org.apache.thrift.transport.TServerTransport Java Examples

/**
 * 阻塞式、多线程处理
 *
 * @param args
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void main(String[] args) {
    try {
        int port = Integer.valueOf(prop.get("dkml.port"));
        //设置传输通道，普通通道
        TServerTransport serverTransport = new TServerSocket(port);
        //使用高密度二进制协议
        TProtocolFactory proFactory = new TCompactProtocol.Factory();
        //设置处理器
        TProcessor processor = new DKML.Processor(new DKMLImpl());
        //创建服务器
        TServer server = new TThreadPoolServer(
                new TThreadPoolServer.Args(serverTransport)
                        .protocolFactory(proFactory)
                        .processor(processor)
        );

        System.out.println("Start server on port "+ port +"...");
        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@BeforeClass
public static void setUp() {
    int port = 9090;

    try {
        TServerTransport serverTransport = new TServerSocket(port);

        Args processor = new TThreadPoolServer.Args(serverTransport)
                .inputTransportFactory(new TFramedTransport.Factory())
                .outputTransportFactory(new TFramedTransport.Factory())
                .processor(new Processor<>(new TestThriftServiceHandler()));
        //            processor.maxWorkerThreads = 20;
        TThreadPoolServer server = new TThreadPoolServer(processor);

        logger.info("Starting test server...");
        new Thread(server::serve).start();
        Thread.sleep(1000); // waiting server init
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

private void startNewThreadPoolServer() throws Exception {
  final TServerTransport transport = new TServerSocket(port);
  final TProtocolFactory protocolFactory = new TBinaryProtocol.Factory();
  // TTransportFactory transportFactory = new TFramedTransport.Factory();

  final CustomHandler customHandler = new CustomHandler();
  final TProcessor customProcessor = new CustomService.Processor<CustomService.Iface>(customHandler);

  final TThreadPoolServer.Args args = new TThreadPoolServer.Args(transport)
    .processorFactory(new TProcessorFactory(customProcessor))
    .protocolFactory(protocolFactory)
    // .transportFactory(transportFactory)
    .minWorkerThreads(5)
    // .executorService(Executors.newCachedThreadPool())
    .maxWorkerThreads(10);

  server = new TThreadPoolServer(args);
  new Thread(new Runnable() {
    @Override
    public void run() {
      server.serve();
    }
  }).start();
}
 

public static void main(final String[] args) throws Exception {
  final CountDownLatch latch = TestUtil.initExpectedSpanLatch(2);
  final TServerTransport serverTransport = new TServerSocket(port);
  final TServer server = startNewThreadPoolServer(serverTransport);

  final TTransport transport = new TSocket("localhost", port);
  transport.open();

  final TProtocol protocol = new TBinaryProtocol(transport);

  final CustomService.Client client = new CustomService.Client(protocol);
  final String res = client.say("one", "two");
  if (!"Say one two".equals(res))
    throw new AssertionError("ERROR: wrong result");

  TestUtil.checkSpan(latch, new ComponentSpanCount("java-thrift", 2, true));

  server.stop();
  transport.close();
}
 

private static TServer startNewThreadPoolServer(final TServerTransport transport) {
  final TProtocolFactory protocolFactory = new TBinaryProtocol.Factory();

  final CustomHandler customHandler = new CustomHandler();
  final CustomService.Processor<CustomService.Iface> customProcessor = new CustomService.Processor<CustomService.Iface>(customHandler);

  final TThreadPoolServer.Args args = new TThreadPoolServer
    .Args(transport)
    .processorFactory(new TProcessorFactory(customProcessor))
    .protocolFactory(protocolFactory)
    .minWorkerThreads(5)
    .maxWorkerThreads(10);

  final TServer server = new TThreadPoolServer(args);
  new Thread(new Runnable() {
    @Override
    public void run() {
      server.serve();
    }
  }).start();

  return server;
}
 

public static void main(String[] args) {
    int port = 9090;

    try {
        TServerTransport serverTransport = new TServerSocket(port);

