Examples with NoSuchFileException java.nio.file.NoSuchFileException used on opensource projects

Example 6 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project elasticsearch by elastic.

the class BlobStoreRepository method getRepositoryData.

@Override
public RepositoryData getRepositoryData() {
    try {
        final long indexGen = latestIndexBlobId();
        final String snapshotsIndexBlobName = INDEX_FILE_PREFIX + Long.toString(indexGen);
        RepositoryData repositoryData;
        try (InputStream blob = snapshotsBlobContainer.readBlob(snapshotsIndexBlobName)) {
            BytesStreamOutput out = new BytesStreamOutput();
            Streams.copy(blob, out);
            // EMPTY is safe here because RepositoryData#fromXContent calls namedObject
            try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY, out.bytes())) {
                repositoryData = RepositoryData.snapshotsFromXContent(parser, indexGen);
            } catch (NotXContentException e) {
                logger.warn("[{}] index blob is not valid x-content [{} bytes]", snapshotsIndexBlobName, out.bytes().length());
                throw e;
            }
        }
        // now load the incompatible snapshot ids, if they exist
        try (InputStream blob = snapshotsBlobContainer.readBlob(INCOMPATIBLE_SNAPSHOTS_BLOB)) {
            BytesStreamOutput out = new BytesStreamOutput();
            Streams.copy(blob, out);
            try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY, out.bytes())) {
                repositoryData = repositoryData.incompatibleSnapshotsFromXContent(parser);
            }
        } catch (NoSuchFileException e) {
            logger.debug("[{}] Incompatible snapshots blob [{}] does not exist, the likely reason is that " + "there are no incompatible snapshots in the repository", metadata.name(), INCOMPATIBLE_SNAPSHOTS_BLOB);
        }
        return repositoryData;
    } catch (NoSuchFileException ex) {
        // repository doesn't have an index blob, its a new blank repo
        return RepositoryData.EMPTY;
    } catch (IOException ioe) {
        throw new RepositoryException(metadata.name(), "could not read repository data from index blob", ioe);
    }
}

Example 7 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project elasticsearch by elastic.

the class URLBlobStoreTests method testNoBlobFound.

public void testNoBlobFound() throws IOException {
    BlobContainer container = urlBlobStore.blobContainer(BlobPath.cleanPath().add("indices"));
    String incorrectBlobName = "incorrect_" + blobName;
    try (InputStream ignored = container.readBlob(incorrectBlobName)) {
        fail("Should have thrown NoSuchFileException exception");
        ignored.read();
    } catch (NoSuchFileException e) {
        assertEquals(String.format("[%s] blob not found", incorrectBlobName), e.getMessage());
    }
}

Example 8 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project elasticsearch by elastic.

the class FileBasedUnicastHostsProvider method buildDynamicNodes.

@Override
public List<DiscoveryNode> buildDynamicNodes() {
    List<String> hostsList;
    try (Stream<String> lines = Files.lines(unicastHostsFilePath)) {
        hostsList = // lines starting with `#` are comments
        lines.filter(line -> line.startsWith("#") == false).collect(Collectors.toList());
    } catch (FileNotFoundException | NoSuchFileException e) {
        logger.warn((Supplier<?>) () -> new ParameterizedMessage("[discovery-file] Failed to find unicast hosts file [{}]", unicastHostsFilePath), e);
        hostsList = Collections.emptyList();
    } catch (IOException e) {
        logger.warn((Supplier<?>) () -> new ParameterizedMessage("[discovery-file] Error reading unicast hosts file [{}]", unicastHostsFilePath), e);
        hostsList = Collections.emptyList();
    }
    final List<DiscoveryNode> discoNodes = new ArrayList<>();
    try {
        discoNodes.addAll(resolveHostsLists(executorService, logger, hostsList, 1, transportService, UNICAST_HOST_PREFIX, resolveTimeout));
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
    logger.debug("[discovery-file] Using dynamic discovery nodes {}", discoNodes);
    return discoNodes;
}

Example 9 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project elasticsearch by elastic.

the class StreamInput method readException.

