} finally {
            if (task != null) {
                task.cancel();
            }
            if (p != null && p.isAlive()) {
                logger.warn("Process {} is still alive in finally block. Forcing destruction.", p);
                if (task == null) {
                    task = new ProcessDestroyer(p, ist, commandDestroyTimeout);
                }

  }

  /**
   * Submits a blocking task for the given {@link Future} to provide {@link ListenableFuture}
   * functionality.
   *
   * <p><b>Warning:</b> If the input future does not already implement {@code ListenableFuture}, the
   * returned future will emulate {@link ListenableFuture#addListener} by submitting a task to the
   * given executor at the first call to {@code addListener}. The task must be started by the

import org.gradle.api.Task;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
import org.gradle.api.file.ProjectLayout;
import org.gradle.api.tasks.Classpath;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.gradle.api.tasks.TaskAction;

          throw new TimeoutException("Timeout waiting for task.");
        }

        return getValue();
      }

      /**
       * Blocks until {@link #complete(Object, Throwable, int)} has been successfully called. Throws
       * a {@link CancellationException} if the task was cancelled, or a {@link ExecutionException}
       * if the task completed with an error.
       */

   * implemented as "no-effort". No interrupts or other attempts are made to stop threads executing
   * tasks. Second, the returned list will always be empty, as any submitted task is considered to
   * have started execution. This applies also to tasks given to {@code invokeAll} or {@code
   * invokeAny} which are pending serial execution, even the subset of the tasks that have not yet

            if (project.getGradle().getStartParameter().isBuildCacheEnabled()) {
                c.args("--build-cache");
            }
            c.doLast(new Action<Task>() {
                @Override
                public void execute(Task task) {
                    if (expectedOutputFile.exists() == false) {
                        throw new InvalidUserDataException(

        internalClusterTest.configure(task -> {
            // Set GC options to mirror defaults in jvm.options
            if (BuildParams.getRuntimeJavaVersion().compareTo(JavaVersion.VERSION_14) < 0) {
                task.jvmArgs("-XX:+UseConcMarkSweepGC", "-XX:CMSInitiatingOccupancyFraction=75", "-XX:+UseCMSInitiatingOccupancyOnly");
            } else {
                task.jvmArgs("-XX:+UseG1GC");
            }
        });

 */

package org.elasticsearch.gradle.internal.test;

/**
 * Any object that can produce an accompanying stop task, meant to tear down
 * a previously instantiated service.
 */
public interface Fixture {

    /** A task which will stop this fixture. This should be used as a finalizedBy for any tasks that use the fixture. */
    Object getStopTask();

    allTasks.add(setFutureCompleteExceptionallyRunnable);
    allTasks.add(setFutureCancelRunnable);
    for (int k = 0; k < 50; k++) {
      // For each listener we add a task that submits it to the executor directly for the blocking
      // get use case and another task that adds it as a listener to the future to exercise both
      // racing addListener calls and addListener calls completing after the future completes.

Directory for log files of DBFlute tasks

If your execution of DBFlute task fails,