this.artifactId = (artifactId != null) ? artifactId : "";
        this.version = (version != null) ? version : "";
    }

    /**
     * Creates a new exception with specified detail message.
     *
     * @param message The detail message, may be {@code null}.
     * @param groupId The group id of the unresolvable model, may be {@code null}.

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>1.0</version>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-it-plugin</artifactId>
        <version>1.0</version>
        <dependencies>
          <dependency>
            <groupId>test</groupId>
            <artifactId>a</artifactId>
            <!-- version missing -->

    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-beta-6-SNAPSHOT</version>

    <relativePath>../../</relativePath>
  </parent>

  <artifactId>maven-artifact</artifactId>

  <name>Maven Artifact</name>

  <dependencies>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <scope>test</scope>
    </dependency>

    <modelVersion>4.1.0</modelVersion>

    <groupId>test</groupId>
    <artifactId>test</artifactId>
    <version>0.1-SNAPSHOT</version>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>test</groupId>
                <artifactId>import</artifactId>
                <version>0.1-SNAPSHOT</version>
                <type>pom</type>

specific language governing permissions and limitations
under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>

  <dependencies>
    <dependency>
      <groupId>test</groupId>
      <artifactId>a</artifactId>
      <version>0.2</version>
      <scope>system</scope>
      <systemPath>${basedir}/lib/a.jar</systemPath>
    </dependency>

    </dependency>

    <dependency>
      <groupId>commons-cli</groupId>
      <artifactId>commons-cli</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.wagon</groupId>
      <artifactId>wagon-http</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.wagon</groupId>
      <artifactId>wagon-file</artifactId>
    </dependency>

      <plugin>
        <groupId>org.mvnsearch</groupId>
        <artifactId>toolchains-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-toolchains-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
        <executions>
          <execution>

      <plugin>
        <groupId>org.mvnsearch</groupId>
        <artifactId>toolchains-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-toolchains-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
        <executions>
          <execution>

  <modelVersion>4.0.0</modelVersion>

  <groupId>inheritance</groupId>
  <artifactId>child</artifactId>
  <version>12-SNAPSHOT</version>

  <!-- name is not inherited, but description is -->
  <description>Model inheritance description</description>
  <url>http://www.apache.org/child/</url><!-- child's artifactId appended to parent url -->

  <mailingLists>
    <mailingList>
      <name>parent</name>

        this.artifactId = artifactId;
        this.version = version;
        this.type = type;
        this.baseMessage = message;
    }

    public InvalidArtifactRTException(
            String groupId, String artifactId, String version, String type, String message, Throwable cause) {
        super(cause);

        this.groupId = groupId;
        this.artifactId = artifactId;
        this.version = version;