Example usage for java.util.concurrent ExecutionException getCause

Introduction

In this page you can find the example usage for java.util.concurrent ExecutionException getCause.

Prototype

public synchronized Throwable getCause() 

Source Link

Document

Returns the cause of this throwable or null if the cause is nonexistent or unknown.

Usage

From source file:io.scigraph.owlapi.loader.BatchOwlLoader.java

public void loadOntology() throws InterruptedException, ExecutionException {
    CompletionService<Long> completionService = new ExecutorCompletionService<Long>(exec);
    Set<Future<?>> futures = new HashSet<>();
    if (!ontologies.isEmpty()) {
        for (int i = 0; i < numConsumers; i++) {
            futures.add(completionService.submit(consumerProvider.get()));
        }/*from w ww  .j  a  v  a 2s .  c  o  m*/
        for (int i = 0; i < numProducers; i++) {
            futures.add(completionService.submit(producerProvider.get()));
        }
        for (OntologySetup ontology : ontologies) {
            urlQueue.offer(ontology);
        }
        for (int i = 0; i < numProducers; i++) {
            urlQueue.offer(POISON_STR);
        }
    }

    while (futures.size() > 0) {
        Future<?> completedFuture = completionService.take();
        futures.remove(completedFuture);
        try {
            completedFuture.get();
        } catch (ExecutionException e) {
            logger.log(Level.SEVERE, "Stopping batchLoading due to: " + e.getMessage(), e);
            e.printStackTrace();
            exec.shutdownNow();
            throw new InterruptedException(e.getCause().getMessage());
        }
    }

    exec.shutdown();
    exec.awaitTermination(10, TimeUnit.DAYS);
    graph.shutdown();
    logger.info("Postprocessing...");
    postprocessorProvider.get().postprocess();

    if (cliqueConfiguration.isPresent()) {
        postprocessorProvider.runCliquePostprocessor(cliqueConfiguration.get());
    }

    postprocessorProvider.shutdown();

}

---

From source file:sh.isaac.mojo.profileSync.ProfilesMojoBase.java

/**
 * Gets the username./*from  w  w  w. j ava  2s .c om*/
 *
 * @return the username
 * @throws MojoExecutionException the mojo execution exception
 */
protected String getUsername() throws MojoExecutionException {
    if (username == null) {
        username = System.getProperty(PROFILE_SYNC_USERNAME_PROPERTY);

        // still blank, try property
        if (StringUtils.isBlank(username)) {
            username = this.profileSyncUsername;
        }

        // still no username, prompt if allowed
        if (StringUtils.isBlank(username) && !Boolean.valueOf(System.getProperty(PROFILE_SYNC_NO_PROMPTS))) {
            final Callable<Void> callable = () -> {
                if (!ProfilesMojoBase.this.disableHintGiven) {
                    System.out.println("To disable remote sync during build, add '-D" + PROFILE_SYNC_DISABLE
                            + "=true' to your maven command");
                    ProfilesMojoBase.this.disableHintGiven = true;
                }

                try {
                    System.out.println("Enter the " + ProfilesMojoBase.this.changeSetURLType
                            + " username for the Profiles/Changset remote store ("
                            + ProfilesMojoBase.this.changeSetURL + "):");

                    final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

                    username = br.readLine();
                } catch (final IOException e) {
                    throw new MojoExecutionException("Error reading username from console");
                }

                return null;
            };

            try {
                Executors.newSingleThreadExecutor(r -> {
                    final Thread t = new Thread(r, "User Prompt Thread");

                    t.setDaemon(true);
                    return t;
                }).submit(callable).get(2, TimeUnit.MINUTES);
            } catch (TimeoutException | InterruptedException e) {
                throw new MojoExecutionException("Username not provided within timeout");
            } catch (final ExecutionException ee) {
                throw ((ee.getCause() instanceof MojoExecutionException)
                        ? (MojoExecutionException) ee.getCause()
                        : new MojoExecutionException("Unexpected", ee.getCause()));
            }
        }
    }

