Example usage for java.lang Exception getCause

Introduction

In this page you can find the example usage for java.lang Exception 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:com.ikanow.aleph2.distributed_services.services.TestCoreDistributedServices.java

@Test
public void testCoreDistributedServices() throws KeeperException, InterruptedException, Exception {
    final CuratorFramework curator = _core_distributed_services.getCuratorFramework();
    String path = curator.getZookeeperClient().getZooKeeper().create("/test", new byte[] { 1, 2, 3 },
            ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    assertEquals(path, "/test");

    // Test serialization is hooked up:
    Serialization tester = SerializationExtension.get(_core_distributed_services.getAkkaSystem());

    TestBean test = BeanTemplateUtils.build(TestBean.class).with("test1", "val1")
            .with("embedded",
                    BeanTemplateUtils.build(EmbeddedTestBean.class).with("test2", "val2").done().get())
            .done().get();/*from   w w  w  .  j  ava 2  s . c om*/

    Serializer serializer = tester.findSerializerFor(test);

    byte[] test_bytes2 = serializer.toBinary(test);

    TestBean test2 = (TestBean) serializer.fromBinary(test_bytes2, TestBean.class);

    assertEquals(test.test1(), test2.test1());
    assertEquals(test.embedded().test2(), test2.embedded().test2());

    assertEquals(Optional.empty(), _core_distributed_services.getApplicationName());

    _completed1.get(20, TimeUnit.SECONDS);
    assertEquals(true, _test1.get());

    try {
        _completed2.get(20, TimeUnit.SECONDS);
    } catch (Exception e) {
        assertEquals(e.getCause().getMessage(), "test2");
    }
    _completed3 = _core_distributed_services.runOnAkkaJoin(() -> {
        _test3.set(false);
    });
    _completed3.get(20, TimeUnit.SECONDS);
    assertEquals(false, _test3.get());
}

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From source file:com.openteach.diamond.network.waverider.slave.DefaultSlaveNode.java

@Override
public boolean start() {
    while (true) {
        try {/* ww w. ja v  a  2  s.c  o m*/
            netWorkClient.start();
            break;
        } catch (Exception e) {
            logger.error(e);
            if (e.getCause() instanceof IOException || e.getCause() instanceof ConnectException) {
                try {
                    logger.error("Can not connect to master , sleep 60s, then try again");
                    Thread.sleep(60 * 1000);
                } catch (InterruptedException ex) {
                    logger.error("OOPSException", ex);
                    Thread.currentThread().interrupt();
                }
                continue;
            }
        }
    }

    masterFailureMonitor.start();
    commandDispatchThread.start();
    heartbeatScheduler.scheduleAtFixedRate(new HeartbeatTask(),
            WaveriderConfig.WAVERIDER_DEFAULT_HEART_BEAT_INTERVAL,
            WaveriderConfig.WAVERIDER_DEFAULT_HEART_BEAT_INTERVAL, TimeUnit.SECONDS);

    return true;
}

---

From source file:io.hops.tensorflow.TimelineHandler.java

public void publishContainerStartEvent(Container container) {
    final TimelineEntity entity = new TimelineEntity();
    entity.setEntityId(container.getId().toString());
    entity.setEntityType(ApplicationMaster.YarntfEntity.YARNTF_CONTAINER.toString());
    entity.setDomainId(domainId);/*from   w w  w.  j  a v  a 2 s  . c om*/
    entity.addPrimaryFilter("user", ugi.getShortUserName());
    TimelineEvent event = new TimelineEvent();
    event.setTimestamp(System.currentTimeMillis());
    event.setEventType(ApplicationMaster.YarntfEvent.YARNTF_CONTAINER_START.toString());
    event.addEventInfo("Node", container.getNodeId().toString());
    event.addEventInfo("Resources", container.getResource().toString());
    entity.addEvent(event);

    try {
        ugi.doAs(new PrivilegedExceptionAction<TimelinePutResponse>() {
            @Override
            public TimelinePutResponse run() throws Exception {
                return timelineClient.putEntities(entity);
            }
        });
    } catch (Exception e) {
        LOG.error("Container start event could not be published for " + container.getId().toString(),
                e instanceof UndeclaredThrowableException ? e.getCause() : e);
    }
}

---

From source file:gov.nih.nci.caarray.application.project.FileUploadUtils.java

/**
 * Uploads a file chunk to a project.// ww  w.  j a v  a  2  s.c om
 * @param project the project the file is being uploaded in to.
 * @param wrapper FileWrapper for the chunk being uploaded.
 */
private void addFileChunk(Project project, FileWrapper wrapper) throws InvalidFileException {
    File file = wrapper.getFile();
    String fileName = wrapper.getFileName();
    try {
        if (!checkDuplicateFilename(project, fileName)) {
            CaArrayFile caArrayFile = getProjectManagementService().addFileChunk(project, file, fileName,
                    wrapper.getTotalFileSize());
            if (caArrayFile.getFileStatus().equals(FileStatus.UPLOADED)) {
                handleLastChunk(project, caArrayFile, fileName, wrapper.isCompressed());
            } else {
                result.setPartialUpload(true);
            }
        }

