Ejemplo n.º 1
0
  /**
   * Creates a {@link InMemoryConfigurator} to run through the process of generation of {@link
   * AdapterDefinition}
   *
   * @param deploymentInfo Location of the input and output location
   */
  @Override
  public void process(AdapterDeploymentInfo deploymentInfo) throws Exception {
    InMemoryAdapterConfigurator inMemoryAdapterConfigurator =
        new InMemoryAdapterConfigurator(
            cConf,
            namespace,
            templateJarLocation,
            adapterName,
            deploymentInfo.getAdapterConfig(),
            deploymentInfo.getTemplateSpec(),
            pluginRepository);

    ConfigResponse configResponse;

    try {
      configResponse = inMemoryAdapterConfigurator.config().get(120, TimeUnit.SECONDS);
    } catch (ExecutionException e) {
      if (e.getCause() instanceof Exception) {
        throw (Exception) e.getCause();
      }
      throw e;
    }
    InputSupplier<? extends Reader> configSupplier = configResponse.get();
    if (configResponse.getExitCode() != 0 || configSupplier == null) {
      throw new IllegalArgumentException("Failed to configure adapter: " + deploymentInfo);
    }
    Reader reader = configSupplier.getInput();
    try {
      emit(GSON.fromJson(reader, AdapterDefinition.class));
    } finally {
      Closeables.closeQuietly(reader);
    }
  }
Ejemplo n.º 2
0
 /** Demonstrate how to handle an Exception from an asynchronous call. */
 private void callAsyncWithFailure() throws InterruptedException {
   Future<String> x;
   try {
     x =
         accessBean
             .failure(); // this method will return successfully, because the invocation will be
                         // successful!
   } catch (IllegalAccessException e) {
     throw new RuntimeException("Unexpected failure during start asynchronous execution!", e);
   }
   try {
     x.get(); // this will not return successfully
   } catch (ExecutionException e) {
     // the IllegalAccessException is thrown by the bean method
     if (e.getCause() instanceof IllegalAccessException) {
       // This is the expected behavior
       LOGGER.info("Catch the expected Exception of the asynchronous execution!");
     } else if (e.getCause().getCause() instanceof IllegalAccessException) {
       LOGGER.info(
           "Catch the covered Exception of the asynchronous execution, you may be using an older release of JBoss EAP!");
     } else {
       throw new RuntimeException("Unexpected ExecutionException during asynchronous call!", e);
     }
   }
 }
    /** Handle new connection or report failure. */
    public void completed(IoFuture<AsynchronousSocketChannel, Void> result) {
      try {
        try {
          AsynchronousSocketChannel newChannel = result.getNow();
          logger.log(Level.FINER, "Accepted {0}", newChannel);

          /* The handler will call addHandler if login succeeds */
          new ClientSessionHandler(
              ClientSessionServiceImpl.this,
              dataService,
              new AsynchronousMessageChannel(newChannel, readBufferSize));

          // Resume accepting connections
          acceptFuture = acceptor.accept(this);

        } catch (ExecutionException e) {
          throw (e.getCause() == null) ? e : e.getCause();
        }
      } catch (CancellationException e) {
        logger.logThrow(Level.FINE, e, "acceptor cancelled");
        // ignore
      } catch (Throwable e) {
        SocketAddress addr = null;
        try {
          addr = acceptor.getLocalAddress();
        } catch (IOException ioe) {
          // ignore
        }

        logger.logThrow(Level.SEVERE, e, "acceptor error on {0}", addr);

        // TBD: take other actions, such as restarting acceptor?
      }
    }
Ejemplo n.º 4
0
  @Override
  public boolean injectMotionEvent(final MotionEvent event) throws InjectEventSecurityException {
    checkNotNull(event);
    checkState(Looper.myLooper() == mainLooper, "Expecting to be on main thread!");
    initialize();

    FutureTask<Boolean> injectTask =
        new SignalingTask<Boolean>(
            new Callable<Boolean>() {
              @Override
              public Boolean call() throws Exception {
                return eventInjector.injectMotionEvent(event);
              }
            },
            IdleCondition.MOTION_INJECTION_HAS_COMPLETED,
            generation);
    keyEventExecutor.submit(injectTask);
    loopUntil(IdleCondition.MOTION_INJECTION_HAS_COMPLETED);
    try {
      checkState(injectTask.isDone(), "Key injection was signaled - but it wasnt done.");
      return injectTask.get();
    } catch (ExecutionException ee) {
      if (ee.getCause() instanceof InjectEventSecurityException) {
        throw (InjectEventSecurityException) ee.getCause();
      } else {
        throw propagate(ee.getCause() != null ? ee.getCause() : ee);
      }
    } catch (InterruptedException neverHappens) {
      // we only call get() after done() is signaled.
      // we should never block.
      throw propagate(neverHappens);
    } finally {
      loopMainThreadUntilIdle();
    }
  }
Ejemplo n.º 5
0
 public void execute(final OfficeTask task) throws OfficeException {
   Future<?> futureTask =
       taskExecutor.submit(
           new Runnable() {
             public void run() {
               if (settings.getMaxTasksPerProcess() > 0
                   && ++taskCount == settings.getMaxTasksPerProcess() + 1) {
                 logger.info(
                     String.format(
                         "reached limit of %d maxTasksPerProcess: restarting",
                         settings.getMaxTasksPerProcess()));
                 taskExecutor.setAvailable(false);
                 stopping = true;
                 managedOfficeProcess.restartAndWait();
                 // FIXME taskCount will be 0 rather than 1 at this point
               }
               task.execute(managedOfficeProcess.getConnection());
             }
           });
   currentTask = futureTask;
   try {
     futureTask.get(settings.getTaskExecutionTimeout(), TimeUnit.MILLISECONDS);
   } catch (TimeoutException timeoutException) {
     managedOfficeProcess.restartDueToTaskTimeout();
     throw new OfficeException("task did not complete within timeout", timeoutException);
   } catch (ExecutionException executionException) {
     if (executionException.getCause() instanceof OfficeException) {
       throw (OfficeException) executionException.getCause();
     } else {
       throw new OfficeException("task failed", executionException.getCause());
     }
   } catch (Exception exception) {
     throw new OfficeException("task failed", exception);
   }
 }
  @Override
  @Test
  public void win7DisconnectTest() throws Throwable {
    final AtomicInteger count = new AtomicInteger(0);

