Examples with UnknownHostException java.net.UnknownHostException used on opensource projects

Example 31 with UnknownHostException

use of java.net.UnknownHostException in project grpc-java by grpc.

the class DnsNameResolverTest method shutdownCancelsScheduledRetry.

@Test
public void shutdownCancelsScheduledRetry() throws Exception {
    String name = "foo.googleapis.com";
    UnknownHostException error = new UnknownHostException(name);
    MockResolver resolver = new MockResolver(name, 81, error);
    resolver.start(mockListener);
    assertEquals(1, fakeExecutor.runDueTasks());
    verify(mockListener).onError(statusCaptor.capture());
    assertEquals(name, resolver.invocations.poll());
    Status status = statusCaptor.getValue();
    assertEquals(Status.Code.UNAVAILABLE, status.getCode());
    assertSame(error, status.getCause());
    // Retry scheduled
    assertEquals(1, fakeClock.numPendingTasks());
    // Shutdown cancelled the retry
    resolver.shutdown();
    assertEquals(0, fakeClock.numPendingTasks());
    verifyNoMoreInteractions(mockListener);
}

Example 32 with UnknownHostException

use of java.net.UnknownHostException in project grpc-java by grpc.

the class DnsNameResolverTest method retry.

@Test
public void retry() throws Exception {
    String name = "foo.googleapis.com";
    UnknownHostException error = new UnknownHostException(name);
    InetAddress[] answer = createAddressList(2);
    MockResolver resolver = new MockResolver(name, 81, error, error, answer);
    resolver.start(mockListener);
    assertEquals(1, fakeExecutor.runDueTasks());
    verify(mockListener).onError(statusCaptor.capture());
    assertEquals(name, resolver.invocations.poll());
    Status status = statusCaptor.getValue();
    assertEquals(Status.Code.UNAVAILABLE, status.getCode());
    assertSame(error, status.getCause());
    // First retry scheduled
    assertEquals(1, fakeClock.numPendingTasks());
    fakeClock.forwardMillis(TimeUnit.MINUTES.toMillis(1) - 1);
    assertEquals(1, fakeClock.numPendingTasks());
    // First retry
    fakeClock.forwardMillis(1);
    assertEquals(1, fakeExecutor.runDueTasks());
    verify(mockListener, times(2)).onError(statusCaptor.capture());
    assertEquals(name, resolver.invocations.poll());
    status = statusCaptor.getValue();
    assertEquals(Status.Code.UNAVAILABLE, status.getCode());
    assertSame(error, status.getCause());
    // Second retry scheduled
    assertEquals(1, fakeClock.numPendingTasks());
    fakeClock.forwardMillis(TimeUnit.MINUTES.toMillis(1) - 1);
    assertEquals(1, fakeClock.numPendingTasks());
    // Second retry
    fakeClock.forwardMillis(1);
    assertEquals(0, fakeClock.numPendingTasks());
    assertEquals(1, fakeExecutor.runDueTasks());
    verify(mockListener).onUpdate(resultCaptor.capture(), any(Attributes.class));
    assertEquals(name, resolver.invocations.poll());
    assertAnswerMatches(answer, 81, Iterables.getOnlyElement(resultCaptor.getValue()));
    verifyNoMoreInteractions(mockListener);
}

Example 33 with UnknownHostException

use of java.net.UnknownHostException in project grpc-java by grpc.

the class TestUtils method testServerAddress.

/**
   * Creates a new {@link InetSocketAddress} on localhost that overrides the host with
   * {@link #TEST_SERVER_HOST}.
   */
public static InetSocketAddress testServerAddress(int port) {
    try {
        InetAddress inetAddress = InetAddress.getByName("localhost");
        inetAddress = InetAddress.getByAddress(TEST_SERVER_HOST, inetAddress.getAddress());
        return new InetSocketAddress(inetAddress, port);
    } catch (UnknownHostException e) {
        throw new RuntimeException(e);
    }
}

Example 34 with UnknownHostException

use of java.net.UnknownHostException in project j2objc by google.

the class GaiException method rethrowAsUnknownHostException.

public UnknownHostException rethrowAsUnknownHostException(String detailMessage) throws UnknownHostException {
    UnknownHostException newException = new UnknownHostException(detailMessage);
    newException.initCause(this);
    throw newException;
}