    } catch (final Exception e) {
        if (e.getCause() instanceof InvalidStateException) {
            result.addConflictingFile(fileName);
        } else {
            throw new InvalidFileException(fileName, "errors.addingFile", result,
                    "Unable to add file tp persistent store", e);
        }
    }

}

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From source file:org.openmrs.module.sync.api.SyncIngestServiceTest.java

/**
 * @see {@link SyncIngestService#processSyncRecord(SyncRecord,RemoteServer)}
 *///w  w w  .j  ava 2 s .c o m
@Test
@Verifies(value = "should log the full stacktrace when it fails", method = "processSyncRecord(SyncRecord,RemoteServer)")
public void processSyncRecord_shouldLogTheFullStacktraceWhenItFails() throws Exception {
    final String recordUuid = "someRandomUuid";
    Throwable t = null;
    try {
        SyncIngestService sis = Context.getService(SyncIngestService.class);
        SyncRecord record = new SyncRecord();
        record.setOriginalUuid(recordUuid);
        //This should force a NPE since server is null
        sis.processSyncRecord(record, null);
    } catch (Exception e) {
        //since sync re throws the exception as a SyncIngestException, 
        //get the actual NPE exception that was thrown
        t = e.getCause();
    }

    Assert.assertNotNull(t);
    Assert.assertTrue(StringUtils.isBlank(t.getMessage()));
    Assert.assertTrue(t instanceof NullPointerException);

    SyncImportRecord importRecord = Context.getService(SyncService.class).getSyncImportRecord(recordUuid);

    Assert.assertNotNull(importRecord);
    Assert.assertFalse(StringUtils.isBlank(importRecord.getErrorMessage()));
}

---

From source file:be.error.rpi.config.RunConfig.java

public synchronized void doWithLucidControl(Integer device, Consumer<LucidControlAO4> consumer) {
    LucidControlAO4 lucidControlAO4 = lucidControlMap.get(device);
    synchronized (lucidControlAO4) {
        try {/*w  ww  .j a va  2s  .  c o  m*/
            consumer.accept(lucidControlAO4);
        } catch (Exception exception) {
            logger.error("Lucid control had IO error, trying to recover", exception.getCause());
            reInitLucidControl(lucidControlAO4);
            doWithLucidControl(device, consumer);
        }
    }
}

---

From source file:com.developmentsprint.spring.breaker.hystrix.HystrixCircuitManager.java

@Override
public Object execute(final Invoker invoker) {

    CircuitBreakerAttribute attr = invoker.getCircuitBreakerAttribute();

    String circuitBreakerName = determineCommandName(attr);
    String circuitBreakerGroup = determineGroupName(attr);
    String threadPoolName = determineThreadPoolName(attr);

    if (!CONFIGURED_BREAKERS.containsKey(circuitBreakerName)) {
        synchronized (circuitBreakerName) {
            if (!CONFIGURED_BREAKERS.containsKey(circuitBreakerName)) {
                for (Map.Entry<String, String> entry : attr.getProperties().entrySet()) {
                    String commandKey = String.format(INSTANCE_COMMAND_PROP_KEY_FORMAT, circuitBreakerName,
                            entry.getKey());
                    configuration.setProperty(commandKey, entry.getValue());
                    String threadPoolKey = String.format(INSTANCE_THREADPOOL_PROP_KEY_FORMAT, threadPoolName,
                            entry.getKey());
                    configuration.setProperty(threadPoolKey, entry.getValue());
                    String collapserKey = String.format(INSTANCE_COLLAPSER_PROP_KEY_FORMAT, threadPoolName,
                            entry.getKey());
                    configuration.setProperty(collapserKey, entry.getValue());
                }/*from   w  w  w.jav a 2s  . c  o m*/
                CONFIGURED_BREAKERS.put(circuitBreakerName, Boolean.TRUE);
            }
        }
    }

    if (log.isDebugEnabled()) {
        StringBuilder builder = new StringBuilder();
        Iterator<String> keyIterator = configuration.getKeys();
        while (keyIterator.hasNext()) {
            String key = keyIterator.next();
            builder.append(System.getProperty("line.separator")).append("\t").append(key).append(" : ")
                    .append(configuration.getString(key));
        }
        log.debug("Configured Hystrix Properties: {}", builder);
    }

    final HystrixFallback<?> fallback = determineFallback(attr);

    log.debug("Creating circuit breaker command '{}' around {}", circuitBreakerName, new Object() {
        public String toString() {
            return invoker.getMethod().toString();
        }
    });

    HystrixCommand.Setter setter = HystrixCommand.Setter
            .withGroupKey(HystrixCommandGroupKey.Factory.asKey(circuitBreakerGroup))
            .andCommandKey(HystrixCommandKey.Factory.asKey(circuitBreakerName))
            .andThreadPoolKey(HystrixThreadPoolKey.Factory.asKey(threadPoolName));