        Args processor = new TThreadPoolServer.Args(serverTransport)
                .inputTransportFactory(new TFramedTransport.Factory())
                .outputTransportFactory(new TFramedTransport.Factory())
                .processor(new Processor<>(new TestThriftServiceHandler()));
        //            processor.maxWorkerThreads = 20;
        TThreadPoolServer server = new TThreadPoolServer(processor);

        System.out.println("Starting the server...");
        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Bean(name = "pool-server")
public TServer poolServer() throws Exception {
	TServerTransport transport = new TServerSocket(this.port());

	TThreadPoolServer.Args args = new TThreadPoolServer.Args(transport);
	args.transportFactory(new TTransportFactory());
	args.protocolFactory(new TBinaryProtocol.Factory());

	args.processor(this.processor());
	args.executorService(new ThreadPoolExecutor(env.getProperty(
			"rpc.server.min.worker.threads", Integer.class, 512), env
			.getProperty("rpc.server.max.worker.threads", Integer.class,
					65535), env.getProperty(
			"rpc.server.thread.keep.alive.time", Long.class, 600l),
			TimeUnit.SECONDS, new SynchronousQueue<Runnable>()));

	return new TThreadPoolServer(args);
}
 

public static void main(String[] args) 
       throws TTransportException, UnsupportedEncodingException {
    final String msg = "Hello Thrift!\n";
    final String stop_cmd = "STOP";
    final int buf_size = 1024*8;
    byte[] buf = new byte[buf_size];
    final int port = 9090;

    TServerTransport acceptor = new TServerSocket(9090);
    acceptor.listen();
    System.out.println("[Server] listening on port: " + port);
    
    String input;
    do {
        TTransport trans = acceptor.accept();
        int len = trans.read(buf, 0, buf_size);
        input = new String(buf, 0, len,"UTF-8");
        System.out.println("[Server] handling request: " + input);
        trans.write(msg.getBytes());
        trans.flush();
        trans.close();
    } while (! stop_cmd.regionMatches(0, input, 0, 4)); 

    System.out.println("[Server] exiting");
    acceptor.close();
}
 

protected TServer getTThreadPoolServer(TProtocolFactory protocolFactory, TProcessor processor,
    TTransportFactory transportFactory, InetSocketAddress inetSocketAddress) throws Exception {
  LOG.info("starting HBase ThreadPool Thrift server on " + inetSocketAddress.toString());
  // Thrift's implementation uses '0' as a placeholder for 'use the default.'
  int backlog = conf.getInt(BACKLOG_CONF_KEY, BACKLOG_CONF_DEAFULT);
  int readTimeout = conf.getInt(THRIFT_SERVER_SOCKET_READ_TIMEOUT_KEY,
      THRIFT_SERVER_SOCKET_READ_TIMEOUT_DEFAULT);
  TServerTransport serverTransport = new TServerSocket(
      new TServerSocket.ServerSocketTransportArgs().
          bindAddr(inetSocketAddress).backlog(backlog).
          clientTimeout(readTimeout));

  TBoundedThreadPoolServer.Args serverArgs =
      new TBoundedThreadPoolServer.Args(serverTransport, conf);
  serverArgs.processor(processor).transportFactory(transportFactory)
      .protocolFactory(protocolFactory);
  return new TBoundedThreadPoolServer(serverArgs, metrics);
}
 

/**
 * Server initialization.
 *
 * @throws Exception error
 */
public void start() throws Exception {
    log.info("initializing thrift server {}", getServerName());
    final ThreadFactory threadFactory = new ThreadFactoryBuilder()
        .setNameFormat(threadPoolNameFormat)
        .setUncaughtExceptionHandler((t, e) -> log.error("Uncaught exception in thread: {}", t.getName(), e))
        .build();
    final ExecutorService executorService = new ThreadPoolExecutor(
        Math.min(2, config.getThriftServerMaxWorkerThreads()),
        config.getThriftServerMaxWorkerThreads(),
        60L,
        TimeUnit.SECONDS,
        new SynchronousQueue<>(),
        threadFactory
    );
    RegistryUtil.registerThreadPool(registry, threadPoolNameFormat, (ThreadPoolExecutor) executorService);
    final int timeout = config.getThriftServerSocketClientTimeoutInSeconds() * 1000;
    final TServerTransport serverTransport = new TServerSocket(portNumber, timeout);
    startServing(executorService, serverTransport);
}
 