Example 35 with UnknownHostException

use of java.net.UnknownHostException in project newsrob by marianokamp.

the class SyncChangedArticlesStatusJob method doSync.

protected void doSync(final boolean uploadOnly, final boolean manualSync) {
    final EntryManager entryManager = getEntryManager();
    final EntriesRetriever grf = entryManager.getEntriesRetriever();
    final IStorageAdapter fileContextAdapter = entryManager.getStorageAdapter();
    if (entryManager.isModelCurrentlyUpdated())
        return;
    entryManager.lockModel("SSer.doSync");
    PL.log("SynchronizationService. Used settings: " + SettingsRenderer.renderSettings(entryManager, new StringBuilder("\n")), SynchronizationService.this);
    // entryManager.runningThread = new Thread(new Runnable() {
    Throwable caughtThrowable = null;
    // public void run() {
    final Context ctx = getApplicationContext();
    PL.log("SynchronizationService - start", SynchronizationService.this);
    PL.log("Last successful login: " + entryManager.getLastSuccessfulLogin(), SynchronizationService.this);
    // Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
    Process.setThreadPriority(Process.THREAD_PRIORITY_LOWEST);
    Timing t = new Timing("Synchronization Runnable", this);
    long started = System.currentTimeMillis();
    Log.i(TAG, "Synchronization started at " + new Date().toString() + ". started=" + started);
    final SyncJobStatus syncJobStatus = new SyncJobStatus();
    // last used
    long lastUsed = entryManager.getLastUsed();
    ModelUpdateResult result = null;
    try {
        PL.log("Run Mark - in Try", SynchronizationService.this);
        if (!uploadOnly) {
            try {
                if (!Feed.restoreFeedsIfNeccesary(this))
                    Feed.saveFeedSettings(this);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        entryManager.fireModelUpdateStarted("Synchronization", uploadOnly, manualSync);
        List<Job> jobList = new LinkedList<Job>();
        Job deleteReadArticlesJob = new DeleteArticlesJob(SynchronizationService.this, entryManager, syncJobStatus);
        Job reduceToCapacityJob = new ReduceToCapacityJob(SynchronizationService.this, entryManager, syncJobStatus);
        if (!uploadOnly) {
            if (entryManager.shouldReadItemsBeDeleted())
                jobList.add(deleteReadArticlesJob);
            jobList.add(reduceToCapacityJob);
        }
        jobList.add(new Job("Submitting annotated articles", entryManager) {

            @Override
            public void run() throws Exception {
                if (entryManager.syncCurrentlyEnabled(manualSync))
                    entryManager.getEntriesRetriever().submitNotes(this);
            }
        });
        jobList.add(new SyncChangedArticlesStatusJob(SynchronizationService.this, entryManager, syncJobStatus, manualSync));
        if (!uploadOnly && entryManager.shouldReadItemsBeDeleted())
            jobList.add(deleteReadArticlesJob);
        Job removeDeletedNotes = new Job("Removing submitted notes", entryManager) {

            @Override
            public void run() throws Exception {
                if (entryManager.syncCurrentlyEnabled(manualSync))
                    entryManager.getEntriesRetriever().removeDeletedNotes();
            }
        };
        if (!uploadOnly) {
            jobList.add(new Job("Unsubscribing from feeds", entryManager) {

                @Override
                public void run() throws Exception {
                    if (!entryManager.syncCurrentlyEnabled(manualSync))
                        return;
                    Cursor c = entryManager.getFeeds2UnsubscribeCursor();
                    try {
                        while (c.moveToNext()) {
                            String feedAtomId = c.getString(1);
                            PL.log("Unsubscribing: " + feedAtomId, SynchronizationService.this);
                            entryManager.getEntriesRetriever().unsubscribeFeed(feedAtomId);
                        }
                    } finally {
                        c.close();
                    }
                }
            });
        }
        if (!uploadOnly)
            jobList.add(removeDeletedNotes);
        if (!uploadOnly)
            jobList.add(new FetchUnreadArticlesJob(SynchronizationService.this, entryManager, syncJobStatus, manualSync));
        if (!uploadOnly)
            jobList.add(new Job("Daily update of subscriptions (feed titles)", entryManager) {

