* @throws Exception
     */
    public void testGetActualKeyClassOfMap() throws Exception {
        final Map<TypeVariable<?>, Type> map = GenericsUtil.getTypeVariableMap(Hoge.class);
        final Method method = Hoge.class.getMethod("map");
        assertThat(GenericsUtil.getActualKeyClassOfMap(method.getGenericReturnType(), map), is(sameClass(String.class)));
    }

    /**
     * @throws Exception
     */

        void onRequest(FaultTolerantClient client, RequestData request, int count);

        void onRequestEnd(FaultTolerantClient client, RequestData request, List<Exception> exceptionList);

        void onException(FaultTolerantClient client, RequestData request, int count, Exception e);

    }

    SomeChainingException exception = new SomeChainingException(new SomeChainingException(cause));
    assertSame(cause, getRootCause(exception));
  }

  public void testGetRootCause_loop() {
    Exception cause = new Exception();
    Exception exception = new Exception(cause);
    cause.initCause(exception);
    IllegalArgumentException expected =

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.ChildUrlsException;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.codelibs.fess.crawler.helper.ContentLengthHelper;

import org.apache.maven.cli.transfer.Slf4jMavenTransferListener;
import org.apache.maven.eventspy.internal.EventSpyDispatcher;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.ProfileActivation;
import org.apache.maven.execution.ProjectActivation;
import org.apache.maven.jline.MessageUtils;
import org.apache.maven.model.root.DefaultRootLocator;
import org.apache.maven.project.MavenProject;

    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception.
    setupCloseable(true);
    doClose(mockCloseable, true);
  }

  public void testClose_closeableWithThrownException() throws IOException {
    // make sure that the exception is thrown if 'swallowException' is false
    // when the mock does throw an exception.
    setupCloseable(true);

```

## Install custom exception handlers

You can add custom exception handlers with <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">the same exception utilities from Starlette</a>.

Let's say you have a custom exception `UnicornException` that you (or a library you use) might `raise`.

And you want to handle this exception globally with FastAPI.

    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetBundle() throws Exception {
        final ResourceBundle bundle = ResourceBundleUtil.getBundle("CLMessages", null, this.getClass().getClassLoader());
        assertThat(bundle, is(notNullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetString() throws Exception {

    Exception exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,
            () -> timeLimiter.callWithTimeout(callableThrowing(exception), DELAY_MS, MILLISECONDS));
    assertThat(e.getCause()).isEqualTo(exception);
  }

  public void testCallUninterruptiblyWithTimeout_propagatesReturnValue() throws Exception {
    String result =

 * under the License.
 */
package org.apache.maven.reporting;

/**
 * An exception occurring during the execution of a Maven report.
 *
 */
@Deprecated
public class MavenReportException extends Exception {
    public MavenReportException(String msg) {
        super(msg);
    }

    public MavenReportException(String msg, Exception e) {
        super(msg, e);
    }