    AsyncHttpClient client = getAsyncHttpClient(new AsyncHttpClientConfig.Builder().build());
    AsyncCompletionHandler<Response> handler =
        new AsyncCompletionHandlerAdapter() {

          @Override
          public Response onCompleted(Response response) throws Exception {

            count.incrementAndGet();
            StackTraceElement e =
                new StackTraceElement("sun.nio.ch.SocketDispatcher", "read0", null, -1);
            IOException t = new IOException();
            t.setStackTrace(new StackTraceElement[] {e});
            throw t;
          }
        };

    try {
      client.prepareGet(getTargetUrl()).execute(handler).get();
      fail("Must have received an exception");
    } catch (ExecutionException ex) {
      assertNotNull(ex);
      assertNotNull(ex.getCause());
      assertEquals(ex.getCause().getClass(), IOException.class);
      assertEquals(count.get(), 1);
    }
    client.close();
  }
Ejemplo n.º 7
0
  /** Invokes the effector so that its progress is tracked. */
  public static <T> T invokeEffector(Entity entity, Effector<T> eff, Object[] args) {
    String id = entity.getId();
    String name = eff.getName();

    try {
      if (log.isDebugEnabled())
        log.debug("Invoking effector {} on {}", new Object[] {name, entity});
      if (log.isTraceEnabled())
        log.trace("Invoking effector {} on {} with args {}", new Object[] {name, entity, args});
      EntityManagementSupport mgmtSupport = ((EntityInternal) entity).getManagementSupport();
      if (!mgmtSupport.isDeployed()) {
        mgmtSupport.attemptLegacyAutodeployment(name);
      }
      ManagementContextInternal mgmtContext =
          (ManagementContextInternal) ((EntityInternal) entity).getManagementContext();

      mgmtSupport.getEntityChangeListener().onEffectorStarting(eff);
      try {
        return mgmtContext.invokeEffectorMethodSync(entity, eff, args);
      } finally {
        mgmtSupport.getEntityChangeListener().onEffectorCompleted(eff);
      }
    } catch (CancellationException ce) {
      log.info("Execution of effector {} on entity {} was cancelled", name, id);
      throw ce;
    } catch (ExecutionException ee) {
      log.info("Execution of effector {} on entity {} failed with {}", new Object[] {name, id, ee});
      // Exceptions thrown in Futures are wrapped
      // FIXME Shouldn't pretend exception came from this thread?! Should we remove this unwrapping?
      if (ee.getCause() != null) throw Exceptions.propagate(ee.getCause());
      else throw Exceptions.propagate(ee);
    }
  }
  public void testScheduledListensBeforeCompletesWithException() throws Exception {
    RunWaiter waiter = new RunWaiter();
    sq.execute(waiter);

    Object result = new Object();
    Caller runner = new Caller(result, true);
    ListeningFuture<Object> task =
        sq.schedule((Callable<Object>) runner, 500, TimeUnit.MILLISECONDS);

    Listener listener = new Listener();
    task.addFutureListener(listener);

    waiter.latch.countDown();
    assertTrue(listener.latch.await(1, TimeUnit.SECONDS));
    assertNotNull(listener.event);
    assertNull(listener.event.getResult());
    assertEquals(FutureEvent.Type.EXCEPTION, listener.event.getType());
    ExecutionException ee = listener.event.getException();
    assertNotNull(ee);
    assertInstanceof(RuntimeException.class, ee.getCause());
    assertEquals("Boo!", ee.getCause().getMessage());

    assertEquals(runner.thread, listener.thread);

    assertEquals(1, serviceStub.getExceptionCount());
    assertEquals("Boo!", serviceStub.getException(0).getMessage());
    serviceStub.clear();
  }
Ejemplo n.º 9
0
 /** @see java.lang.Process#exitValue() */
 @Override
 public int exitValue() {
   if (!DsfSession.isSessionActive(getSession().getId())) {
     return fExitCode.get();
   }
   try {
     getSession()
         .getExecutor()
         .submit(
             new Callable<Object>() {
               @Override
               public Object call() throws Exception {
                 if (fMIBackend.getState() != IMIBackend.State.TERMINATED) {
                   throw new IllegalThreadStateException(
                       "Backend Process has not exited"); //$NON-NLS-1$
                 }
                 return null;
               }
             })
         .get();
   } catch (RejectedExecutionException e) {
   } catch (InterruptedException e) {
   } catch (ExecutionException e) {
     if (e.getCause() instanceof RuntimeException) {
       throw (RuntimeException) e.getCause();
     }
   }
   return fExitCode.get();
 }
  /**
   * This test will tell the launch to set some arguments for the program. We will then check that
   * the program has the same arguments.
   */
  @Test
  public void testSettingArguments() throws Throwable {
    setLaunchAttribute(ICDTLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, "1 2 3\n4 5 6");
    doLaunch();

