</plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-plugin-plugin</artifactId>
          <version>0.1</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>0.1</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>

			packages (tar.gz, deb, rpm) using Maven resources plugin -->
		<filters>
			<filter>src/packaging/common/packaging.properties</filter>
		</filters>

		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-source-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-war-plugin</artifactId>
				<configuration>
					<webResources>

        // var plugin = getBuild().getDelegate().getPluginsAsMap().get(pluginKey);
        // return plugin != null ? new Plugin(plugin) : null;
        // This would create a disconnected Plugin that doesn't persist changes.

        // The new fixed implementation does:
        // Find the plugin in the connected plugins list

        "compile", "org.apache.maven.plugins:maven-compiler-plugin:" + COMPILER_PLUGIN_VERSION + ":compile",
        "process-test-resources",
                "org.apache.maven.plugins:maven-resources-plugin:" + RESOURCES_PLUGIN_VERSION + ":testResources",
        "test-compile", "org.apache.maven.plugins:maven-compiler-plugin:" + COMPILER_PLUGIN_VERSION + ":testCompile",

    <system>GitHub Issues</system>
    <url>https://github.com/google/guava/issues</url>
  </issueManagement>

  <properties>
    <central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>
    <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
  </properties>

  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>com.google.guava</groupId>

        this.plugin = plugin;
    }

    public PluginNotFoundException(Plugin plugin, List<ArtifactRepository> remoteRepositories) {
        super(
                "Plugin could not be found, please check its coordinates for typos and ensure the required"
                        + " plugin repositories are defined in the POM",
                plugin.getGroupId(),
                plugin.getArtifactId(),

        validPluginCounts.put("maven-deploy-plugin", 0);
        validPluginCounts.put("maven-javadoc-plugin", 0);
        validPluginCounts.put("maven-source-plugin", 0);

        Plugin testPlugin = null;

        for (Plugin plugin : plugins) {
            String pluginArtifactId = plugin.getArtifactId();

            assertTrue(validPluginCounts.containsKey(pluginArtifactId), "Illegal plugin found: " + pluginArtifactId);

import org.apache.maven.internal.impl.DefaultMojoExecution;
import org.apache.maven.internal.impl.InternalMavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.classworlds.realm.ClassRealm;

 * under the License.
 */
package org.apache.maven.plugin;

import java.util.List;
import java.util.stream.Collectors;

import org.apache.maven.model.Plugin;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class PluginResolutionException extends Exception {

    private final Plugin plugin;

    public PluginResolutionException(Plugin plugin, Throwable cause) {
        super(

        assertEquals(
                "'build.pluginManagement.plugins.plugin.(groupId:artifactId)' groupId of a plugin must be defined. ",
                result.getFatals().get(0));

        assertEquals(
                "'build.pluginManagement.plugins.plugin.(groupId:artifactId)' artifactId of a plugin must be defined. ",
                result.getFatals().get(1));
    }

    @Test