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

Example 1 with ServiceNotFoundException

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

the class AbstractClient method connect.

/**
 * Connects with the remote.
 */
@Override
public synchronized void connect() throws AlluxioStatusException {
    if (mConnected) {
        return;
    }
    disconnect();
    Preconditions.checkState(!mClosed, "Client is closed, will not try to connect.");
    IOException lastConnectFailure = null;
    RetryPolicy retryPolicy = mRetryPolicySupplier.get();
    while (retryPolicy.attempt()) {
        if (mClosed) {
            throw new FailedPreconditionException("Failed to connect: client has been closed");
        }
        // failover).
        try {
            mAddress = getAddress();
        } catch (UnavailableException e) {
            LOG.debug("Failed to determine {} rpc address ({}): {}", getServiceName(), retryPolicy.getAttemptCount(), e.toString());
            continue;
        }
        try {
            beforeConnect();
            LOG.debug("Alluxio client (version {}) is trying to connect with {} @ {}", RuntimeConstants.VERSION, getServiceName(), mAddress);
            mChannel = GrpcChannelBuilder.newBuilder(GrpcServerAddress.create(mAddress), mContext.getClusterConf()).setSubject(mContext.getSubject()).setClientType(getServiceName()).build();
            // Create stub for version service on host
            mVersionService = ServiceVersionClientServiceGrpc.newBlockingStub(mChannel);
            mConnected = true;
            afterConnect();
            checkVersion(getServiceVersion());
            LOG.debug("Alluxio client (version {}) is connected with {} @ {}", RuntimeConstants.VERSION, getServiceName(), mAddress);
            return;
        } catch (IOException e) {
            LOG.debug("Failed to connect ({}) with {} @ {}", retryPolicy.getAttemptCount(), getServiceName(), mAddress, e);
            lastConnectFailure = e;
            if (e instanceof UnauthenticatedException) {
                // If there has been a failure in opening GrpcChannel, it's possible because
                // the authentication credential has expired. Relogin.
                mContext.getUserState().relogin();
            }
            if (e instanceof NotFoundException) {
                // service is not found in the server, skip retry
                break;
            }
        }
    }
    if (mChannel != null) {
        mChannel.shutdown();
    }
    if (mAddress == null) {
        throw new UnavailableException(String.format("Failed to determine address for %s after %s attempts", getServiceName(), retryPolicy.getAttemptCount()));
    }
    /*
     * Throw as-is if {@link UnauthenticatedException} occurred.
     */
    if (lastConnectFailure instanceof UnauthenticatedException) {
        throw (AlluxioStatusException) lastConnectFailure;
    }
    if (lastConnectFailure instanceof NotFoundException) {
        throw new NotFoundException(lastConnectFailure.getMessage(), new ServiceNotFoundException(lastConnectFailure.getMessage(), lastConnectFailure));
    }
    throw new UnavailableException(String.format("Failed to connect to master (%s) after %s attempts." + "Please check if Alluxio master is currently running on \"%s\". Service=\"%s\"", mAddress, retryPolicy.getAttemptCount(), mAddress, getServiceName()), lastConnectFailure);
}