public <T extends Exception> T readException() throws IOException {
    if (readBoolean()) {
        int key = readVInt();
        switch(key) {
            case 0:
                final int ord = readVInt();
                return (T) ElasticsearchException.readException(this, ord);
            case 1:
                String msg1 = readOptionalString();
                String resource1 = readOptionalString();
                return (T) readStackTrace(new CorruptIndexException(msg1, resource1, readException()), this);
            case 2:
                String resource2 = readOptionalString();
                int version2 = readInt();
                int minVersion2 = readInt();
                int maxVersion2 = readInt();
                return (T) readStackTrace(new IndexFormatTooNewException(resource2, version2, minVersion2, maxVersion2), this);
            case 3:
                String resource3 = readOptionalString();
                if (readBoolean()) {
                    int version3 = readInt();
                    int minVersion3 = readInt();
                    int maxVersion3 = readInt();
                    return (T) readStackTrace(new IndexFormatTooOldException(resource3, version3, minVersion3, maxVersion3), this);
                } else {
                    String version3 = readOptionalString();
                    return (T) readStackTrace(new IndexFormatTooOldException(resource3, version3), this);
                }
            case 4:
                return (T) readStackTrace(new NullPointerException(readOptionalString()), this);
            case 5:
                return (T) readStackTrace(new NumberFormatException(readOptionalString()), this);
            case 6:
                return (T) readStackTrace(new IllegalArgumentException(readOptionalString(), readException()), this);
            case 7:
                return (T) readStackTrace(new AlreadyClosedException(readOptionalString(), readException()), this);
            case 8:
                return (T) readStackTrace(new EOFException(readOptionalString()), this);
            case 9:
                return (T) readStackTrace(new SecurityException(readOptionalString(), readException()), this);
            case 10:
                return (T) readStackTrace(new StringIndexOutOfBoundsException(readOptionalString()), this);
            case 11:
                return (T) readStackTrace(new ArrayIndexOutOfBoundsException(readOptionalString()), this);
            case 12:
                return (T) readStackTrace(new FileNotFoundException(readOptionalString()), this);
            case 13:
                final int subclass = readVInt();
                final String file = readOptionalString();
                final String other = readOptionalString();
                final String reason = readOptionalString();
                // skip the msg - it's composed from file, other and reason
                readOptionalString();
                final Exception exception;
                switch(subclass) {
                    case 0:
                        exception = new NoSuchFileException(file, other, reason);
                        break;
                    case 1:
                        exception = new NotDirectoryException(file);
                        break;
                    case 2:
                        exception = new DirectoryNotEmptyException(file);
                        break;
                    case 3:
                        exception = new AtomicMoveNotSupportedException(file, other, reason);
                        break;
                    case 4:
                        exception = new FileAlreadyExistsException(file, other, reason);
                        break;
                    case 5:
                        exception = new AccessDeniedException(file, other, reason);
                        break;
                    case 6:
                        exception = new FileSystemLoopException(file);
                        break;
                    case 7:
                        exception = new FileSystemException(file, other, reason);
                        break;
                    default:
                        throw new IllegalStateException("unknown FileSystemException with index " + subclass);
                }
                return (T) readStackTrace(exception, this);
            case 14:
                return (T) readStackTrace(new IllegalStateException(readOptionalString(), readException()), this);
            case 15:
                return (T) readStackTrace(new LockObtainFailedException(readOptionalString(), readException()), this);
            case 16:
                return (T) readStackTrace(new InterruptedException(readOptionalString()), this);
            case 17:
                return (T) readStackTrace(new IOException(readOptionalString(), readException()), this);
            default:
                assert false : "no such exception for id: " + key;
        }
    }
    return null;
}

Example 10 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project buck by facebook.

the class MoreFiles method concatenateFiles.

/**
   * Concatenates the contents of one or more files.
   *
   * @param dest The path to which the concatenated files' contents are written.
   * @param pathsToConcatenate The paths whose contents are concatenated to {@code dest}.
   *
   * @return {@code true} if any data was concatenated to {@code dest}, {@code false} otherwise.
   */
public static boolean concatenateFiles(Path dest, Iterable<Path> pathsToConcatenate) throws IOException {
    // Concatenate all the logs to a temp file, then atomically rename it to the
    // passed-in concatenatedPath if any log data was collected.
    String tempFilename = "." + dest.getFileName() + ".tmp." + UUID.randomUUID().toString();
    Path tempPath = dest.resolveSibling(tempFilename);
    try {
        long bytesCollected = 0;
        try (OutputStream os = Files.newOutputStream(tempPath, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)) {
            for (Path path : pathsToConcatenate) {
                try (InputStream is = Files.newInputStream(path)) {
                    bytesCollected += ByteStreams.copy(is, os);
                } catch (NoSuchFileException e) {
                    continue;
                }
            }
        }
        if (bytesCollected > 0) {
            Files.move(tempPath, dest, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
            return true;
        } else {
            return false;
        }
    } finally {
        Files.deleteIfExists(tempPath);
    }
}