public void greet() throws IOException {
    GreeterOuterClass.Request request = GreeterOuterClass.Request
            .newBuilder()
            .setName("aaa")
            .build();

    try {
        GreeterOuterClass.Response response = this.blockingStub.hello(request);
        System.out.println(response.getMsg());
    } catch (StatusRuntimeException e){
        System.out.println(e.toString());
        System.out.println(e.getStatus().getCode());
        Metadata metadata = e.getTrailers();
        com.google.rpc.Status status = metadata.get(Metadata.Key.of("grpc-status-details-bin",
                ProtoLiteUtils.metadataMarshaller(com.google.rpc.Status.getDefaultInstance())));
        if(status.getDetailsCount() > 0){
            Any any = status.getDetails(0);
            GreeterOuterClass.Request req = any.unpack(GreeterOuterClass.Request.class);
            System.out.println(req.getName());
        }


    }
}
 

/**
 * Sets the global registry for proto marshalling shared across all servers and clients.
 *
 * <p>Warning:  This API will likely change over time.  It is not possible to have separate
 * registries per Process, Server, Channel, Service, or Method.  This is intentional until there
 * is a more appropriate API to set them.
 *
 * <p>Warning:  Do NOT modify the extension registry after setting it.  It is thread safe to call
 * {@link #setExtensionRegistry}, but not to modify the underlying object.
 *
 * <p>If you need custom parsing behavior for protos, you will need to make your own
 * {@code MethodDescriptor.Marshaller} for the time being.
 *
 * @since 1.16.0
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1787")
public static void setExtensionRegistry(ExtensionRegistry registry) {
  ProtoLiteUtils.setExtensionRegistry(registry);
}
 

/**
 * Create a {@link Marshaller} for protos of the same type as {@code defaultInstance}.
 *
 * @since 1.0.0
 */
public static <T extends Message> Marshaller<T> marshaller(final T defaultInstance) {
  return ProtoLiteUtils.marshaller(defaultInstance);
}
 

/**
 * Produce a metadata marshaller for a protobuf type.
 * 
 * @since 1.13.0
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/4477")
public static <T extends Message> Metadata.BinaryMarshaller<T> metadataMarshaller(T instance) {
  return ProtoLiteUtils.metadataMarshaller(instance);
}
 

/**
 * Sets the global registry for proto marshalling shared across all servers and clients.
 *
 * <p>Warning:  This API will likely change over time.  It is not possible to have separate
 * registries per Process, Server, Channel, Service, or Method.  This is intentional until there
 * is a more appropriate API to set them.
 *
 * <p>Warning:  Do NOT modify the extension registry after setting it.  It is thread safe to call
 * {@link #setExtensionRegistry}, but not to modify the underlying object.
 *
 * <p>If you need custom parsing behavior for protos, you will need to make your own
 * {@code MethodDescriptor.Marshaller} for the time being.
 *
 * @since 1.16.0
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1787")
public static void setExtensionRegistry(ExtensionRegistry registry) {
  ProtoLiteUtils.setExtensionRegistry(registry);
}
 

/**
 * Create a {@link Marshaller} for protos of the same type as {@code defaultInstance}.
 *
 * @since 1.0.0
 */
public static <T extends Message> Marshaller<T> marshaller(final T defaultInstance) {
  return ProtoLiteUtils.marshaller(defaultInstance);
}
 

/**
 * Produce a metadata marshaller for a protobuf type.
 * 
 * @since 1.13.0
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/4477")
public static <T extends Message> Metadata.BinaryMarshaller<T> metadataMarshaller(T instance) {
  return ProtoLiteUtils.metadataMarshaller(instance);
}