Java Code Examples for org.apache.flink.runtime.rest.handler.util.HandlerUtils#sendErrorResponse()

The following examples show how to use org.apache.flink.runtime.rest.handler.util.HandlerUtils#sendErrorResponse() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AbstractJobManagerFileHandler.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected CompletableFuture<Void> respondToRequest(ChannelHandlerContext ctx, HttpRequest httpRequest, HandlerRequest<EmptyRequestBody, M> handlerRequest, RestfulGateway gateway) {
	File file = getFile(handlerRequest);
	if (file != null && file.exists()) {
		try {
			HandlerUtils.transferFile(
				ctx,
				file,
				httpRequest);
		} catch (FlinkException e) {
			throw new CompletionException(new FlinkException("Could not transfer file to client.", e));
		}
		return CompletableFuture.completedFuture(null);
	} else {
		return HandlerUtils.sendErrorResponse(
			ctx,
			httpRequest,
			new ErrorResponseBody("This file does not exist in JobManager log dir."),
			HttpResponseStatus.NOT_FOUND,
			Collections.emptyMap());
	}
}
Example 2
Source File: AbstractHandler.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
private CompletableFuture<Void> handleException(Throwable throwable, ChannelHandlerContext ctx, HttpRequest httpRequest) {
	if (throwable instanceof RestHandlerException) {
		RestHandlerException rhe = (RestHandlerException) throwable;
		if (log.isDebugEnabled()) {
			log.error("Exception occurred in REST handler.", rhe);
		} else {
			log.error("Exception occurred in REST handler: {}", rhe.getMessage());
		}
		return HandlerUtils.sendErrorResponse(
			ctx,
			httpRequest,
			new ErrorResponseBody(rhe.getMessage()),
			rhe.getHttpResponseStatus(),
			responseHeaders);
	} else {
		log.error("Unhandled exception.", throwable);
		String stackTrace = String.format("<Exception on server side:%n%s%nEnd of exception on server side>",
			ExceptionUtils.stringifyException(throwable));
		return HandlerUtils.sendErrorResponse(
			ctx,
			httpRequest,
			new ErrorResponseBody(Arrays.asList("Internal server error.", stackTrace)),
			HttpResponseStatus.INTERNAL_SERVER_ERROR,
			responseHeaders);
	}
}
Example 3
Source File: FlinkHttpObjectAggregator.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
protected void decode(
		final ChannelHandlerContext ctx,
		final HttpObject msg,
		final List<Object> out) throws Exception {

	try {
		super.decode(ctx, msg, out);
	} catch (final TooLongFrameException e) {
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody(String.format(
				e.getMessage() + " Try to raise [%s]",
				RestOptions.SERVER_MAX_CONTENT_LENGTH.key())),
			HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE,
			responseHeaders);
	}
}
Example 4
Source File: FlinkHttpObjectAggregator.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected void decode(
		final ChannelHandlerContext ctx,
		final HttpObject msg,
		final List<Object> out) throws Exception {

	try {
		super.decode(ctx, msg, out);
	} catch (final TooLongFrameException e) {
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody(String.format(
				e.getMessage() + " Try to raise [%s]",
				RestOptions.SERVER_MAX_CONTENT_LENGTH.key())),
			HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE,
			responseHeaders);
	}
}
Example 5
Source File: FlinkHttpObjectAggregator.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected void decode(
		final ChannelHandlerContext ctx,
		final HttpObject msg,
		final List<Object> out) throws Exception {

	try {
		super.decode(ctx, msg, out);
	} catch (final TooLongFrameException e) {
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody(String.format(
				e.getMessage() + " Try to raise [%s]",
				RestOptions.SERVER_MAX_CONTENT_LENGTH.key())),
			HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE,
			responseHeaders);
	}
}
Example 6
Source File: StaticFileServerHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	if (ctx.channel().isActive()) {
		logger.error("Caught exception", cause);
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody("Internal server error."),
			INTERNAL_SERVER_ERROR,
			Collections.emptyMap());
	}
}
Example 7
Source File: StaticFileServerHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	if (ctx.channel().isActive()) {
		logger.error("Caught exception", cause);
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody("Internal server error."),
			INTERNAL_SERVER_ERROR,
			Collections.emptyMap());
	}
}
Example 8
Source File: FileUploadHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleError(ChannelHandlerContext ctx, String errorMessage, HttpResponseStatus responseStatus, @Nullable Throwable e) {
	HttpRequest tmpRequest = currentHttpRequest;
	deleteUploadedFiles();
	reset();
	LOG.warn(errorMessage, e);
	HandlerUtils.sendErrorResponse(
		ctx,
		tmpRequest,
		new ErrorResponseBody(errorMessage),
		responseStatus,
		Collections.emptyMap()
	);
	ReferenceCountUtil.release(tmpRequest);
}
Example 9
Source File: HistoryServerStaticFileServerHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	if (ctx.channel().isActive()) {
		LOG.error("Caught exception", cause);
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody("Internal server error."),
			INTERNAL_SERVER_ERROR,
			Collections.emptyMap());
	}
}
Example 10
Source File: HistoryServerStaticFileServerHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void channelRead0(ChannelHandlerContext ctx, RoutedRequest routedRequest) throws Exception {
	String requestPath = routedRequest.getPath();