                @Override
                public void run() throws IOException, ParserConfigurationException, SAXException, GRTokenExpiredException {
                    if (entryManager.syncCurrentlyEnabled(manualSync)) {
                        grf.updateSubscriptionList(entryManager, this);
                        entryManager.fireModelUpdated();
                    }
                }
            });
        if (!uploadOnly)
            jobList.add(reduceToCapacityJob);
        if (!uploadOnly && entryManager.shouldReadItemsBeDeleted())
            jobList.add(deleteReadArticlesJob);
        if (!uploadOnly) {
            // make sure that a manual sync moves the automatic sync
            // forward,
            // i.e. when pushing "Refresh" in the middle of a 24h sync,
            // reset timer to 0, so that it will be another 24h from this
            // point on
            entryManager.getScheduler().resetBackgroundSchedule();
            final float screenSizeFactor = getScreenSizeFactor(ctx);
            final float previewScaleFactor = ctx.getResources().getDisplayMetrics().density;
            jobList.add(new Job("Downloading articles", entryManager) {

                private int currentArticle = 0;

                private Collection<Long> entries2Download;

                @Override
                public void run() {
                    if (entryManager.getSharedPreferences().getString(EntryManager.SETTINGS_STORAGE_ASSET_DOWNLOAD, EntryManager.DOWNLOAD_YES).equals(EntryManager.DOWNLOAD_NO)) {
                        Log.d(TAG, "Downloading of assets is disabled in the settings. Therefore skipping downloading webpages.");
                        return;
                    }
                    Timing tSql = new Timing("SQL Query findAllToDownload", SynchronizationService.this);
                    entries2Download = entryManager.findAllArticleIds2Download();
                    tSql.stop();
                    Timing tOutter = new Timing("Downloading all " + entries2Download.size() + " pages or well, the ones that were downloaded", SynchronizationService.this);
                    for (Long articleId : entries2Download) {
                        // get the current data
                        // LATER use a real cursor and somehow find out when
                        // data became stale
                        Entry entry = entryManager.findArticleById(articleId);
                        if (entry == null)
                            continue;
                        if (!entryManager.downloadContentCurrentlyEnabled(manualSync))
                            return;
                        if (!fileContextAdapter.canWrite()) {
                            Log.d(TAG, "File context adapter (" + fileContextAdapter.getClass().getName() + ") cannot be written to at the moment. Mounted? Read Only? Not downloading web pages.");
                            return;
                        }
                        if (isCancelled())
                            break;
                        // System.out.println("----------------- " +
                        // entry.getTitle());
                        currentArticle++;
                        entryManager.fireStatusUpdated();
                        // ones
                        if (entry.getReadState() == ReadState.READ && !entry.isStarred() && !entry.isNote())
                            continue;
                        int resolvedDownloadPref = entry.getResolvedDownloadPref(entryManager);
                        if (resolvedDownloadPref == Feed.DOWNLOAD_HEADERS_ONLY) {
                            continue;
                        }
                        // check against the db, because in the
                        // meantime
                        // the
                        // read status might have changed
                        Timing tInner = new Timing("Downloading page " + entry.getAlternateHRef(), SynchronizationService.this);
                        try {
                            // check free space
                            float freeSpaceLeft = fileContextAdapter.megaBytesFree();
                            Log.d(TAG, String.format("Free space remaining for downloads: %.2f MB.", freeSpaceLeft));
                            if (freeSpaceLeft < 0) {
                                PL.log(TAG + ": Oh no, free space left is a negative value ;-( Ignoring it.", ctx);
                            } else if (freeSpaceLeft < fileContextAdapter.megaBytesThreshold()) {
                                PL.log(TAG + ": Not enough space left to download page.", ctx);
                                entryManager.getNewsRobNotificationManager().createSyncSpaceExceededProblemNotification(fileContextAdapter.megaBytesThreshold());
                                break;
                            }
                            boolean downloadTheWholePage = (resolvedDownloadPref == Feed.DOWNLOAD_PREF_FEED_AND_MOBILE_WEBPAGE || resolvedDownloadPref == Feed.DOWNLOAD_PREF_FEED_AND_WEBPAGE);
                            String summary = entry.getContent() != null ? entry.getContent() : UIHelper.linkize(entry.getAlternateHRef(), entry.getTitle());
                            WebPageDownloadDirector.downloadWebPage(entry.getShortAtomId(), new URL(entry.getBaseUrl(entryManager)), fileContextAdapter, this, summary, downloadTheWholePage, entryManager, manualSync);
                            if (true) {
                                File assetsDir = entry.getAssetsDir(entryManager);
                                System.out.println("generatePreview=" + new PreviewGenerator(ctx, assetsDir, (int) (100 * previewScaleFactor * screenSizeFactor), (int) (100 * previewScaleFactor * screenSizeFactor), (int) (6 * previewScaleFactor)).generatePreview());
                            }
                            // TODO
                            // only
                            // one
                            // instance
                            // TODO use display metrics?
                            // TODO use orientation? Larger thumbs for
                            // larger screens?
                            entry.setDownloaded(downloadTheWholePage ? Entry.STATE_DOWNLOADED_FULL_PAGE : Entry.STATE_DOWNLOADED_FEED_CONTENT);
                            entry.setError(null);
                            entryManager.fireModelUpdated();
                        } catch (Exception e) {
                            Log.e(TAG, "Problem dowloading page " + entry.getAlternateHRef() + ".", e);
                            Throwable cause = null;
                            if (e instanceof DownloadException) {
                                cause = ((DownloadException) e).getCause();
                                Log.d(TAG, "DownloadException cause=" + cause);
                            } else
                                Log.d(TAG, "Exception=" + e);
                            boolean downloadError = false;
                            if (e instanceof DownloadCancelledException || cause != null && (cause instanceof FileNotFoundException || cause instanceof SocketTimeoutException || cause instanceof SocketException || cause instanceof NoHttpResponseException || cause instanceof UnknownHostException || cause instanceof DownloadCancelledException || cause instanceof DownloadTimedOutException)) {
                                Log.d(TAG, "Caught a FNFE");
                            } else {
                                Log.d(TAG, "Marked download as error.");
                                downloadError = true;
                            }
                            StringBuilder renderedStackTrace = new StringBuilder();
                            U.renderStackTrace(e, renderedStackTrace);
                            entry.setError(cause != null ? "Cause: " + cause.getClass().getSimpleName() + ": " + cause.getMessage() : e.getClass().getSimpleName() + ": " + e.getMessage() + "\nStacktrace: " + renderedStackTrace);
                            entry.setDownloaded(downloadError ? Entry.STATE_DOWNLOAD_ERROR : Entry.STATE_NOT_DOWNLOADED);
                        }
                        entryManager.updatedDownloaded(entry);
                        tInner.stop();
                    }
                    tOutter.stop();
                }

