Examples with TimeoutException java.util.concurrent.TimeoutException used on opensource projects

Example 1 with TimeoutException

use of java.util.concurrent.TimeoutException in project camel by apache.

the class EtcdKeysProducer method processGet.

private void processGet(EtcdClient client, String path, Exchange exchange) throws Exception {
    EtcdKeyGetRequest request = client.get(path);
    setRequestTimeout(request, exchange);
    setRequestRecursive(request, exchange);
    try {
        exchange.getIn().setHeader(EtcdConstants.ETCD_NAMESPACE, getNamespace());
        exchange.getIn().setBody(request.send().get());
    } catch (TimeoutException e) {
        throw new ExchangeTimedOutException(exchange, configuration.getTimeout());
    }
}

Example 2 with TimeoutException

use of java.util.concurrent.TimeoutException in project camel by apache.

the class EtcdKeysProducer method processDel.

private void processDel(EtcdClient client, String path, boolean dir, Exchange exchange) throws Exception {
    EtcdKeyDeleteRequest request = client.delete(path);
    setRequestTimeout(request, exchange);
    setRequestRecursive(request, exchange);
    if (dir) {
        request.dir();
    }
    try {
        exchange.getIn().setHeader(EtcdConstants.ETCD_NAMESPACE, getNamespace());
        exchange.getIn().setBody(request.send().get());
    } catch (TimeoutException e) {
        throw new ExchangeTimedOutException(exchange, configuration.getTimeout());
    }
}

Example 3 with TimeoutException

use of java.util.concurrent.TimeoutException in project camel by apache.

the class EtcdWatchConsumer method onResponse.

@Override
public void onResponse(ResponsePromise<EtcdKeysResponse> promise) {
    if (!isRunAllowed()) {
        return;
    }
    Exchange exchange = null;
    Throwable throwable = promise.getException();
    if (throwable != null && throwable instanceof EtcdException) {
        EtcdException exception = (EtcdException) throwable;
        // So we set the index to the one returned by the exception + 1
        if (EtcdHelper.isOutdatedIndexException(exception)) {
            LOGGER.debug("Outdated index, key: {}, cause={}", getPath(), exception.etcdCause);
            // We set the index to the one returned by the exception + 1.
            index.set(exception.index + 1);
            // Clean-up the exception so it is not rethrown/handled
            throwable = null;
        }
    } else {
        try {
            EtcdKeysResponse response = promise.get();
            exchange = endpoint.createExchange();
            exchange.getIn().setHeader(EtcdConstants.ETCD_NAMESPACE, getNamespace());
            exchange.getIn().setHeader(EtcdConstants.ETCD_PATH, response.node.key);
            exchange.getIn().setBody(response);
            // Watch from the modifiedIndex + 1 of the node we got for ensuring
            // no events are missed between watch commands
            index.set(response.node.modifiedIndex + 1);
        } catch (TimeoutException e) {
            LOGGER.debug("Timeout watching for {}", getPath());
            if (configuration.isSendEmptyExchangeOnTimeout()) {
                exchange = endpoint.createExchange();
                exchange.getIn().setHeader(EtcdConstants.ETCD_NAMESPACE, getNamespace());
                exchange.getIn().setHeader(EtcdConstants.ETCD_TIMEOUT, true);
                exchange.getIn().setHeader(EtcdConstants.ETCD_PATH, getPath());
                exchange.getIn().setBody(null);
            }
            throwable = null;
        } catch (Exception e1) {
            throwable = e1;
        }
        if (exchange != null) {
            try {
                throwable = null;
                getProcessor().process(exchange);
            } catch (Exception e) {
                getExceptionHandler().handleException("Error processing exchange", exchange, e);
            }
        }
    }
    if (throwable != null) {
        handleException("Error processing etcd response", throwable);
    }
    try {
        watch();
    } catch (Exception e) {
        handleException("Error watching key " + getPath(), e);
    }
}

Example 4 with TimeoutException

use of java.util.concurrent.TimeoutException in project camel by apache.

the class CamelContinuationServlet method doService.