    MIStoppedEvent stoppedEvent = getInitialStoppedEvent();

    // Check that argc is correct
    final IExpressionDMContext argcDmc =
        SyncUtil.createExpression(stoppedEvent.getDMContext(), "argc");
    Query<FormattedValueDMData> query =
        new Query<FormattedValueDMData>() {
          @Override
          protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
            fExpService.getFormattedExpressionValue(
                fExpService.getFormattedValueContext(argcDmc, MIExpressions.DETAILS_FORMAT), rm);
          }
        };
    try {
      fExpService.getExecutor().execute(query);
      FormattedValueDMData value = query.get(500, TimeUnit.MILLISECONDS);

      // Argc should be 7: the program name and the six arguments
      assertTrue(
          "Expected 7 but got " + value.getFormattedValue(),
          value.getFormattedValue().trim().equals("7"));
    } catch (InterruptedException e) {
      fail(e.getMessage());
    } catch (ExecutionException e) {
      fail(e.getCause().getMessage());
    } catch (TimeoutException e) {
      fail(e.getMessage());
    }

    // Check that argv is also correct.  For simplicity we only check the last argument
    final IExpressionDMContext argvDmc =
        SyncUtil.createExpression(stoppedEvent.getDMContext(), "argv[argc-1]");
    Query<FormattedValueDMData> query2 =
        new Query<FormattedValueDMData>() {
          @Override
          protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
            fExpService.getFormattedExpressionValue(
                fExpService.getFormattedValueContext(argvDmc, MIExpressions.DETAILS_FORMAT), rm);
          }
        };
    try {
      fExpService.getExecutor().execute(query2);
      FormattedValueDMData value = query2.get(500, TimeUnit.MILLISECONDS);
      assertTrue(
          "Expected \"6\" but got " + value.getFormattedValue(),
          value.getFormattedValue().trim().endsWith("\"6\""));
    } catch (InterruptedException e) {
      fail(e.getMessage());
    } catch (ExecutionException e) {
      fail(e.getCause().getMessage());
    } catch (TimeoutException e) {
      fail(e.getMessage());
    }
  }
  @Override
  protected EncounterAddFailedEvent doInBackground(Void... params) {
    RequestFuture<Encounter> encounterFuture = RequestFuture.newFuture();

    mServer.addEncounter(mPatient, mEncounter, encounterFuture, encounterFuture);
    Encounter encounter;
    try {
      encounter = encounterFuture.get();
    } catch (InterruptedException e) {
      return new EncounterAddFailedEvent(EncounterAddFailedEvent.Reason.INTERRUPTED, e);
    } catch (ExecutionException e) {
      LOG.e(e, "Server error while adding encounter");

      EncounterAddFailedEvent.Reason reason = EncounterAddFailedEvent.Reason.UNKNOWN_SERVER_ERROR;
      if (e.getCause() != null) {
        String errorMessage = e.getCause().getMessage();
        if (errorMessage.contains("failed to validate")) {
          reason = EncounterAddFailedEvent.Reason.FAILED_TO_VALIDATE;
        } else if (errorMessage.contains("Privileges required")) {
          reason = EncounterAddFailedEvent.Reason.FAILED_TO_AUTHENTICATE;
        }
      }
      LOG.e("Error response: %s", ((VolleyError) e.getCause()).networkResponse);

      return new EncounterAddFailedEvent(reason, (VolleyError) e.getCause());
    }

    if (encounter.uuid == null) {
      LOG.e(
          "Although the server reported an encounter successfully added, it did not "
              + "return a UUID for that encounter. This indicates a server error.");

      return new EncounterAddFailedEvent(
          EncounterAddFailedEvent.Reason.FAILED_TO_SAVE_ON_SERVER, null /*exception*/);
    }

    AppEncounter appEncounter = AppEncounter.fromNet(mPatient.uuid, encounter);

    if (appEncounter.observations.length > 0) {
      int inserted =
          mContentResolver.bulkInsert(
              Contracts.Observations.CONTENT_URI, appEncounter.toContentValuesArray());

      if (inserted != appEncounter.observations.length) {
        LOG.w(
            "Inserted %d observations for encounter. Expected: %d",
            inserted, appEncounter.observations.length);
        return new EncounterAddFailedEvent(
            EncounterAddFailedEvent.Reason.INVALID_NUMBER_OF_OBSERVATIONS_SAVED,
            null /*exception*/);
      }
    } else {
      LOG.w("Encounter was sent to the server but contained no observations.");
    }

    mUuid = encounter.uuid;

    return null;
  }
    /**
     * @param runnable the <code>Retriever</code> running on the thread
     * @param throwable an exception thrown during retrieval, will be null if no exception occurred
     * @throws IllegalArgumentException if <code>runnable</code> is null
     */
    @Override
    protected void afterExecute(Runnable runnable, Throwable throwable) {
      if (runnable == null) {
        String msg = Logging.getMessage("nullValue.RunnableIsNull");
        Logging.logger().fine(msg);
        throw new IllegalArgumentException(msg);
      }

      super.afterExecute(runnable, throwable);

