opt Tasks
        operation -->> tasks: Send background tasks
    end
    opt Raise other exception
        tasks -->> dep: Raise other exception
    end
    Note over dep: After yield
    opt Handle other exception
        dep -->> dep: Handle exception, can't change response. E.g. close DB session.
    end
```

/// info | 情報

```

### 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

            @Override
            public Integer call() throws Exception {
              runLatch.countDown();
              taskLatch.await();
              if (throwException) {
                throw new IllegalStateException("Fail");
              }
              return 25;
            }
          });

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    exec = newCachedThreadPool();

 *
 */
public class ThreadUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void test_sleep() throws Exception {
        ThreadUtil.sleep(1L);
        assertTrue(true);
        ThreadUtil.sleepQuietly(1L);
    }

    /**
     * @throws Exception
     */
    @Test
    public void test_sleepQuietly() throws Exception {
        ThreadUtil.sleepQuietly(1L);
        assertTrue(true);
    }

import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.exception.FessSystemException;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.lastaflute.di.exception.IORuntimeException;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;

@Deprecated
public class MetadataResolutionResult {
    private Artifact originatingArtifact;

    private List<Artifact> missingArtifacts;

    // Exceptions

    private List<Exception> exceptions;

    private List<Exception> versionRangeViolations;

    private List<ArtifactResolutionException> metadataResolutionExceptions;

    private List<CyclicDependencyException> circularDependencyExceptions;

        }

        testHandle = new HandleInfo("/test/file.txt", guid, fileId, HandleType.DURABLE_V2, 120000, null);
    }

    @Test
    public void testReconnectHandleSuccess() throws Exception {
        when(mockManager.getHandleForReconnect("/test/file.txt")).thenReturn(testHandle);

        // Create a test reconnector that succeeds

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when an unsupported search operation is requested.
 * This exception indicates that the requested search functionality is not available or supported.
 */
public class UnsupportedSearchException extends FessSystemException {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.exception;

/**
 * Exception that wraps {@link IndexOutOfBoundsException}.
 *
 * @author wyukawa
 */
public class ClIndexOutOfBoundsException extends IndexOutOfBoundsException {

import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class BinaryTransformerTest extends PlainTestCase {
    public BinaryTransformer binaryTransformer;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        binaryTransformer = new BinaryTransformer();