SimpleProblemCollector result = validateRaw("duplicate-plugin-execution.xml");

        assertViolations(result, 0, 4, 0);

        assertContains(result.getErrors().get(0), "duplicate execution with id a");
        assertContains(result.getErrors().get(1), "duplicate execution with id default");
        assertContains(result.getErrors().get(2), "duplicate execution with id c");

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.execution;

import org.apache.maven.artifact.versioning.ArtifactVersion;

/**
 * Describes runtime information about the application.
 *
 * @deprecated Use {@link org.apache.maven.rtinfo.RuntimeInformation} instead.
 */

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.execution;

/**
 */
public class MavenExecutionRequestPopulationException extends Exception {
    public MavenExecutionRequestPopulationException(String message) {
        super(message);
    }

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class to verify proper resource management in Extractor implementations.
 * This test ensures that resources are properly closed even when exceptions occur.
 */
public class ExtractorResourceManagementTest extends PlainTestCase {
    private static final Logger logger = LogManager.getLogger(ExtractorResourceManagementTest.class);

### Exception Handling
```java
import org.codelibs.core.exception.*;

// Runtime exception wrappers eliminate try-catch boilerplate
try {
    // Code that might throw checked exceptions
    return ClassUtil.newInstance(className); // Wraps checked exceptions automatically
} catch (ClassNotFoundRuntimeException e) {
    // Handle the wrapped exception
    logger.error("Class not found: " + className, e);
}
```

    PLATFORM {
      @GwtIncompatible
      @J2ktIncompatible
      @Override
      // returns the types available in "normal" environments
      ImmutableMap<Class<? extends Throwable>, Predicate<Throwable>> exceptions() {
        return ImmutableMap.of(
            InvocationTargetException.class,
            e -> e instanceof InvocationTargetException,
            StackOverflowError.class,

 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.util.concurrent.ExecutorService
import java.util.concurrent.Executors
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test

import org.apache.maven.api.services.VersionRangeResolver;
import org.apache.maven.cling.invoker.ProtoLookup;
import org.apache.maven.execution.DefaultMavenExecutionResult;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.extension.internal.CoreExports;
import org.apache.maven.extension.internal.CoreExtensionEntry;

 * <ol>
 *   <li>Initialization: Sets up the crawler context and initializes the URL filter.</li>
 *   <li>Thread Creation: Creates a group of crawler threads to perform the actual crawling.</li>
 *   <li>Execution: Starts the crawler threads and waits for them to complete.</li>
 *   <li>Cleanup: Deletes the crawled data and clears the URL filter.</li>
 * </ol>
 *