      RetrievalTask task = (RetrievalTask) runnable;
      DownloaderRetrievalService.this.activeTasks.remove(task);
      task.retriever.setEndTime(System.currentTimeMillis());

      try {
        if (throwable != null) {
          Logging.logger()
              .log(
                  Level.FINE,
                  Logging.getMessage(
                      "BasicRetrievalService.ExceptionDuringRetrieval",
                      task.getRetriever().getName()),
                  throwable);
        }

        task.get(); // Wait for task to finish, cancel or break
      } catch (java.util.concurrent.ExecutionException e) {
        String message =
            Logging.getMessage(
                "BasicRetrievalService.ExecutionExceptionDuringRetrieval",
                task.getRetriever().getName());
        if (e.getCause() instanceof SocketTimeoutException) {
          Logging.logger().fine(message + " " + e.getCause().getLocalizedMessage());
        } else if (e.getCause() instanceof SSLHandshakeException) {
          if (sslExceptionListener != null)
            sslExceptionListener.onException(e.getCause(), task.getRetriever().getName());
          else Logging.logger().fine(message + " " + e.getCause().getLocalizedMessage());
        } else {
          Logging.logger().log(Level.FINE, message, e);
        }
      } catch (InterruptedException e) {
        Logging.logger()
            .log(
                Level.FINE,
                Logging.getMessage(
                    "BasicRetrievalService.RetrievalInterrupted", task.getRetriever().getName()),
                e);
      } catch (java.util.concurrent.CancellationException e) {
        Logging.logger()
            .fine(
                Logging.getMessage(
                    "BasicRetrievalService.RetrievalCancelled", task.getRetriever().getName()));
      } finally {
        Thread.currentThread().setName(IDLE_THREAD_NAME_PREFIX);
      }
    }
  /**
   * This blocking function attempts to send the message passed in as a parameter. This {@link
   * AmqpsIotHubConnection} handles all calls to this method.
   *
   * <p>Only the first call to this method will result in an attempt to send. Until the message has
   * been sent, all other calls to this method will block. Once a message has been sent and this
   * method notified that it has been sent, this method will be invoked again if was previously
   * another call to send a message.
   *
   * <p>If a message has been passed down to the handler for sending but the message isn't sent
   * after a default constant number of seconds, the {@link AmqpsTransport} will set an ERROR status
   * code on the message and it will placed back onto the queue.
   *
   * @throws IOException If {@link AmqpsIotHubConnectionBaseHandler} has not been initialized.
   */
  protected synchronized void send(Tuple<CompletableFuture<Boolean>, byte[], Object> message)
      throws IOException {
    if (this.state == ReactorState.CLOSED) {
      throw new IllegalStateException(
          "The AMQPS IotHub Connection is currently closed. Call open() before attempting to send a message.");
    }
    if (message != null) {
      if (this.inProgressMessageMap.size() >= this.maxQueueSize * 0.9) {
        message.V1.completeExceptionally(
            new Throwable("Insufficient link credit to send message."));
      } else {
        try {
          // Use the content and ID fields of the input message to have the handler create and send
          // the message
          CompletableFuture<Integer> deliveryFuture =
              amqpsHandler.createBinaryMessage((byte[]) message.V2, message.V3);

          // Wait for a period of time before rejecting the message
          new Thread(
                  () -> {
                    try {
                      Thread.sleep(DEFAULT_DELIVERY_WAIT_TIME_SECONDS * 1000);
                      deliveryFuture.completeExceptionally(
                          new Throwable("Default timeout exceeded before this message was sent."));
                    } catch (InterruptedException e) {
                      e.printStackTrace();
                    }
                  })
              .start();

          // Wait for the deliveryFuture to be completed, providing the delivery hash code.
          // When this future completes, the message has been SENT
          Integer deliveryHash = deliveryFuture.get();
          inProgressMessageMap.put(deliveryHash, message);
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
        // The message was unable to be sent, exceptionally complete that future causing the message
        // to be put back on the queue.
        catch (ExecutionException e) {
          message.V1.completeExceptionally(e.getCause());
          this.fail(e.getCause());
        }
        // There was some other problem sending, exceptionally complete that future causing the
        // message to be put back on the queue.
        catch (Exception e) {
          if (message != null) {
            message.V1.completeExceptionally(e);
          }
          this.fail(e);
        }
      }
    } else {
      throw new IOException("Cannot send an unitialized message.");
    }
  }
Ejemplo n.º 14
0
  @Test
  public void multipleThreadsOfCurrentJvmDistinctVersion() throws Exception {

    final PathLocker<SrcVersion> pathLocker = new PathLocker<>();

    final Path dir1 = lockerDirectory.resolve(UUID.randomUUID().toString());
    final SrcVersion srcVersion1 = SrcVersion.parse("1.2.3-SRC-revision-deadbeef");
    final SrcVersion srcVersion2 = SrcVersion.parse("2.3.4-SRC-revision-coffeebabe");