/**
 * 初始化Thrift服务
 * 
 * @param serverTransport
 *            服务传输类型
 */
@Override
protected void initServer(TServerTransport serverTransport) {
	ThriftServerConfiguration configuration = getServerConfiguration();
	// 使用多线程半同步半异步方式
	TThreadedSelectorServer.Args args = new TThreadedSelectorServer.Args((TNonblockingServerSocket) serverTransport)
			.transportFactory(configuration.getTransportFactory())
			.protocolFactory(configuration.getProtocolFactory());
	if (ObjectUtil.isNotNull(configuration.getExecutorService()))
		args.executorService(configuration.getExecutorService());
	server = new TThreadedSelectorServer(
			configuration.getServerArgsAspect().tThreadedSelectorServerArgsAspect(args).processor(getProcessor()));
	if (ObjectUtil.isNotNull(configuration.getServerEventHandler()))
		server.setServerEventHandler(configuration.getServerEventHandler());
}
 

public static void simple(TMultiplexedProcessor processor) {
    try {
        Properties Prop = PropUtil.loadProp(System.getProperty("user.dir") + "/conf/datasource.properties");
        //Properties Prop = PropUtil.loadProp("D:\\workspace\\fitting\\fitting-datasource\\src\\main\\resources\\datasource.properties");
        int port = Integer.valueOf(Prop.getProperty("datasource.port"));
        TServerTransport serverTransport = new TServerSocket(port);
        TThreadPoolServer server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor));
        System.out.println("Start server on port " + port + "...");
        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

protected void initServer(TServerTransport serverTransport) {
	ThriftServerConfiguration configuration = getServerConfiguration();
	server = new TSimpleServer(configuration.getServerArgsAspect().tServerArgsAspect(
			new TServer.Args(serverTransport).transportFactory(configuration.getTransportFactory())
					.protocolFactory(configuration.getProtocolFactory()).processor(getProcessor())));
	if (ObjectUtil.isNotNull(configuration.getServerEventHandler()))
		server.setServerEventHandler(configuration.getServerEventHandler());
}
 

/**
 * 初始化Thrift服务
 * <p>
 * 启动Thrift服务之前必须要进行初始化.
 * 
 * @param serverTransport
 *            服务传输类型
 */
protected void initServer(TServerTransport serverTransport) {
	ThriftServerConfiguration configuration = getServerConfiguration();
	// 使用TThreadPoolServer方式启动Thrift服务器,对每个连接都会单独建立一个线程.
	TThreadPoolServer.Args args = new TThreadPoolServer.Args(serverTransport)
			.transportFactory(configuration.getTransportFactory())
			.protocolFactory(configuration.getProtocolFactory());
	// 如果不设置ExecutorService,则默认使用ThreadPoolExecutor实现.
	if (ObjectUtil.isNotNull(configuration.getExecutorService()))
		args.executorService(configuration.getExecutorService());
	server = new TThreadPoolServer(
			configuration.getServerArgsAspect().tThreadPoolServerArgsAspect(args).processor(getProcessor()));
	if (ObjectUtil.isNotNull(configuration.getServerEventHandler()))
		server.setServerEventHandler(configuration.getServerEventHandler());
}
 

/**
 * 获取一个服务传输类型
 * <p>
 * 如果使用非Socket传输类型,需要重写此方法.
 * 
 * @return TServerTransport 服务传输类型
 */
@Override
public TServerTransport getTransport() throws TTransportException {
	if (ObjectUtil.isNull(serverSocket)) {
		TSSLTransportParameters params = getServerConfiguration().getSslTransportParameters();
		serverSocket = ObjectUtil.isNull(params) ? new TServerSocket(getServerPort())
				: TSSLTransportFactory.getServerSocket(getServerPort(), 0, null, params);
	}
	return serverSocket;
}
 

protected void init() throws Exception {
    TServerTransport serverTransport = new TServerSocket( PORT );

