Examples with AlluxioException alluxio.exception.AlluxioException used on opensource projects

Example 16 with AlluxioException

use of alluxio.exception.AlluxioException in project alluxio by Alluxio.

the class BlockMasterSync method registerWithMaster.

/**
   * Registers with the Alluxio master. This should be called before the continuous heartbeat thread
   * begins.
   *
   * @throws IOException when workerId cannot be found
   * @throws ConnectionFailedException if network connection failed
   */
private void registerWithMaster() throws IOException, ConnectionFailedException {
    BlockStoreMeta storeMeta = mBlockWorker.getStoreMetaFull();
    try {
        StorageTierAssoc storageTierAssoc = new WorkerStorageTierAssoc();
        mMasterClient.register(mWorkerId.get(), storageTierAssoc.getOrderedStorageAliases(), storeMeta.getCapacityBytesOnTiers(), storeMeta.getUsedBytesOnTiers(), storeMeta.getBlockList());
    } catch (IOException e) {
        LOG.error("Failed to register with master.", e);
        throw e;
    } catch (AlluxioException e) {
        LOG.error("Failed to register with master.", e);
        throw new IOException(e);
    }
}

Example 17 with AlluxioException

use of alluxio.exception.AlluxioException in project alluxio by Alluxio.

the class WebInterfaceWorkerBlockInfoServlet method doGet.

/**
   * Populates attributes before redirecting to a jsp.
   *
   * @param request the {@link HttpServletRequest} object
   * @param response the {@link HttpServletResponse} object
   * @throws ServletException if the target resource throws this exception
   * @throws IOException if the target resource throws this exception
   */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    request.setAttribute("fatalError", "");
    String filePath = request.getParameter("path");
    if (!(filePath == null || filePath.isEmpty())) {
        // Display file block info
        try {
            UIFileInfo uiFileInfo = getUiFileInfo(new AlluxioURI(filePath));
            List<ImmutablePair<String, List<UIFileBlockInfo>>> fileBlocksOnTier = new ArrayList<>();
            for (Entry<String, List<UIFileBlockInfo>> e : uiFileInfo.getBlocksOnTier().entrySet()) {
                fileBlocksOnTier.add(new ImmutablePair<>(e.getKey(), e.getValue()));
            }
            request.setAttribute("fileBlocksOnTier", fileBlocksOnTier);
            request.setAttribute("blockSizeBytes", uiFileInfo.getBlockSizeBytes());
            request.setAttribute("path", filePath);
            getServletContext().getRequestDispatcher("/worker/viewFileBlocks.jsp").forward(request, response);
            return;
        } catch (FileDoesNotExistException e) {
            request.setAttribute("fatalError", "Error: Invalid Path " + e.getMessage());
            getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
            return;
        } catch (IOException e) {
            request.setAttribute("invalidPathError", "Error: File " + filePath + " is not available " + e.getMessage());
            getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
            return;
        } catch (BlockDoesNotExistException e) {
            request.setAttribute("fatalError", "Error: block not found. " + e.getMessage());
            getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
            return;
        } catch (AlluxioException e) {
            request.setAttribute("fatalError", "Error: alluxio exception. " + e.getMessage());
            getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
            return;
        }
    }
    List<Long> fileIds = getSortedFileIds();
    request.setAttribute("nTotalFile", fileIds.size());
    request.setAttribute("orderedTierAliases", new WorkerStorageTierAssoc().getOrderedStorageAliases());
    // URL can not determine offset and limit, let javascript in jsp determine and redirect
    if (request.getParameter("offset") == null && request.getParameter("limit") == null) {
        getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
        return;
    }
    try {
        int offset = Integer.parseInt(request.getParameter("offset"));
        int limit = Integer.parseInt(request.getParameter("limit"));
        List<Long> subFileIds = fileIds.subList(offset, offset + limit);
        List<UIFileInfo> uiFileInfos = new ArrayList<>(subFileIds.size());
        for (long fileId : subFileIds) {
            try {
                uiFileInfos.add(getUiFileInfo(fileId));
            } catch (IOException e) {
                // The file might have been deleted, log a warning and ignore this file.
                LOG.warn("Unable to get file info for fileId {}. {}", fileId, e.getMessage());
            }
        }
        request.setAttribute("fileInfos", uiFileInfos);
    } catch (FileDoesNotExistException e) {
        request.setAttribute("fatalError", "Error: Invalid FileId " + e.getMessage());
        getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
        return;
    } catch (NumberFormatException e) {
        request.setAttribute("fatalError", "Error: offset or limit parse error, " + e.getLocalizedMessage());
        getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
        return;
    } catch (IndexOutOfBoundsException e) {
        request.setAttribute("fatalError", "Error: offset or offset + limit is out of bound, " + e.getLocalizedMessage());
        getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
        return;
    } catch (IllegalArgumentException | AlluxioException e) {
        request.setAttribute("fatalError", e.getLocalizedMessage());
        getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
        return;
    }
    getServletContext().getRequestDispatcher("/worker/blockInfo.jsp").forward(request, response);
}

Example 18 with AlluxioException

use of alluxio.exception.AlluxioException in project alluxio by Alluxio.

the class FileWorkerMasterSyncExecutor method heartbeat.

