------< me.porcelli.demo:demo-app >----------------------
[INFO] Building demo-app 1.0.0-SNAPSHOT
[INFO]   from pom.xml
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- dependency:3.6.1:tree (default-cli) @ demo-app ---
[INFO] me.porcelli.demo:demo-app:pom:1.0.0-SNAPSHOT
[INFO] \- org.drools:drools-compiler:jar:10.1.0:compile
[INFO]    +- org.drools:drools-drl-parser:jar:10.1.0:compile
[INFO]    |  \- org.antlr:antlr4-runtime:jar:4.10.1:compile
[INFO]    +- org.drools:drools-drl-extensions:jar:10.1.0:compile
[INFO]    +- org.drools:drools-wiring-api:jar:10.1.0:compile
[INFO]    +- org.drools:drools-base:jar:10.1.0:compile
[INFO]    |  +- org.drools:drools-util:jar:10.1.0:compile
[INFO]    |  \- commons-codec:commons-codec:jar:1.18.0:compile
[INFO]    +- org.drools:drools-core:jar:10.1.0:compile
[INFO]    |  +- org.drools:drools-wiring-static:jar:10.1.0:compile
[INFO]    |  \- org.drools:drools-io:jar:10.1.0:compile
[INFO]    +- org.drools:drools-drl-ast:jar:10.1.0:compile
[INFO]    +- org.drools:drools-kiesession:jar:10.1.0:compile
[INFO]    +- org.kie:kie-memory-compiler:jar:10.1.0:compile
[INFO]    +- org.drools:drools-ecj:jar:10.1.0:compile
[INFO]    |  \- org.eclipse.jdt:ecj:jar:3.33.0:compile
[INFO]    +- org.kie:kie-api:jar:10.1.0:compile
[INFO]    +- org.kie:kie-internal:jar:10.1.0:compile
[INFO]    +- org.kie:kie-util-xml:jar:10.1.0:compile
[INFO]    +- org.kie:kie-util-maven-support:jar:10.1.0:compile
[INFO]    +- org.antlr:antlr-runtime:jar:3.5.2:compile
[INFO]    \- org.slf4j:slf4j-api:jar:2.0.6:compile
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.409 s
[INFO] Finished at: 2025-07-30T09:36:32-04:00
[INFO] ------------------------------------------------------------------------

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <groupId>me.porcelli.demo</groupId>
  <artifactId>demo-app</artifactId>
  <version>1.0.0-SNAPSHOT</version>
  <packaging>pom</packaging>
  <dependencyManagement>
      <dependencies>
          <dependency>
              <groupId>me.porcelli.test</groupId>
              <artifactId>bom-demo</artifactId>
              <version>1.0.0</version>
              <type>pom</type>
              <scope>import</scope>
          </dependency>
      </dependencies>
  </dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.drools</groupId>
      <artifactId>drools-compiler</artifactId>
    </dependency>
  </dependencies>
</project>