    Future<PathLock> concurrLockFuture = null;
    try (PathLock lock1 = pathLocker.lockDirectory(dir1, srcVersion1)) {
      /* locked for the current thread */

      /*
       * now try to lock for a distinct version from another thread which should fail with a
       * CannotAcquireLockException because we have locked the path above
       */
      try {
        concurrLockFuture = lockConcurrently(pathLocker, dir1, srcVersion2);
        concurrLockFuture.get(1, TimeUnit.SECONDS);
        Assert.fail("CannotAcquireLockException expected");
      } catch (InterruptedException e) {
        throw e;
      } catch (ExecutionException e) {
        Assert.assertTrue(
            "Should throw CannotAcquireLockException",
            CannotAcquireLockException.class.equals(e.getCause().getClass()));
      } catch (TimeoutException e) {
        throw e;
      }
    }

    /* the above concurrent attempt should still fail, even if lock1 has been released in between */
    try {
      concurrLockFuture.get(1, TimeUnit.SECONDS);

      Assert.fail("CannotAcquireLockException expected");
    } catch (ExecutionException e) {
      Assert.assertTrue(
          "Should throw CannotAcquireLockException",
          CannotAcquireLockException.class.equals(e.getCause().getClass()));
    }

    /* but a fresh attempt must succeed */
    try {
      Future<PathLock> concurrLockFuture2 = lockConcurrently(pathLocker, dir1, srcVersion2);
      Assert.assertNotNull(concurrLockFuture2.get(1, TimeUnit.SECONDS));
    } catch (InterruptedException e) {
      throw e;
    } catch (ExecutionException e) {
      throw e;
    } catch (TimeoutException e) {
      throw e;
    }
  }
Ejemplo n.º 15
0
  /*
   * computes t(Omega) %*% v in multithreaded fashion
   */
  public Vector mutlithreadedTRightMultiply(final Vector v) {

    int nThreads = Runtime.getRuntime().availableProcessors();
    ExecutorService es =
        new ThreadPoolExecutor(
            nThreads, nThreads, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(kp));

    try {

      List<Future<Double>> dotFutures = new ArrayList<Future<Double>>(kp);

      for (int i = 0; i < kp; i++) {
        final int index = i;

        Future<Double> dotFuture =
            es.submit(
                new Callable<Double>() {
                  @Override
                  public Double call() throws Exception {
                    double result = 0.0;
                    if (v.isDense()) {
                      for (int k = 0; k < v.size(); k++)
                        // it's ok, this is reentrant
                        result += getQuick(k, index) * v.getQuick(k);

                    } else {
                      for (Iterator<Vector.Element> iter = v.iterateNonZero(); iter.hasNext(); ) {
                        Vector.Element el = iter.next();
                        int k = el.index();
                        result += getQuick(k, index) * el.get();
                      }
                    }
                    return result;
                  }
                });
        dotFutures.add(dotFuture);
      }

      try {
        Vector res = new DenseVector(kp);
        for (int i = 0; i < kp; i++) {
          res.setQuick(i, dotFutures.get(i).get());
        }
        return res;
      } catch (InterruptedException exc) {
        throw new RuntimeException("Interrupted", exc);
      } catch (ExecutionException exc) {
        if (exc.getCause() instanceof RuntimeException) throw (RuntimeException) exc.getCause();
        else throw new RuntimeException(exc.getCause());
      }

    } finally {
      es.shutdown();
    }
  }
Ejemplo n.º 16
0
 @SuppressWarnings("unchecked")
 static <T> void checkCompletedExceptionally(CompletableFuture<T> cf, boolean cancelled)
     throws Exception {
   try {
     cf.join();
     fail("Excepted exception to be thrown");
   } catch (CompletionException x) {
     if (cancelled) fail();
     else pass();
   } catch (CancellationException x) {
     if (cancelled) pass();
     else fail();
   }
   try {
     cf.getNow(null);
     fail("Excepted exception to be thrown");
   } catch (CompletionException x) {
     if (cancelled) fail();
     else pass();
   } catch (CancellationException x) {
     if (cancelled) pass();
     else fail();
   }
   try {
     cf.get();
     fail("Excepted exception to be thrown");
   } catch (CancellationException x) {
     if (cancelled) pass();
     else fail();
   } catch (ExecutionException x) {
     if (cancelled) check(x.getCause() instanceof CancellationException);
     else pass();
   }
   try {
     cf.get(0L, SECONDS);
     fail("Excepted exception to be thrown");
   } catch (CancellationException x) {
     if (cancelled) pass();
     else fail();
   } catch (ExecutionException x) {
     if (cancelled) check(x.getCause() instanceof CancellationException);
     else pass();
   }
   check(cf.isDone(), "Expected isDone to be true, got:" + cf);
   check(
       cf.isCancelled() == cancelled,
       "Expected isCancelled: " + cancelled + ", got:" + cf.isCancelled());
   check(
       cf.cancel(true) == cancelled, "Expected cancel: " + cancelled + ", got:" + cf.cancel(true));
   check(cf.toString().contains("[Completed exceptionally]")); // ## TODO: 'E'xceptionally
   check(cf.complete((T) new Object()) == false, "Expected complete() to fail");
   check(
       cf.completeExceptionally(new Throwable()) == false,
       "Expected completeExceptionally() to fail, already completed");
 }
Ejemplo n.º 17
0
 private static ExecutionException addSubmissionTrace(
     StackTraceElement[] submissionTrace, ExecutionException e) {
   if (e.getCause() == null) {
     return filterTrace(e);
   }
   Throwable cause = e.getCause();
   StackTraceElement[] combined =
       filterTrace(concat(cause.getStackTrace(), submissionTrace, StackTraceElement.class));
   cause.setStackTrace(combined);
   return filterTrace(e);
 }
    @Override
    public ListenableFuture<ServiceFilterResponse> handleRequest(
        final ServiceFilterRequest request,
        final NextServiceFilterCallback nextServiceFilterCallback) {
      // In this example, if authentication is already in progress we block the request
      // until authentication is complete to avoid unnecessary authentications as
      // a result of HTTP status code 401.
      // If authentication was detected, add the token to the request.
      waitAndUpdateRequestToken(request);

