*
 * @since 3.5
 */
@Contextual
public class WorkerExecutionException extends DefaultMultiCauseException {
    public WorkerExecutionException(String message) {
        super(message);
    }

    public WorkerExecutionException(String message, Throwable... causes) {
        super(message, causes);
    }

    public WorkerExecutionException(String message, Iterable<? extends Throwable> causes) {

        } catch (DefaultMultiCauseException e) {
            throw workerExecutionException(e.getCauses());
        }
    }

    private WorkerExecutionException workerExecutionException(List<? extends Throwable> failures) {
        if (failures.size() == 1) {
            throw new WorkerExecutionException("There was a failure while executing work items", failures);
        } else {

     * tasks from the same project cannot be run in parallel while the task action is still executing.
     *
     * @throws WorkerExecutionException when a failure occurs while executing the work.
     */
    void await() throws WorkerExecutionException;

import org.gradle.util.UsesNativeServices
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkQueue
import org.gradle.workers.WorkerExecutionException
import spock.lang.TempDir

import static org.gradle.internal.work.AsyncWorkTracker.ProjectLockRetention.RETAIN_PROJECT_LOCKS

@UsesNativeServices
class DefaultWorkerExecutorParallelTest extends ConcurrentSpec {

     * tasks from the same project cannot be run in parallel while the task action is still executing.
     *
     * @throws WorkerExecutionException when a failure occurs while executing the work.
     */
    void await() throws WorkerExecutionException;

Class <org.gradle.workers.WorkerExecutionException> extends/implements org.gradle.internal.exceptions.DefaultMultiCauseException that is Gradle Internal API in (WorkerExecutionException.java:0)...

        failingWorkAction.writeToBuildFile()

        given:
        buildFile << """
            import java.util.concurrent.ExecutionException
            import org.gradle.workers.WorkerExecutionException

            task parallelWorkTask(type: MultipleWorkItemTask) {
                isolationMode = $isolationMode
                doLast {
                    submitWorkItem("workItem1", workActionClass)