TestCloseable c1 = closer.register(TestCloseable.normal());
    TestCloseable c2 = closer.register(TestCloseable.normal());

    IOException exception = new IOException();

    try {
      try {
        throw exception;
      } catch (Throwable e) {
        throw closer.rethrow(e);
      } finally {
        closer.close();
      }
    } catch (Throwable expected) {

        PluginDescriptor pluginDescriptor = null;

        File pluginFile = pluginArtifact.getFile();

        try {
            if (pluginFile.isFile()) {
                try (JarFile pluginJar = new JarFile(pluginFile, false)) {
                    ZipEntry pluginDescriptorEntry = pluginJar.getEntry(getPluginDescriptorLocation());

async def dependency_a():
    dep_a = generate_dep_a()
    try:
        yield dep_a
    finally:
        dep_a.close()


async def dependency_b(dep_a=Depends(dependency_a)):
    dep_b = generate_dep_b()
    try:
        yield dep_b
    finally:
        dep_b.close(dep_a)


async def dependency_c(dep_b=Depends(dependency_b)):
    dep_c = generate_dep_c()
    try:
        yield dep_c
    finally:

            } finally {
                // Clean up - delete all files in the directory first
                try {
                    Files.walk(tempDir)
                            .sorted(java.util.Comparator.reverseOrder())
                            .forEach(path -> {
                                try {
                                    Files.deleteIfExists(path);
                                } catch (Exception e) {

            throws ComponentConfigurationException {

        Class<?> beanType = bean.getClass();

        // Try setter/adder methods first
        MethodInfo methodInfo = findCachedMethod(beanType, propertyName, valueType);
        if (methodInfo != null) {
            try {
                Object value = convertPropertyForMethod(beanType, methodInfo, valueType, configuration);
                if (value != null) {

    await websocket.close()  # pragma: no cover


client = TestClient(app)


def test_request_validation_error_includes_endpoint_context():
    captured_exception.exception = None
    try:
        client.get("/users/invalid")
    except Exception:
        pass

    assert captured_exception.exception is not None
    error_str = str(captured_exception.exception)
    assert "get_user" in error_str

        // the basics
        try {
            context.cwd = getCwd(context);
        } catch (Exception e) {
            context.parsingFailed = true;
            context.cwd = getCanonicalPath(Paths.get("."));
            parserRequest.logger().error("Error determining working directory", e);
        }
        try {
            context.installationDirectory = getInstallationDirectory(context);

In your WebSocket route you can `await` for messages and send messages.

{* ../../docs_src/websockets/tutorial001_py39.py hl[48:52] *}

You can receive and send binary, text, and JSON data.

## Try it { #try-it }

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py

                    if (isQualifiedForInterpolation(field, type)) {
                        boolean isAccessible = field.isAccessible();
                        field.setAccessible(true);
                        try {
                            try {
                                if (String.class == type) {
                                    String value = (String) field.get(target);
                                    if (value != null) {

    assertThat(e).hasCauseThat().isInstanceOf(InterruptedException.class);
  }

  public void testAwait_countDownLatch_interrupted() {
    Interruptenator interruptenator = new Interruptenator(Thread.currentThread());
    try {
      CountDownLatch latch = new CountDownLatch(1);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.await(latch));
      assertWrapsInterruptedException(expected);