                @Override
                public boolean isProgressMeassurable() {
                    return true;
                }

                @Override
                public int[] getProgress() {
                    return new int[] { currentArticle, entries2Download != null ? entries2Download.size() : 0 };
                }
            });
        }
        PL.log("Run Mark - Jobs added", this);
        entryManager.runJobs(jobList);
        Log.d(TAG, "NoOfEntriesUpdated=" + syncJobStatus.noOfEntriesUpdated);
        Log.d(TAG, "NoOfEntriesFetched=" + syncJobStatus.noOfEntriesFetched);
        PL.log("Run Mark - Mission accomplished. -> complete ", this);
        result = new SynchronizeModelSucceeded(syncJobStatus.noOfEntriesUpdated);
    } catch (Throwable throwable) {
        result = new SynchronizeModelFailed(throwable);
        Log.d(TAG, "Problem during synchronization.", throwable);
    } finally {
        PL.log("Run Mark - In Finally", this);
        entryManager.unlockModel("SSer.doSync");
        entryManager.clearCancelState();
        entryManager.fireModelUpdateFinished(result);
        entryManager.fireStatusUpdated();
        Log.i(TAG, "Synchronization finished at " + new Date().toString() + ". started=" + started);
        t.stop();
        if (!uploadOnly)
            entryManager.setLastSync(caughtThrowable == null);
        int noOfNewArticles = entryManager.getNoOfNewArticlesSinceLastUsed(lastUsed);
        entryManager.getNewsRobNotificationManager().notifyNewArticles(entryManager, lastUsed, noOfNewArticles);
        PL.log("Run Mark - End of Finally", this);
        resetLastStarted();
        releaseWakeLock();
    }
}