      // Send the request down the filter chain
      // retrying up to 5 times on 401 response codes.
      ListenableFuture<ServiceFilterResponse> future = null;
      ServiceFilterResponse response = null;
      int responseCode = 401;
      for (int i = 0; (i < 5) && (responseCode == 401); i++) {
        future = nextServiceFilterCallback.onNext(request);
        try {
          response = future.get();
          responseCode = response.getStatus().getStatusCode();
        } catch (InterruptedException e) {
          e.printStackTrace();
        } catch (ExecutionException e) {
          if (e.getCause().getClass() == MobileServiceException.class) {
            MobileServiceException mEx = (MobileServiceException) e.getCause();
            responseCode = mEx.getResponse().getStatus().getStatusCode();
            if (responseCode == 401) {
              // Two simultaneous requests from independent threads could get HTTP status 401.
              // Protecting against that right here so multiple authentication requests are
              // not setup to run on the UI thread.
              // We only want to authenticate once. Requests should just wait and retry
              // with the new token.
              if (mAtomicAuthenticatingFlag.compareAndSet(false, true)) {
                // Authenticate on UI thread
                runOnUiThread(
                    new Runnable() {
                      @Override
                      public void run() {
                        // Force a token refresh during authentication.
                        authenticate(true);
                      }
                    });
              }

              // Wait for authentication to complete then update the token in the request.
              waitAndUpdateRequestToken(request);
              mAtomicAuthenticatingFlag.set(false);
            }
          }
        }
      }
      return future;
    }
 private void tryCancellation(Future<?> f) throws Exception {
   f.cancel(true);
   assertTrue(f.isCancelled());
   assertTrue(f.isDone());
   try {
     Object o = f.get();
     fail("Expected cancellation, got " + o);
   } catch (ExecutionException e) {
     assertTrue(e.getCause() instanceof RuntimeException);
     assertEquals("Cancelled", e.getCause().getMessage());
   }
 }
Ejemplo n.º 20
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 // TODO: move this to a utility package
 private static <T, X extends Throwable> T getFutureResult(Future<T> future, Class<X> type)
     throws X {
   try {
     return future.get();
   } catch (InterruptedException e) {
     Thread.currentThread().interrupt();
     throw Throwables.propagate(e);
   } catch (ExecutionException e) {
     Throwables.propagateIfPossible(e.getCause(), type);
     throw Throwables.propagate(e.getCause());
   }
 }
    @Override
    @SuppressWarnings("unchecked")
    public synchronized void futureDone(Future<Object> objectFuture) {
      SenderContainer sc = futures.get(objectFuture);
      if (sc.processed) {
        // This can happen - it is a race condition in JGroups' NotifyingFuture.setListener() where
        // a listener
        // could be notified twice.
        if (trace)
          log.tracef(
              "Not processing callback; already processed callback for sender %s", sc.address);
      } else {
        sc.processed = true;
        Address sender = sc.address;
        boolean done = false;
        try {
          if (retval == null) {
            Object response = objectFuture.get();
            if (trace) log.tracef("Received response: %s from %s", response, sender);
            filter.isAcceptable(response, sender);
            if (!filter.needMoreResponses()) {
              retval = new RspList(Collections.singleton(new Rsp(sender, response)));
              done = true;
              // TODO cancel other tasks?
            }
          } else {
            if (trace)
              log.tracef(
                  "Skipping response from %s since a valid response for this request has already been received",
                  sender);
          }
        } catch (InterruptedException e) {
          Thread.currentThread().interrupt();
        } catch (ExecutionException e) {
          exception = e;
          if (e.getCause() instanceof org.jgroups.TimeoutException)
            exception = new TimeoutException("Timeout!", e);
          else if (e.getCause() instanceof Exception) exception = (Exception) e.getCause();
          else exception = new CacheException("Caught a throwable", e.getCause());

          if (log.isDebugEnabled())
            log.debugf(
                "Caught exception %s from sender %s.  Will skip this response.",
                exception.getClass().getName(), sender);
          log.trace("Exception caught: ", exception);
        } finally {
          expectedResponses--;
          if (expectedResponses == 0 || done) {
            this.notify(); // make sure to awake waiting thread, but avoid unnecessary wakeups!
          }
        }
      }
    }
  public Instance getInstance(final ThreadContext callContext) throws OpenEJBException {
    final BeanContext beanContext = callContext.getBeanContext();
    Data data = (Data) beanContext.getContainerData();
    AtomicReference<Future<Instance>> singleton = data.singleton;
    try {
      // Has the singleton been created yet?
      // If there is a Future object in the AtomicReference, then
      // it's either been created or is being created now.
      Future<Instance> singletonFuture = singleton.get();
      if (singletonFuture != null) return singletonFuture.get();