    return username;
}

---

From source file:org.jclouds.atmosonline.saas.AtmosStorageClientLiveTest.java

protected void retryAndCheckSystemMetadataAndPutIfPresentReplaceStrategy(AtmosObject object) throws Exception {

    int failures = 0;
    while (true) {
        try {/*www  .  ja  v  a 2s  .  c om*/
            checkSystemMetadataAndPutIfPresentReplaceStrategy(object);
            break;
        } catch (ExecutionException e1) {// bug
            if (!(e1.getCause() instanceof KeyAlreadyExistsException))
                throw e1;
            else
                failures++;
        }
    }
    if (failures > 0)
        System.err.printf("%d failures create/replacing %s%n", failures,
                object.getData() instanceof InputStream ? "stream" : "string");
}

---

From source file:org.opennms.core.rpc.camel.EchoRpcIT.java

@Test(timeout = CamelRpcClientPreProcessor.CAMEL_JMS_REQUEST_TIMEOUT_DEFAULT * 4)
public void throwsRequestTimedOutExceptionOnTimeout() throws Exception {
    assertNotEquals(REMOTE_LOCATION_NAME, identity.getLocation());
    EchoRpcModule echoRpcModule = new EchoRpcModule();

    SimpleRegistry registry = new SimpleRegistry();
    CamelContext context = new DefaultCamelContext(registry);
    context.getShutdownStrategy().setTimeout(5);
    context.getShutdownStrategy().setTimeUnit(TimeUnit.SECONDS);
    context.addComponent("queuingservice", queuingservice);

    CamelRpcServerRouteManager routeManager = new CamelRpcServerRouteManager(context,
            new MockMinionIdentity(REMOTE_LOCATION_NAME));
    routeManager.bind(echoRpcModule);//from   ww w.j a  v  a  2 s . c  o  m

    EchoRequest request = new EchoRequest("HELLO!!!");
    request.setLocation(REMOTE_LOCATION_NAME);
    request.setDelay(CamelRpcClientPreProcessor.CAMEL_JMS_REQUEST_TIMEOUT_DEFAULT * 2);

    try {
        echoClient.execute(request).get();
        fail("Did not get ExecutionException");
    } catch (ExecutionException e) {
        assertTrue("Cause is not of type RequestTimedOutException: " + ExceptionUtils.getStackTrace(e),
                e.getCause() instanceof RequestTimedOutException);
    }

    routeManager.unbind(echoRpcModule);
    context.stop();
}

---

From source file:sh.isaac.mojo.profileSync.ProfilesMojoBase.java

/**
 * Gets the password.//w  w w.  j av  a 2  s  .c  o m
 *
 * @return the password
 * @throws MojoExecutionException the mojo execution exception
 */
protected char[] getPassword() throws MojoExecutionException // protected String getPassword() throws MojoExecutionException
{
    if (pwd == null) {
        pwd = System.getProperty(PROFILE_SYNC_PWD_PROPERTY).toCharArray();

        // still blank, try the passed in param
        if (pwd.length == 0) // if (StringUtils.isBlank(pwd))
        {
            pwd = this.profileSyncPassword.toCharArray();
        }

        // still no password, prompt if allowed
        if ((pwd.length == 0) && !Boolean.valueOf(System.getProperty(PROFILE_SYNC_NO_PROMPTS))) {
            final Callable<Void> callable = () -> {
                try {
                    if (!ProfilesMojoBase.this.disableHintGiven) {
                        System.out.println("To disable remote sync during build, add '-D" + PROFILE_SYNC_DISABLE
                                + "=true' to your maven command");
                        ProfilesMojoBase.this.disableHintGiven = true;
                    }

                    System.out.println("Enter the " + ProfilesMojoBase.this.changeSetURLType
                            + " password for the Profiles/Changset remote store: ("
                            + ProfilesMojoBase.this.changeSetURL + "):");

                    // Use console if available, for password masking
                    final Console console = System.console();

                    if (console != null) {
                        pwd = console.readPassword();
                    } else {
                        final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