    TBinaryProtocol.Factory bFactory = new TBinaryProtocol.Factory();

    server = new TThreadPoolServer(
            new TThreadPoolServer.Args( serverTransport )
                    .inputProtocolFactory( bFactory )
                    .outputProtocolFactory( bFactory )
                    .inputTransportFactory( getTransportFactory() )
                    .outputTransportFactory( getTransportFactory() )
                    .processor( getProcessor() ) );

    Thread startTread = new Thread() {

        @Override
        public void run() {
            server.serve();
        }

    };

    startTread.setName( "thrift-server" );

    startTread.start();

    while( !server.isServing() ) {
        Thread.sleep( 100 );
    }

    protocol = ExtensionLoader.getExtensionLoader(Protocol.class)
            .getExtension( ThriftProtocol.NAME );

    invoker = protocol.refer( getInterface(), getUrl() );

}
 

public static void main(String[] args) {
	try {
		int port = 9119;
		TServerTransport serverTransport = new TServerSocket(port);
		Factory proFactory = new TBinaryProtocol.Factory();
		Processor<Iface> processor = new Example.Processor<Example.Iface>(new Example.Iface() {

			@Override
			public void pong() throws TException {
				System.out.println("pong");
			}

			@Override
			public void ping() throws TException {
				System.out.println("ping");
			}
		});
		Args thriftArgs = new Args(serverTransport);
		thriftArgs.processor(processor);
		thriftArgs.protocolFactory(proFactory);
		TServer tserver = new TThreadPoolServer(thriftArgs);
		System.out.println("启动监听:" + port);
		tserver.serve();
	} catch (TTransportException e) {
		e.printStackTrace();
	}
}
 

protected void init() throws Exception {
    TServerTransport serverTransport = new TServerSocket( PORT );

    TBinaryProtocol.Factory bFactory = new TBinaryProtocol.Factory();

    server = new TThreadPoolServer(
            new TThreadPoolServer.Args( serverTransport )
                    .inputProtocolFactory( bFactory )
                    .outputProtocolFactory( bFactory )
                    .inputTransportFactory( getTransportFactory() )
                    .outputTransportFactory( getTransportFactory() )
                    .processor( getProcessor() ) );

    Thread startTread = new Thread() {

        @Override
        public void run() {
            server.serve();
        }

    };

    startTread.setName( "thrift-server" );

    startTread.start();

    while( !server.isServing() ) {
        Thread.sleep( 100 );
    }

    protocol = ExtensionLoader.getExtensionLoader(Protocol.class)
            .getExtension( ThriftProtocol.NAME );

    invoker = protocol.refer( getInterface(), getUrl() );

}
 

public Args(TServerTransport transport, Configuration conf) {
  super(transport);
  minWorkerThreads = conf.getInt(MIN_WORKER_THREADS_CONF_KEY,
      DEFAULT_MIN_WORKER_THREADS);
  maxWorkerThreads = conf.getInt(MAX_WORKER_THREADS_CONF_KEY,
      DEFAULT_MAX_WORKER_THREADS);
  maxQueuedRequests = conf.getInt(MAX_QUEUED_REQUESTS_CONF_KEY,
      DEFAULT_MAX_QUEUED_REQUESTS);
  threadKeepAliveTimeSec = conf.getInt(THREAD_KEEP_ALIVE_TIME_SEC_CONF_KEY,
      DEFAULT_THREAD_KEEP_ALIVE_TIME_SEC);
}
 

public static void main(String[] args) 
         throws TTransportException, UnsupportedEncodingException, SocketException {
     final String msg = "Hello Thrift!\n";
     final String stop_cmd = "STOP";
     final int buf_size = 1024*8;
     byte[] buf = new byte[buf_size];
     final int port = 9090;

     TServerTransport acceptor = new TServerSocket(port);
     acceptor.listen();
     System.out.println("[Server] listening on port " + port);

     while (true) {
         TTransport trans_ep = acceptor.accept();
TTransport trans = new TFramedTransport(trans_ep);
         int len = trans.read(buf, 0, buf_size);
         String input = new String(buf, 0, len, "UTF-8");
         System.out.println("[Server] handling request: " + input);
         trans.write(msg.getBytes());
         trans.flush();
         trans.close();
         if (stop_cmd.regionMatches(0, input, 0, 4)) {
            break;
         }
     }
     System.out.println("[Server] exiting");
     acceptor.close();
 }
 

public void start() throws TTransportException {
    TServerTransport serverTransport = new TServerSocket(9090);
    server = new TSimpleServer(new TServer.Args(serverTransport)
        .processor(new CrossPlatformService.Processor<>(new CrossPlatformServiceImpl())));