      // The singleton has not been created nor is being created
      // We will construct this FutureTask and compete with the
      // other threads for the right to create the singleton
      FutureTask<Instance> task =
          new FutureTask<Instance>(
              new Callable<Instance>() {
                public Instance call() throws Exception {
                  return createInstance(callContext, beanContext);
                }
              });

      do {
        // If our FutureTask was the one to win the slot
        // than we are the ones responsible for creating
        // the singleton while the others wait.
        if (singleton.compareAndSet(null, task)) {
          task.run();
        }

        // If we didn't win the slot and no other FutureTask
        // has been set by a different thread, than we need
        // to try again.
      } while ((singletonFuture = singleton.get()) == null);

      // At this point we can safely return the singleton
      return singletonFuture.get();

    } catch (InterruptedException e) {
      Thread.interrupted();
      throw new ApplicationException(
          new NoSuchEJBException("Singleton initialization interrupted").initCause(e));
    } catch (ExecutionException e) {
      Throwable throwable = e.getCause();
      if (throwable instanceof ApplicationException) {
        throw (ApplicationException) throwable;
      }

      throw new ApplicationException(
          new NoSuchEJBException("Singleton initialization failed").initCause(e.getCause()));
    }
  }
  private static RspList<Object> processCalls(
      Map<Address, ReplicableCommand> commands,
      long timeout,
      ResponseMode mode,
      Marshaller marshaller,
      CommandAwareRpcDispatcher card,
      boolean oob,
      boolean ignoreLeavers)
      throws Exception {
    if (trace) log.tracef("Replication task sending %s with response mode %s", commands, mode);

    if (commands.isEmpty()) return new RspList<>();

    RequestOptions opts = new RequestOptions(mode, timeout);
    // opts.setExclusionList(card.getChannel().getAddress());

    Map<Address, Future<Object>> futures = new HashMap<Address, Future<Object>>(commands.size());
    RspList<Object> retval = new RspList<>();

    for (Map.Entry<Address, ReplicableCommand> cmd : commands.entrySet()) {
      Buffer buf = marshallCall(marshaller, cmd.getValue());
      Address dest = cmd.getKey();
      boolean rsvp = isRsvpCommand(cmd.getValue());
      futures.put(
          dest,
          card.sendMessageWithFuture(constructMessage(buf, dest, oob, mode, rsvp, false), opts));
    }

    // a get() on each future will block till that call completes.
    TimeService timeService = card.timeService;
    long waitTime = timeService.expectedEndTime(timeout, MILLISECONDS);
    for (Map.Entry<Address, Future<Object>> entry : futures.entrySet()) {
      Address target = entry.getKey();
      try {
        retval.addRsp(
            target,
            entry.getValue().get(timeService.remainingTime(waitTime, MILLISECONDS), MILLISECONDS));
      } catch (java.util.concurrent.TimeoutException te) {
        throw new TimeoutException(
            formatString(
                "Timed out after %s waiting for a response from %s",
                prettyPrintTime(timeout), target));
      } catch (ExecutionException e) {
        if (ignoreLeavers && e.getCause() instanceof SuspectedException) {
          retval.addRsp(target, new ExceptionResponse((SuspectedException) e.getCause()));
        } else {
          throw wrapThrowableInException(e.getCause());
        }
      }
    }
    return retval;
  }
Ejemplo n.º 24
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 private <T> T submitAndWait(final Callable<T> callable) {
   try {
     return m_executor.submit(callable).get();
   } catch (final InterruptedException e) {
     throw new RuntimeException(e);
   } catch (final ExecutionException e) {
     if (e.getCause() instanceof RuntimeException) {
       throw ((RuntimeException) e.getCause());
     } else {
       throw new RuntimeException(e.getCause());
     }
   }
 }
Ejemplo n.º 25
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 public <T> T get(final Future<T> future) {
   try {
     return future.get();
   } catch (InterruptedException e1) {
     throw new InternalException("Future.get interrupted:" + e1.getMessage());
   } catch (ExecutionException e1) {
     if (e1.getCause() instanceof RuntimeException) {
       throw (RuntimeException) e1.getCause();
     } else {
       throw new InternalException("Caught exception thrown by Future.get:" + e1.getMessage());
     }
   }
 }
 public V txGet() throws ElasticSearchException {
   try {
     return get();
   } catch (InterruptedException e) {
     throw new ElasticSearchInterruptedException(e.getMessage());
   } catch (ExecutionException e) {
     if (e.getCause() instanceof ElasticSearchException) {
       throw (ElasticSearchException) e.getCause();
     } else {
       throw new TransportException("Failed execution", e);
     }
   }
 }
Ejemplo n.º 27
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  @Override
  public MuleEvent process(MuleEvent event) throws MuleException {
    HttpRestRequest request = getHttpRestRequest(event);