@Override
protected void doService(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
    log.trace("Service: {}", request);
    // is there a consumer registered for the request.
    HttpConsumer consumer = getServletResolveConsumerStrategy().resolve(request, getConsumers());
    if (consumer == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    // figure out if continuation is enabled and what timeout to use
    boolean useContinuation = false;
    Long continuationTimeout = null;
    HttpCommonEndpoint endpoint = consumer.getEndpoint();
    if (endpoint instanceof JettyHttpEndpoint) {
        JettyHttpEndpoint jettyEndpoint = (JettyHttpEndpoint) endpoint;
        Boolean epUseContinuation = jettyEndpoint.getUseContinuation();
        Long epContinuationTimeout = jettyEndpoint.getContinuationTimeout();
        if (epUseContinuation != null) {
            useContinuation = epUseContinuation;
        } else {
            useContinuation = jettyEndpoint.getComponent().isUseContinuation();
        }
        if (epContinuationTimeout != null) {
            continuationTimeout = epContinuationTimeout;
        } else {
            continuationTimeout = jettyEndpoint.getComponent().getContinuationTimeout();
        }
    }
    if (useContinuation) {
        log.trace("Start request with continuation timeout of {}", continuationTimeout != null ? continuationTimeout : "jetty default");
    } else {
        log.trace("Usage of continuation is disabled, either by component or endpoint configuration, fallback to normal servlet processing instead");
        super.doService(request, response);
        return;
    }
    if (consumer.getEndpoint().getHttpMethodRestrict() != null) {
        Iterator<?> it = ObjectHelper.createIterable(consumer.getEndpoint().getHttpMethodRestrict()).iterator();
        boolean match = false;
        while (it.hasNext()) {
            String method = it.next().toString();
            if (method.equalsIgnoreCase(request.getMethod())) {
                match = true;
                break;
            }
        }
        if (!match) {
            response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }
    }
    if ("TRACE".equals(request.getMethod()) && !consumer.isTraceEnabled()) {
        response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
        return;
    }
    // we do not support java serialized objects unless explicit enabled
    String contentType = request.getContentType();
    if (HttpConstants.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT.equals(contentType) && !consumer.getEndpoint().getComponent().isAllowJavaSerializedObject()) {
        response.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
        return;
    }
    final Exchange result = (Exchange) request.getAttribute(EXCHANGE_ATTRIBUTE_NAME);
    if (result == null) {
        // no asynchronous result so leverage continuation
        final Continuation continuation = ContinuationSupport.getContinuation(request);
        if (continuation.isInitial() && continuationTimeout != null) {
            // set timeout on initial
            continuation.setTimeout(continuationTimeout);
        }
        // are we suspended and a request is dispatched initially?
        if (consumer.isSuspended() && continuation.isInitial()) {
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
            return;
        }
        if (continuation.isExpired()) {
            String id = (String) continuation.getAttribute(EXCHANGE_ATTRIBUTE_ID);
            // remember this id as expired
            expiredExchanges.put(id, id);
            log.warn("Continuation expired of exchangeId: {}", id);
            consumer.getBinding().doWriteExceptionResponse(new TimeoutException(), response);
            return;
        }
        // a new request so create an exchange
        final Exchange exchange = new DefaultExchange(consumer.getEndpoint(), ExchangePattern.InOut);
        if (consumer.getEndpoint().isBridgeEndpoint()) {
            exchange.setProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.TRUE);
            exchange.setProperty(Exchange.SKIP_WWW_FORM_URLENCODED, Boolean.TRUE);
        }
        if (consumer.getEndpoint().isDisableStreamCache()) {
            exchange.setProperty(Exchange.DISABLE_HTTP_STREAM_CACHE, Boolean.TRUE);
        }
        HttpHelper.setCharsetFromContentType(request.getContentType(), exchange);
        exchange.setIn(new HttpMessage(exchange, request, response));
        // set context path as header
        String contextPath = consumer.getEndpoint().getPath();
        exchange.getIn().setHeader("CamelServletContextPath", contextPath);
        updateHttpPath(exchange, contextPath);
        if (log.isTraceEnabled()) {
            log.trace("Suspending continuation of exchangeId: {}", exchange.getExchangeId());
        }
        continuation.setAttribute(EXCHANGE_ATTRIBUTE_ID, exchange.getExchangeId());
        // we want to handle the UoW
        try {
            consumer.createUoW(exchange);
        } catch (Exception e) {
            log.error("Error processing request", e);
            throw new ServletException(e);
        }
        // must suspend before we process the exchange
        continuation.suspend();
        ClassLoader oldTccl = overrideTccl(exchange);
        if (log.isTraceEnabled()) {
            log.trace("Processing request for exchangeId: {}", exchange.getExchangeId());
        }
        // use the asynchronous API to process the exchange
        consumer.getAsyncProcessor().process(exchange, new AsyncCallback() {

            public void done(boolean doneSync) {
                // check if the exchange id is already expired
                boolean expired = expiredExchanges.remove(exchange.getExchangeId()) != null;
                if (!expired) {
                    if (log.isTraceEnabled()) {
                        log.trace("Resuming continuation of exchangeId: {}", exchange.getExchangeId());
                    }
                    // resume processing after both, sync and async callbacks
                    continuation.setAttribute(EXCHANGE_ATTRIBUTE_NAME, exchange);
                    continuation.resume();
                } else {
                    log.warn("Cannot resume expired continuation of exchangeId: {}", exchange.getExchangeId());
                }
            }
        });
        if (oldTccl != null) {
            restoreTccl(exchange, oldTccl);
        }
        // method again when its resumed
        return;
    }
    try {
        // now lets output to the response
        if (log.isTraceEnabled()) {
            log.trace("Resumed continuation and writing response for exchangeId: {}", result.getExchangeId());
        }
        Integer bs = consumer.getEndpoint().getResponseBufferSize();
        if (bs != null) {
            log.trace("Using response buffer size: {}", bs);
            response.setBufferSize(bs);
        }
        consumer.getBinding().writeResponse(result, response);
    } catch (IOException e) {
        log.error("Error processing request", e);
        throw e;
    } catch (Exception e) {
        log.error("Error processing request", e);
        throw new ServletException(e);
    } finally {
        consumer.doneUoW(result);
    }
}

Example 5 with TimeoutException

use of java.util.concurrent.TimeoutException in project flink by apache.

the class JobManagerRetriever method awaitJobManagerGatewayAndWebPort.

/**
	 * Awaits the leading job manager gateway and its web monitor port.
	 */
public Tuple2<ActorGateway, Integer> awaitJobManagerGatewayAndWebPort() throws Exception {
    Future<Tuple2<ActorGateway, Integer>> gatewayPortFuture = null;
    Deadline deadline = timeout.fromNow();
    while (!deadline.isOverdue()) {
        synchronized (waitLock) {
            gatewayPortFuture = leaderGatewayPortFuture;
            if (gatewayPortFuture != null) {
                break;
            }
            waitLock.wait(deadline.timeLeft().toMillis());
        }
    }
    if (gatewayPortFuture == null) {
        throw new TimeoutException("There is no JobManager available.");
    } else {
        return Await.result(gatewayPortFuture, deadline.timeLeft());
    }
}