*   <li><b>Model Version Handling</b>: When {@code preserve.model.version=true} is set, the consumer POM
 *       maintains the original model version (4.2.0) instead of downgrading to 4.0.0 for Maven 3 compatibility.
 *       This allows modern features like mixins to be preserved in the consumer POM.</li>
 * </ul>
 * <p>
 * <b>Mixin Handling</b>: Mixins are only supported in model version 4.2.0 or later. If a POM contains mixins:

 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *

META-INF/MANIFEST.MF Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.4.2_16 org/apache/maven/its/mng3906/SomeClass.class package org.apache.maven.its.mng3906; public synchronized class SomeClass { public void SomeClass(); } pom.xml 4.0.0 org.apache.maven.its.mng3906 a 0.2 jar maven-core-it file:///${basedir}/repo true true . pom.xml src/** src/main/resources src/main/java/org/apache/maven/its/mng3906/SomeClass.java src/main/java/org...

META-INF/MANIFEST.MF Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.4.2_16 org/apache/maven/its/mng3906/SomeClass.class package org.apache.maven.its.mng3906; public synchronized class SomeClass { public void SomeClass(); } pom.xml 4.0.0 org.apache.maven.its.mng3906 c 0.1 jar maven-core-it file:///${basedir}/repo true true . pom.xml src/** src/main/resources src/main/java/org/apache/maven/its/mng3906/SomeClass.java src/main/java/org...

	if GlobalKMS == nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrKMSNotConfigured), r.URL)
		return
	}

	version, err := GlobalKMS.Version(ctx)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}
	res := &versionResponse{Version: version}
	v, err := json.Marshal(res)
	if err != nil {

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

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>gid</groupId>
  <artifactId>aid</artifactId>
  <version>1.0</version>

  <repositories>
    <repository>
      <id>this/is\bad</id>
      <url>http://localhost</url>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>

  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example.group</groupId>
  <artifactId>testinvalidpom</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId></groupId>
          <artifactId>this-is-the-artifact</artifactId>
        </plugin>
      </plugins>

                plugin.setArtifactId(gs.artifactId);
                plugin.setVersion(gs.version);

                plugin.setLocation("", location);
                plugin.setLocation("groupId", location);
                plugin.setLocation("artifactId", location);
                plugin.setLocation("version", location);

                Plugin existing = plugins.get(plugin);
                if (existing != null) {

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

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>gid</groupId>
  <artifactId>aid</artifactId>
  <version>99.44</version>

  <repositories>
    <repository>
      <id>local</id>
      <url>http://localhost</url>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>
      <id>local</id>

 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *