Examples with ErrorResponseBody org.apache.flink.runtime.rest.messages.ErrorResponseBody used on opensource projects

Example 6 with ErrorResponseBody

use of org.apache.flink.runtime.rest.messages.ErrorResponseBody in project flink by apache.

the class PipelineErrorHandler method channelRead0.

@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 7 with ErrorResponseBody

use of org.apache.flink.runtime.rest.messages.ErrorResponseBody in project flink by apache.

the class PipelineErrorHandler method exceptionCaught.

@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 8 with ErrorResponseBody

use of org.apache.flink.runtime.rest.messages.ErrorResponseBody in project flink by apache.

the class HistoryServerStaticFileServerHandler method exceptionCaught.

@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 9 with ErrorResponseBody

use of org.apache.flink.runtime.rest.messages.ErrorResponseBody in project flink by apache.

the class RestClient method parseResponse.

private static <P extends ResponseBody> CompletableFuture<P> parseResponse(JsonResponse rawResponse, JavaType responseType) {
    CompletableFuture<P> responseFuture = new CompletableFuture<>();
    final JsonParser jsonParser = objectMapper.treeAsTokens(rawResponse.json);
    try {
        P response = objectMapper.readValue(jsonParser, responseType);
        responseFuture.complete(response);
    } catch (IOException originalException) {
        // lets see if it is an ErrorResponse instead
        try {
            ErrorResponseBody error = objectMapper.treeToValue(rawResponse.getJson(), ErrorResponseBody.class);
            responseFuture.completeExceptionally(new RestClientException(error.errors.toString(), rawResponse.getHttpResponseStatus()));
        } catch (JsonProcessingException jpe2) {
            // if this fails it is either the expected type or response type was wrong, most
            // likely caused
            // by a client/search MessageHeaders mismatch
            LOG.error("Received response was neither of the expected type ({}) nor an error. Response={}", responseType, rawResponse, jpe2);
            responseFuture.completeExceptionally(new RestClientException("Response was neither of the expected type(" + responseType + ") nor an error.", originalException, rawResponse.getHttpResponseStatus()));
        }
    }
    return responseFuture;
}

Example 10 with ErrorResponseBody

use of org.apache.flink.runtime.rest.messages.ErrorResponseBody in project flink by apache.

the class LeaderRetrievalHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext channelHandlerContext, RoutedRequest routedRequest) {
    HttpRequest request = routedRequest.getRequest();
    OptionalConsumer<? extends T> optLeaderConsumer = OptionalConsumer.of(leaderRetriever.getNow());
    optLeaderConsumer.ifPresent(gateway -> {
        try {
            respondAsLeader(channelHandlerContext, routedRequest, gateway);
        } catch (Exception e) {
            logger.error("Error while responding to the http request.", e);
            HandlerUtils.sendErrorResponse(channelHandlerContext, request, new ErrorResponseBody("Error while responding to the http request."), HttpResponseStatus.INTERNAL_SERVER_ERROR, responseHeaders);
        }
    }).ifNotPresent(() -> HandlerUtils.sendErrorResponse(channelHandlerContext, request, new ErrorResponseBody("Service temporarily unavailable due to an ongoing leader election. Please refresh."), HttpResponseStatus.SERVICE_UNAVAILABLE, responseHeaders));
}