	try {
		respondWithFile(ctx, routedRequest.getRequest(), requestPath);
	} catch (RestHandlerException rhe) {
		HandlerUtils.sendErrorResponse(
			ctx,
			routedRequest.getRequest(),
			new ErrorResponseBody(rhe.getMessage()),
			rhe.getHttpResponseStatus(),
			Collections.emptyMap());
	}
}
Example 11
Source File: RouterHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void respondNotFound(ChannelHandlerContext channelHandlerContext, HttpRequest request) {
	LOG.trace("Request could not be routed to any handler. Uri:{} Method:{}", request.getUri(), request.getMethod());
	HandlerUtils.sendErrorResponse(
		channelHandlerContext,
		request,
		new ErrorResponseBody("Not found."),
		HttpResponseStatus.NOT_FOUND,
		responseHeaders);
}
Example 12
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	logger.warn("Unhandled exception", cause);
	HandlerUtils.sendErrorResponse(
		ctx,
		false,
		new ErrorResponseBody("Internal server error: " + cause.getMessage()),
		HttpResponseStatus.INTERNAL_SERVER_ERROR,
		responseHeaders);
}
Example 13
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpRequest message) {
	// we can't deal with this message. No one in the pipeline handled it. Log it.
	logger.warn("Unknown message received: {}", message);
	HandlerUtils.sendErrorResponse(
		ctx,
		message,
		new ErrorResponseBody("Bad request received."),
		HttpResponseStatus.BAD_REQUEST,
		Collections.emptyMap());
}
Example 14
Source File: HistoryServerStaticFileServerHandler.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	if (ctx.channel().isActive()) {
		LOG.error("Caught exception", cause);
		HandlerUtils.sendErrorResponse(
			ctx,
			false,
			new ErrorResponseBody("Internal server error."),
			INTERNAL_SERVER_ERROR,
			Collections.emptyMap());
	}
}
Example 15
Source File: FileUploadHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleError(ChannelHandlerContext ctx, String errorMessage, HttpResponseStatus responseStatus, @Nullable Throwable e) {
	HttpRequest tmpRequest = currentHttpRequest;
	deleteUploadedFiles();
	reset();
	LOG.warn(errorMessage, e);
	HandlerUtils.sendErrorResponse(
		ctx,
		tmpRequest,
		new ErrorResponseBody(errorMessage),
		responseStatus,
		Collections.emptyMap()
	);
	ReferenceCountUtil.release(tmpRequest);
}
Example 16
Source File: RouterHandler.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
private void respondNotFound(ChannelHandlerContext channelHandlerContext, HttpRequest request) {
	LOG.trace("Request could not be routed to any handler. Uri:{} Method:{}", request.getUri(), request.getMethod());
	HandlerUtils.sendErrorResponse(
		channelHandlerContext,
		request,
		new ErrorResponseBody("Not found."),
		HttpResponseStatus.NOT_FOUND,
		responseHeaders);
}
Example 17
Source File: PipelineErrorHandler.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	logger.warn("Unhandled exception", cause);
	HandlerUtils.sendErrorResponse(
		ctx,
		false,
		new ErrorResponseBody("Internal server error: " + cause.getMessage()),
		HttpResponseStatus.INTERNAL_SERVER_ERROR,
		responseHeaders);
}
Example 18
Source File: PipelineErrorHandler.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpRequest message) {
	// we can't deal with this message. No one in the pipeline handled it. Log it.
	logger.warn("Unknown message received: {}", message);
	HandlerUtils.sendErrorResponse(
		ctx,
		message,
		new ErrorResponseBody("Bad request received."),
		HttpResponseStatus.BAD_REQUEST,
		Collections.emptyMap());
}
Example 19
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpRequest message) {
	// we can't deal with this message. No one in the pipeline handled it. Log it.
	logger.warn("Unknown message received: {}", message);
	HandlerUtils.sendErrorResponse(
		ctx,
		message,
		new ErrorResponseBody("Bad request received."),
		HttpResponseStatus.BAD_REQUEST,
		Collections.emptyMap());
}
Example 20
Source File: PipelineErrorHandler.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	logger.warn("Unhandled exception", cause);
	HandlerUtils.sendErrorResponse(
		ctx,
		false,
		new ErrorResponseBody("Internal server error: " + cause.getMessage()),
		HttpResponseStatus.INTERNAL_SERVER_ERROR,
		responseHeaders);
}