    System.out.print("Starting the server... ");

    server.serve();

    System.out.println("done.");
}
 

public void simple(JstormAM.Processor processor) {
    try {
        TServerTransport serverTransport = new TServerSocket(port);
        TServer server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor));
        LOG.info("Starting the simple server...");

        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

public static void simple(TMultiplexedProcessor processor) {
    try {
        Properties Prop = PropUtil.loadProp(System.getProperty("user.dir") + "/conf/sqlutils.properties");
        //Properties Prop = PropUtil.loadProp("D:\\workspace\\fitting\\fitting-sqlutils\\src\\main\\resources\\sqlutils.properties");
        int port = Integer.valueOf(Prop.getProperty("sqlutils.port"));
        TServerTransport serverTransport = new TServerSocket(port);
        TThreadPoolServer server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor));
        System.out.println("Start server on port " + port + "...");
        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

/**
 * 阻塞式、多线程处理
 *
 * @param args
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void main(String[] args) {
    try {
        int port = Integer.valueOf(prop.get("dkgraphx.port"));
        //设置传输通道，普通通道
        TServerTransport serverTransport = new TServerSocket(port);

        //使用高密度二进制协议
        TProtocolFactory proFactory = new TCompactProtocol.Factory();

        //设置处理器
        TProcessor processor = new DKGraphx.Processor(new DKGraphxImpl());

        //创建服务器
        TServer server = new TThreadPoolServer(
                new TThreadPoolServer.Args(serverTransport)
                        .protocolFactory(proFactory)
                        .processor(processor)
        );

        System.out.println("Start server on port "+ port +"...");
        server.serve();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

protected void init() throws Exception {
    TServerTransport serverTransport = new TServerSocket( PORT );

    TBinaryProtocol.Factory bFactory = new TBinaryProtocol.Factory();

    server = new TThreadPoolServer(
            new TThreadPoolServer.Args( serverTransport )
                    .inputProtocolFactory( bFactory )
                    .outputProtocolFactory( bFactory )
                    .inputTransportFactory( getTransportFactory() )
                    .outputTransportFactory( getTransportFactory() )
                    .processor( getProcessor() ) );

    Thread startTread = new Thread() {

        @Override
        public void run() {
            server.serve();
        }

    };

    startTread.setName( "thrift-server" );

    startTread.start();

    while( !server.isServing() ) {
        Thread.sleep( 100 );
    }

    protocol = ExtensionLoader.getExtensionLoader(Protocol.class)
            .getExtension( ThriftProtocol.NAME );

    invoker = protocol.refer( getInterface(), getUrl() );

}
 

protected void init() throws Exception {
    TServerTransport serverTransport = new TServerSocket( PORT );

    TBinaryProtocol.Factory bFactory = new TBinaryProtocol.Factory();

    server = new TThreadPoolServer(
            new TThreadPoolServer.Args( serverTransport )
                    .inputProtocolFactory( bFactory )
                    .outputProtocolFactory( bFactory )
                    .inputTransportFactory( getTransportFactory() )
                    .outputTransportFactory( getTransportFactory() )
                    .processor( getProcessor() ) );

    Thread startTread = new Thread() {

        @Override
        public void run() {
            server.serve();
        }

    };

    startTread.setName( "thrift-server" );

    startTread.start();

    while( !server.isServing() ) {
        Thread.sleep( 100 );
    }

    protocol = ExtensionLoader.getExtensionLoader(Protocol.class)
            .getExtension( ThriftProtocol.NAME );

    invoker = protocol.refer( getInterface(), getUrl() );