    String path = request.getResourcePath();

    MuleEvent handled = handleEvent(event, path);
    if (handled != null) {
      return handled;
    }

    // check for raml descriptor request
    if (path.equals(getApi().getUri())
        && ActionType.GET.toString().equals(request.getMethod().toUpperCase())
        && request.getAdapter().getAcceptableResponseMediaTypes().contains(APPLICATION_RAML)) {
      String raml = config.getApikitRaml(event);
      event.getMessage().setPayload(raml);
      event.getMessage().setOutboundProperty(HttpConstants.HEADER_CONTENT_TYPE, APPLICATION_RAML);
      event.getMessage().setOutboundProperty(HttpConstants.HEADER_CONTENT_LENGTH, raml.length());
      event.getMessage().setOutboundProperty("Access-Control-Allow-Origin", "*");
      return event;
    }

    URIPattern uriPattern;
    URIResolver uriResolver;
    path = path.isEmpty() ? "/" : path;
    try {
      uriPattern = getUriPatternCache().get(path);
      uriResolver = getUriResolverCache().get(path);
    } catch (ExecutionException e) {
      if (e.getCause() instanceof MuleRestException) {
        throw (MuleRestException) e.getCause();
      }
      throw new DefaultMuleException(e);
    }

    Resource resource = getRoutingTable().get(uriPattern);
    if (resource.getAction(request.getMethod()) == null) {
      throw new MethodNotAllowedException(resource.getUri(), request.getMethod());
    }

    ResolvedVariables resolvedVariables = uriResolver.resolve(uriPattern);

    processUriParameters(resolvedVariables, resource, event);

    Flow flow = getFlow(resource, request.getMethod());
    if (flow == null) {
      throw new ApikitRuntimeException("Flow not found for resource: " + resource);
    }
    return request.process(flow, resource.getAction(request.getMethod()));
  }
  @Test(groups = {"standalone", "default_provider"})
  public void unexpectingTimeoutTest() throws IOException {
    final AtomicInteger counts = new AtomicInteger();
    final int timeout = 100;

    final AsyncHttpClient client =
        getAsyncHttpClient(
            new AsyncHttpClientConfig.Builder().setRequestTimeoutInMs(timeout).build());
    try {
      Future<Response> responseFuture =
          client
              .prepareGet(getTargetUrl())
              .execute(
                  new AsyncCompletionHandler<Response>() {
                    @Override
                    public Response onCompleted(Response response) throws Exception {
                      counts.incrementAndGet();
                      return response;
                    }

                    @Override
                    public void onThrowable(Throwable t) {
                      counts.incrementAndGet();
                      super.onThrowable(t);
                    }
                  });
      // currently, an exception is expected
      // because the grizzly provider would throw IllegalStateException if WWW-Authenticate header
      // doesn't exist with 401 response status.
      try {
        Response response = responseFuture.get();
        assertNull(response);
      } catch (InterruptedException e) {
        fail("Interrupted.", e);
      } catch (ExecutionException e) {
        assertFalse(e.getCause() instanceof TimeoutException);
        assertEquals(e.getCause().getMessage(), getExpectedTimeoutMessage());
      }
      // wait for timeout again.
      try {
        Thread.sleep(timeout * 2);
      } catch (InterruptedException e) {
        fail("Interrupted.", e);
      }
      // the result should be either onCompleted or onThrowable.
      assertEquals(1, counts.get(), "result should be one");
    } finally {
      client.close();
    }
  }
 @Override
 public V txGet() {
   try {
     return get();
   } catch (InterruptedException e) {
     Thread.currentThread().interrupt();
     throw new IllegalStateException("Future got interrupted", e);
   } catch (ExecutionException e) {
     if (e.getCause() instanceof ElasticsearchException) {
       throw (ElasticsearchException) e.getCause();
     } else {
       throw new TransportException("Failed execution", e);
     }
   }
 }
Ejemplo n.º 30
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 /**
  * Waits for the computation embodied by the given {@code future} to complete and then retrieves
  * its result.
  *
  * <p>This method requires that {@code future}'s computation may only throw a {@link VException} -
  * any other exception type will result in a {@link RuntimeException}.
  *
  * <p>Likewise, if the {@code future}'s execution raises an {@link InterruptedException}, this
  * method will raise a {@link RuntimeException}.
  *
  * @param future the future being executed
  * @return the computed result of the future
  * @throws VException if the computation embodied by the future threw a {@link VException}
  * @throws RuntimeException if the computation embodied by the future threw an exception other
  *     than {@link VException}, or if the future's executions raised an {@link
  *     InterruptedException}
  */
 public static <T> T sync(Future<T> future) throws VException {
   try {
     return future.get();
   } catch (ExecutionException e) {
     if (e.getCause() instanceof VException) {
       throw (VException) e.getCause();
     } else if (e.getCause() instanceof RuntimeException) {
       throw (RuntimeException) e.getCause();
     }
     throw new RuntimeException(
         "Vanadium futures may only raise a VException or a RuntimeException.", e.getCause());
   } catch (InterruptedException e) {
     throw new RuntimeException("Vanadium future may not raise an InterruptedException.", e);
   }
 }