                        pwd = br.readLine().toCharArray();
                    }
                } catch (final IOException e) {
                    throw new MojoExecutionException("Error reading password from console");
                }

                return null;
            };

            try {
                Executors.newSingleThreadExecutor(r -> {
                    final Thread t = new Thread(r, "User Password Prompt Thread");

                    t.setDaemon(true);
                    return t;
                }).submit(callable).get(2, TimeUnit.MINUTES);
            } catch (TimeoutException | InterruptedException e) {
                throw new MojoExecutionException("Password not provided within timeout");
            } catch (final ExecutionException ee) {
                throw ((ee.getCause() instanceof MojoExecutionException)
                        ? (MojoExecutionException) ee.getCause()
                        : new MojoExecutionException("Unexpected", ee.getCause()));
            }
        }
    }

    return pwd;
}

---

From source file:org.jactr.core.model.six.DefaultCycleProcessor6.java

/**
 * using the current contents of the buffer, derive the conflict set and
 * select the best production. Request it to be fired, and eventually return
 * the result.//from   w ww  . j  av  a2s .co  m
 * 
 * @return firing time (or NaN if we should quit) or -inf if no production was
 *         fired
 */
protected double evaluateAndFireProduction(BasicModel model, double currentTime)
        throws InterruptedException, ExecutionException {
    if (_nextPossibleProductionFiringTime > currentTime)
        return Double.NEGATIVE_INFINITY;

    /*
     * get the buffers and their contents
     */
    Collection<IActivationBuffer> buffers = model.getActivationBuffers();

    /*
     * and the procedural module since we'll be using him quite frequently
     */
    IProceduralModule procMod = model.getProceduralModule();

    /*
     * snag the conflict set, procMod should fire the notification events itself
     * this and selectInstantiation should not be separate methods, or better
     * yet, provide a third method
     */
    Future<Collection<IInstantiation>> conflictSet = procMod.getConflictSet(buffers);

    /*
     * figure out who is the best production..
     */
    IInstantiation instantiation = null;

    instantiation = procMod.selectInstantiation(conflictSet.get()).get();

    if (LOGGER.isDebugEnabled())
        LOGGER.debug("Conflict resolution selected " + instantiation);

    /*
     * and fire his arse.. and snag his return time -inf if no production was
     * fired, NaN if we should quit
     */
    double firingDuration = Double.NEGATIVE_INFINITY;
    if (instantiation != null)
        try {
            if (LOGGER.isDebugEnabled())
                LOGGER.debug("Firing " + instantiation);
            firingDuration = procMod.fireProduction(instantiation, currentTime).get();

            _nextPossibleProductionFiringTime = currentTime + firingDuration;
        } catch (ExecutionException e) {
            throw new ExecutionException("Failed to execute " + instantiation, e.getCause());
        }
    else
        _nextPossibleProductionFiringTime = currentTime + procMod.getDefaultProductionFiringTime();

    return firingDuration;
}

---

From source file:com.uber.hoodie.func.TestBoundedInMemoryQueue.java

@SuppressWarnings("unchecked")
@Test(timeout = 60000)/*from  w  w  w  .  j  a  va 2 s.c  o  m*/
public void testException() throws Exception {
    final int numRecords = 256;
    final List<HoodieRecord> hoodieRecords = hoodieTestDataGenerator.generateInserts(commitTime, numRecords);
    final SizeEstimator<Tuple2<HoodieRecord, Optional<IndexedRecord>>> sizeEstimator = new DefaultSizeEstimator<>();
    // queue memory limit
    final long objSize = sizeEstimator
            .sizeEstimate(getTransformFunction(HoodieTestDataGenerator.avroSchema).apply(hoodieRecords.get(0)));
    final long memoryLimitInBytes = 4 * objSize;

    // first let us throw exception from queueIterator reader and test that queueing thread
    // stops and throws
    // correct exception back.
    BoundedInMemoryQueue<HoodieRecord, Tuple2<HoodieRecord, Optional<IndexedRecord>>> queue1 = new BoundedInMemoryQueue(
            memoryLimitInBytes, getTransformFunction(HoodieTestDataGenerator.avroSchema));

    // Produce
    Future<Boolean> resFuture = executorService.submit(() -> {
        new IteratorBasedQueueProducer<>(hoodieRecords.iterator()).produce(queue1);
        return true;
    });

