<executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>

				<version>0.8.13</version>
				<executions>
					<execution>
						<goals>
							<goal>prepare-agent</goal>
						</goals>
					</execution>
					<execution>
						<id>report</id>
						<phase>prepare-package</phase>
						<goals>
							<goal>report</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.rat</groupId>

 * task should not be executed again. Otherwise it returns a delay until the next execution.
 *
 * A task has at most one next execution. If the same task instance is scheduled multiple times, the
 * earliest one wins. This applies to both executions scheduled with [TaskRunner.Queue.schedule] and
 * those implied by the returned execution delay.
 *
 * Cancellation
 * ------------
 *

              </configuration>
            </execution>
            <execution>
              <id>default-testCompile</id>
              <configuration>
                <compilerArgs>
                  <compilerArg>-Xlint:-removal</compilerArg>
                </compilerArgs>
              </configuration>
            </execution>
          </executions>
        </plugin>
        <plugin>

              </configuration>
            </execution>
            <execution>
              <id>default-testCompile</id>
              <configuration>
                <compilerArgs>
                  <compilerArg>-Xlint:-removal</compilerArg>
                </compilerArgs>
              </configuration>
            </execution>
          </executions>
        </plugin>
        <plugin>

            </configuration>
          </execution>
        </executions>
      </plugin>
      <!-- TODO(cpovirk): We really should try tbroyer's plugin instead of this legacy one. -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>gwt-maven-plugin</artifactId>
        <version>${gwt.plugin.version}</version>
        <executions>
          <execution>
            <id>gwt-compile</id>

import org.apache.logging.log4j.Logger;
import org.codelibs.core.exception.InterruptedRuntimeException;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.exception.CommandExecutionException;
import org.codelibs.fess.opensearch.user.exentity.User;

/**

        // Setup mock SearchLogHelper that throws wrapped checked exception
        SearchLogHelper mockSearchLogHelper = new SearchLogHelper() {
            @Override
            public void storeSearchLog() {
                try {
                    throw new Exception("Checked exception");
                } catch (Exception e) {
                    throw new RuntimeException("Wrapped: " + e.getMessage(), e);

      /** The future that represents the next execution of this task. */
      @GuardedBy("lock")
      private @Nullable SupplantableFuture cancellationDelegate;

      ReschedulableCallable(
          AbstractService service, ScheduledExecutorService executor, Runnable runnable) {
        this.wrappedRunnable = runnable;
        this.executor = executor;
        this.service = service;
      }

   * 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
   * started execution. It is unclear from the {@code ExecutorService} specification if these should