    HystrixCommand<Object> command = new HystrixCommand<Object>(setter) {

        @Override
        protected Object run() throws Exception {
            try {
                return invoker.invoke();
            } catch (Exception e) {
                if (e.getCause() != null && e.getCause() instanceof Exception) {
                    e = ((Exception) e.getCause());
                }
                throw e;
            }
        }

        @Override
        protected Object getFallback() {
            if (fallback == null || fallback instanceof FailFastFallback) {
                return super.getFallback();
            } else if (fallback instanceof FailSilentFallback) {
                return null;
            } else {
                return fallback.fallback();
            }
        }
    };

    try {
        return command.execute();
    } catch (HystrixRuntimeException e) {
        Throwable t = e.getCause();
        if (t instanceof CircuitBreakerException) {
            throw (CircuitBreakerException) t.getCause();
        } else if (t instanceof TimeoutException) {
            throw new CircuitTimeoutException(t.getMessage(), t);
        } else if (t instanceof RejectedExecutionException) {
            throw new CircuitOverloadException(t.getMessage(), t);
        }
        throw new CircuitBreakerException(t);
    }
}

---

From source file:com.paxxis.cornerstone.messaging.service.shell.ServiceShell.java

@SuppressWarnings({ "unchecked", "rawtypes" })
private void doUnbind(String[] vals) throws NamingException {
    String url = "rmi://localhost:" + vals[1];
    String serviceName = vals[0];
    System.out.println("Unbinding " + url + "/" + serviceName);
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
    env.put(Context.PROVIDER_URL, url);

    Context ictx = new InitialContext(env);
    try {//w  ww.j a v a2s.c o m
        ictx.unbind(serviceName);
        System.out.println("Done");
    } catch (Exception ex) {
        System.err.println(ex.getMessage() + ex.getCause().getMessage());
    }
}

---

From source file:csiro.pidsvc.mappingstore.action.ActionProxy.java

@Override
public void run() {
    HttpClient httpClient = new DefaultHttpClient();
    try {//w w  w  .  j  av a2 s  . co  m
        HttpServletRequest originalHttpRequest = _controller.getRequest();
        HttpServletResponse originalHttpResponse = _controller.getResponse();
        HttpGet httpGet = new HttpGet(getExpandedActionValue());

        if (isTraceMode())
            trace(httpGet.getRequestLine().toString());

        // Pass-through HTTP headers.
        HashMap<String, String> hmHeaders = _controller.getHttpHeaders();
        for (String header : hmHeaders.keySet()) {
            httpGet.addHeader(header, hmHeaders.get(header));
            if (isTraceMode())
                trace("\t" + header + ": " + hmHeaders.get(header));
        }

        // Handle X-Original-URI HTTP header.
        if (!hmHeaders.containsKey("X-Original-URI")) {
            String originalUri = originalHttpRequest.getScheme() + "://" + originalHttpRequest.getServerName();
            if (originalHttpRequest.getServerPort() != 80)
                originalUri += ":" + originalHttpRequest.getServerPort();
            originalUri += _controller.getUri().getOriginalUriAsString();

            httpGet.addHeader("X-Original-URI", originalUri);
            if (isTraceMode())
                trace("\tX-Original-URI: " + originalUri);
        }

        // Get the data.
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity entity = response.getEntity();
        if (isTraceMode())
            trace(response.getStatusLine().toString());

        // Pass HTTP headers through.
        if (!isTraceMode())
            originalHttpResponse.setStatus(response.getStatusLine().getStatusCode());
        if (entity.getContentType() != null) {
            if (isTraceMode()) {
                trace("\tContent-Type: " + entity.getContentType().getValue());
                trace("\tContent-Length: " + EntityUtils.toString(entity).getBytes().length);
            } else
                originalHttpResponse.setContentType(entity.getContentType().getValue());
        }

        String headerName;
        for (Header header : response.getAllHeaders()) {
            headerName = header.getName();
            if (headerName.equalsIgnoreCase("Expires") || headerName.equalsIgnoreCase("Cache-Control")
                    || headerName.equalsIgnoreCase("Content-Type") || headerName.equalsIgnoreCase("Set-Cookie")
                    || headerName.equalsIgnoreCase("Transfer-Encoding"))
                continue;
            if (isTraceMode())
                trace("\t" + header.getName() + ": " + header.getValue());
            else
                originalHttpResponse.addHeader(header.getName(), header.getValue());
        }

        // Pass content through.
        if (!isTraceMode())
            originalHttpResponse.getWriter().write(EntityUtils.toString(entity));
    } catch (Exception e) {
        _logger.trace("Exception occurred while proxying HTTP request.", e);
        if (isTraceMode()) {
            Throwable cause = e.getCause();
            trace("Set response status: 500; exception: "
                    + (cause == null ? e.getMessage() : cause.getMessage()));
        } else
            Http.returnErrorCode(_controller.getResponse(), 500, e);
    } finally {
        httpClient.getConnectionManager().shutdown();
    }
}

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