    // waiting for permits to expire.
    while (!isQueueFull(queue1.rateLimiter)) {
        Thread.sleep(10);
    }
    // notify queueing thread of an exception and ensure that it exits.
    final Exception e = new Exception("Failing it :)");
    queue1.markAsFailed(e);
    try {
        resFuture.get();
        Assert.fail("exception is expected");
    } catch (ExecutionException e1) {
        Assert.assertEquals(HoodieException.class, e1.getCause().getClass());
        Assert.assertEquals(e, e1.getCause().getCause());
    }

    // second let us raise an exception while doing record queueing. this exception should get
    // propagated to
    // queue iterator reader.
    final RuntimeException expectedException = new RuntimeException("failing record reading");
    final Iterator<HoodieRecord> mockHoodieRecordsIterator = mock(Iterator.class);
    when(mockHoodieRecordsIterator.hasNext()).thenReturn(true);
    when(mockHoodieRecordsIterator.next()).thenThrow(expectedException);
    BoundedInMemoryQueue<HoodieRecord, Tuple2<HoodieRecord, Optional<IndexedRecord>>> queue2 = new BoundedInMemoryQueue(
            memoryLimitInBytes, getTransformFunction(HoodieTestDataGenerator.avroSchema));

    // Produce
    Future<Boolean> res = executorService.submit(() -> {
        try {
            new IteratorBasedQueueProducer<>(mockHoodieRecordsIterator).produce(queue2);
        } catch (Exception ex) {
            queue2.markAsFailed(ex);
            throw ex;
        }
        return true;
    });

    try {
        queue2.iterator().hasNext();
        Assert.fail("exception is expected");
    } catch (Exception e1) {
        Assert.assertEquals(expectedException, e1.getCause());
    }
    // queueing thread should also have exited. make sure that it is not running.
    try {
        res.get();
        Assert.fail("exception is expected");
    } catch (ExecutionException e2) {
        Assert.assertEquals(expectedException, e2.getCause());
    }
}

---

From source file:org.apache.hive.spark.client.rpc.TestRpc.java

@Test
public void testClientTimeout() throws Exception {
    Map<String, String> conf = ImmutableMap.<String, String>builder().putAll(emptyConfig).build();
    RpcServer server = autoClose(new RpcServer(conf));
    String secret = server.createSecret();

    try {/*from   w w  w .j  a v a  2s. c o  m*/
        autoClose(server.registerClient("client", secret, new TestDispatcher(), 1L).get());
        fail("Server should have timed out client.");
    } catch (ExecutionException ee) {
        assertTrue(ee.getCause() instanceof TimeoutException);
    }

    NioEventLoopGroup eloop = new NioEventLoopGroup();
    Future<Rpc> clientRpcFuture = Rpc.createClient(conf, eloop, "localhost", server.getPort(), "client", secret,
            new TestDispatcher());
    try {
        autoClose(clientRpcFuture.get());
        fail("Client should have failed to connect to server.");
    } catch (ExecutionException ee) {
        // Error should not be a timeout.
        assertFalse(ee.getCause() instanceof TimeoutException);
    }
}

---

From source file:com.yahoo.pulsar.client.impl.PulsarClientImpl.java

@Override
public void close() throws PulsarClientException {
    try {// w w w . j a  va  2  s . c o  m
        closeAsync().get();
    } catch (ExecutionException e) {
        Throwable t = e.getCause();
        if (t instanceof PulsarClientException) {
            throw (PulsarClientException) t;
        } else {
            throw new PulsarClientException(t);
        }
    } catch (InterruptedException e) {
        throw new PulsarClientException(e);
    }
}

---

From source file:de.metas.procurement.webui.ui.model.ProductQtyReportRepository.java

public final ProductQtyReportContainer getDailyProductQtyReportContainer(Date day) {
    day = DateUtils.truncToDay(day);//from w w  w  .  j av a2  s  .  co m
    try {
        return day2productQtyReportContainer.get(day);
    } catch (final ExecutionException e) {
        throw new RuntimeException(e.getCause()); // shall not happen
    }
}

---

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