@Override
public void heartbeat() {
    List<Long> persistedFiles = mFileDataManager.getPersistedFiles();
    if (!persistedFiles.isEmpty()) {
        LOG.info("files {} persisted", persistedFiles);
    }
    FileSystemCommand command;
    try {
        command = mMasterClient.heartbeat(mWorkerId.get(), persistedFiles);
    } catch (IOException | AlluxioException e) {
        LOG.error("Failed to heartbeat to master", e);
        return;
    }
    // removes the persisted files that are confirmed
    mFileDataManager.clearPersistedFiles(persistedFiles);
    if (command == null) {
        LOG.error("The command sent from master is null");
        return;
    } else if (command.getCommandType() != CommandType.Persist) {
        LOG.error("The command sent from master should be PERSIST type, but was {}", command.getCommandType());
        return;
    }
    for (PersistFile persistFile : command.getCommandOptions().getPersistOptions().getPersistFiles()) {
        // Enqueue the persist request.
        mPersistFileService.execute(new FilePersister(mFileDataManager, persistFile.getFileId(), persistFile.getBlockIds()));
    }
}

Example 19 with AlluxioException

use of alluxio.exception.AlluxioException in project alluxio by Alluxio.

the class AlluxioFuseFileSystem method getattr.

/**
   * Retrieves file attributes.
   *
   * @param path The path on the FS of the file
   * @param stat FUSE data structure to fill with file attrs
   * @return 0 on success, negative value on error
   */
@Override
public int getattr(String path, FileStat stat) {
    final AlluxioURI turi = mPathResolverCache.getUnchecked(path);
    LOG.trace("getattr({}) [Alluxio: {}]", path, turi);
    try {
        if (!mFileSystem.exists(turi)) {
            return -ErrorCodes.ENOENT();
        }
        final URIStatus status = mFileSystem.getStatus(turi);
        stat.st_size.set(status.getLength());
        final long ctime_sec = status.getLastModificationTimeMs() / 1000;
        //keeps only the "residual" nanoseconds not caputred in
        // citme_sec
        final long ctime_nsec = (status.getLastModificationTimeMs() % 1000) * 1000;
        stat.st_ctim.tv_sec.set(ctime_sec);
        stat.st_ctim.tv_nsec.set(ctime_nsec);
        stat.st_mtim.tv_sec.set(ctime_sec);
        stat.st_mtim.tv_nsec.set(ctime_nsec);
        // TODO(andreareale): understand how to map FileInfo#getOwner()
        // and FileInfo#getGroup() to UIDs and GIDs of the node
        // where alluxio-fuse is mounted.
        // While this is not done, just use uid and gid of the user
        // running alluxio-fuse.
        stat.st_uid.set(UID_AND_GID[0]);
        stat.st_gid.set(UID_AND_GID[1]);
        final int mode;
        if (status.isFolder()) {
            mode = FileStat.S_IFDIR;
        } else {
            mode = FileStat.S_IFREG;
        }
        stat.st_mode.set(mode);
    } catch (InvalidPathException e) {
        LOG.debug("Invalid path {}", path, e);
        return -ErrorCodes.ENOENT();
    } catch (FileDoesNotExistException e) {
        LOG.debug("File does not exist {}", path, e);
        return -ErrorCodes.ENOENT();
    } catch (IOException e) {
        LOG.error("IOException on {}", path, e);
        return -ErrorCodes.EIO();
    } catch (AlluxioException e) {
        LOG.error("AlluxioException on {}", path, e);
        return -ErrorCodes.EFAULT();
    } catch (Throwable e) {
        LOG.error("Unexpected exception on {}", path, e);
        return -ErrorCodes.EFAULT();
    }
    return 0;
}

Example 20 with AlluxioException

use of alluxio.exception.AlluxioException in project alluxio by Alluxio.

the class AlluxioFuseFileSystem method rmInternal.

/**
   * Convenience internal method to remove files or directories.
   *
   * @param path The path to remove
   * @param mustBeFile When true, returns an error when trying to
   *                   remove a directory
   * @return 0 on success, a negative value on error
   */
private int rmInternal(String path, boolean mustBeFile) {
    final AlluxioURI turi = mPathResolverCache.getUnchecked(path);
    try {
        if (!mFileSystem.exists(turi)) {
            LOG.error("File {} does not exist", turi);
            return -ErrorCodes.ENOENT();
        }
        final URIStatus status = mFileSystem.getStatus(turi);
        if (mustBeFile && status.isFolder()) {
            LOG.error("File {} is a directory", turi);
            return -ErrorCodes.EISDIR();
        }
        mFileSystem.delete(turi);
    } catch (FileDoesNotExistException e) {
        LOG.debug("File does not exist {}", path, e);
        return -ErrorCodes.ENOENT();
    } catch (IOException e) {
        LOG.error("IOException on {}", path, e);
        return -ErrorCodes.EIO();
    } catch (AlluxioException e) {
        LOG.error("AlluxioException on {}", path, e);
        return -ErrorCodes.EFAULT();
    } catch (Throwable e) {
        LOG.error("Unexpected exception on {}", path, e);
        return -ErrorCodes.EFAULT();
    }
    return 0;
}