}
 

private void startServing(final ExecutorService executorService, final TServerTransport serverTransport) {
    if (!stopping.get()) {
        final TThreadPoolServer.Args serverArgs = new TThreadPoolServer.Args(serverTransport)
            .processor(getProcessor())
            .executorService(executorService);
        server = new TThreadPoolServer(serverArgs);
        if (hasServerEventHandler()) {
            server.setServerEventHandler(getServerEventHandler());
        }

        final String threadName = getServerName() + "-thread-#" + serverThreadCount.incrementAndGet();
        new Thread(threadName) {
            @Override
            public void run() {
                log.debug("starting serving");
                try {
                    server.serve();
                } catch (Throwable t) {
                    if (!stopping.get()) {
                        log.error("Unexpected exception in {}. This probably "
                            + "means that the worker pool was exhausted. "
                            + "Increase 'metacat.thrift.server_max_worker_threads' "
                            + "from {} or throttle the number of requests. "
                            + "This server thread is not in a bad state so starting a new one.",
                            getServerName(), config.getThriftServerMaxWorkerThreads(), t);
                        startServing(executorService, serverTransport);
                    } else {
                        log.debug("stopping serving");
                    }
                }
                log.debug("started serving");
            }
        }.start();
    }
}
 

void startServer(Configuration conf) throws TException
{
  BookKeeperService.Iface bookKeeper = mock(BookKeeperService.Iface.class);
  when(bookKeeper.isBookKeeperAlive()).then(new GetBookKeeperAliveStatus());

  try {
    TServerTransport serverTransport = new TServerSocket(CacheConfig.getBookKeeperServerPort(conf));
    BookKeeperService.Processor processor = new BookKeeperService.Processor<>(bookKeeper);
    server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor));
    server.serve();
  }
  catch (TException e) {
    log.error("Error starting MockBookKeeperServer", e);
  }
}
 

public Args(TServerTransport transport) {
  super(transport);
}
 

public TServer startMetaStore(String forceBindIP, int port,
    HiveConf conf) throws IOException {
  try {
    // Server will create new threads up to max as necessary. After an idle
    // period, it will destory threads to keep the number of threads in the
    // pool to min.
    int minWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMINTHREADS);
    int maxWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMAXTHREADS);
    boolean tcpKeepAlive = conf.getBoolVar(HiveConf.ConfVars.METASTORE_TCP_KEEP_ALIVE);
    boolean useFramedTransport = conf.getBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_FRAMED_TRANSPORT);

    // don't support SASL yet
    //boolean useSasl = conf.getBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL);

    TServerTransport serverTransport;
    if (forceBindIP != null) {
      InetSocketAddress address = new InetSocketAddress(forceBindIP, port);
      serverTransport = tcpKeepAlive ?
          new TServerSocketKeepAlive(address) : new TServerSocket(address);

    } else {
      serverTransport = tcpKeepAlive ?
          new TServerSocketKeepAlive(port) : new TServerSocket(port);
    }

    TProcessor processor;
    TTransportFactory transFactory;

    IHMSHandler handler = (IHMSHandler) HiveMetaStore
        .newRetryingHMSHandler("new db based metaserver", conf, true);

    if (conf.getBoolVar(HiveConf.ConfVars.METASTORE_EXECUTE_SET_UGI)) {
      transFactory = useFramedTransport ?
          new ChainedTTransportFactory(new TFramedTransport.Factory(),
              new TUGIContainingTransport.Factory())
          : new TUGIContainingTransport.Factory();

      processor = new TUGIBasedProcessor<IHMSHandler>(handler);
      LOG.info("Starting DB backed MetaStore Server with SetUGI enabled");
    } else {
      transFactory = useFramedTransport ?
          new TFramedTransport.Factory() : new TTransportFactory();
      processor = new TSetIpAddressProcessor<IHMSHandler>(handler);
      LOG.info("Starting DB backed MetaStore Server");
    }

    TThreadPoolServer.Args args = new TThreadPoolServer.Args(serverTransport)
        .processor(processor)
        .transportFactory(transFactory)
        .protocolFactory(new TBinaryProtocol.Factory())
        .minWorkerThreads(minWorkerThreads)
        .maxWorkerThreads(maxWorkerThreads);

    final TServer tServer = new TThreadPoolServer(args);
    executorService.submit(new Runnable() {
      @Override
      public void run() {
        tServer.serve();
      }
    });
    return tServer;
  } catch (Throwable x) {
    throw new IOException(x);
  }
}