org.apache.curator.retry.ExponentialBackoffRetry Java Examples

The following examples show how to use org.apache.curator.retry.ExponentialBackoffRetry. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ZKDiscoveryServiceImpl.java    From YuRPC with Apache License 2.0 6 votes vote down vote up
/**
 * 初始化方法,(仅在使用无参构造器时使用)
 *
 * @param zookeeper
 * @throws java.lang.Throwable 异常
 */
public void init(String zookeeper) throws Throwable {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    this.client = CuratorFrameworkFactory.newClient(zookeeper, retryPolicy);
    this.client.start();
    this.client.getConnectionStateListenable().addListener((ConnectionStateListener) (CuratorFramework cf, ConnectionState cs) -> {
        if (cs == ConnectionState.RECONNECTED) {
            if (pathValue != null && !pathValue.isEmpty()) {
                pathValue.entrySet().forEach((entry) -> {
                    String path = entry.getKey();
                    byte[] value = entry.getValue();
                    try {
                        cf.create().withMode(CreateMode.EPHEMERAL).forPath(path, value);
                    } catch (Exception ex) {
                        LOGGER.error(ex.getMessage());
                    }
                });
            }
        }
    }, watcherExecutorService);
}
 
Example #2
Source File: BeihuZookeeperAutoConfiguration.java    From beihu-boot with Apache License 2.0 6 votes vote down vote up
@Bean(name = "curatorFramework")
    @ConditionalOnMissingBean(name = "curatorFramework")
    protected CuratorFramework curatorFramework() throws Exception {

        RetryPolicy retryPolicy = new ExponentialBackoffRetry(beihuZookeeperProperties.getRetryPolicy().getBaseSleepTime(),
                beihuZookeeperProperties.getRetryPolicy().getRetryNum(),
                beihuZookeeperProperties.getRetryPolicy().getMaxSleepTime());

        return CuratorFrameworkFactory.builder()
                .connectString(beihuZookeeperProperties.getZhosts())
                .sessionTimeoutMs(beihuZookeeperProperties.getSessionTimeout())
//                .connectionTimeoutMs(beihuZookeeperProperties.getConnectionTimeout())
                .namespace(beihuZookeeperProperties.getNamespace())
                .retryPolicy(retryPolicy)
                .build();
    }
 
Example #3
Source File: ZookeeperOffsetHandler.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
public ZookeeperOffsetHandler(Properties props) {
	this.groupId = props.getProperty(ConsumerConfig.GROUP_ID_CONFIG);
	if (this.groupId == null) {
		throw new IllegalArgumentException("Required property '"
				+ ConsumerConfig.GROUP_ID_CONFIG + "' has not been set");
	}

	String zkConnect = props.getProperty("zookeeper.connect");
	if (zkConnect == null) {
		throw new IllegalArgumentException("Required property 'zookeeper.connect' has not been set");
	}

	// we use Curator's default timeouts
	int sessionTimeoutMs =  Integer.valueOf(props.getProperty("zookeeper.session.timeout.ms", "60000"));
	int connectionTimeoutMs = Integer.valueOf(props.getProperty("zookeeper.connection.timeout.ms", "15000"));

	// undocumented config options allowing users to configure the retry policy. (they are "flink." prefixed as they are no official kafka configs)
	int backoffBaseSleepTime = Integer.valueOf(props.getProperty("flink.zookeeper.base-sleep-time.ms", "100"));
	int backoffMaxRetries =  Integer.valueOf(props.getProperty("flink.zookeeper.max-retries", "10"));

	RetryPolicy retryPolicy = new ExponentialBackoffRetry(backoffBaseSleepTime, backoffMaxRetries);
	curatorClient = CuratorFrameworkFactory.newClient(zkConnect, sessionTimeoutMs, connectionTimeoutMs, retryPolicy);
	curatorClient.start();
}
 
Example #4
Source File: SimpleLeaderManager.java    From mykit-delay with Apache License 2.0 6 votes vote down vote up
public void init() {
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder()
            .connectString(properties.getServerList())
            .retryPolicy(new ExponentialBackoffRetry(properties.getBaseSleepTimeMilliseconds(),
                    properties.getMaxRetries(),
                    properties.getMaxSleepTimeMilliseconds()))
            .namespace(ServerNode.NAMESPACE);
    framework = builder.build();
    framework.start();
    leaderLatch = new LeaderLatch(framework, ServerNode.LEADERLATCH, serverName, LeaderLatch.CloseMode.NOTIFY_LEADER);
    for (LeaderLatchListener listener : listeners) {
        leaderLatch.addListener(listener);
    }
    LOGGER.info("starting Queue Master Slave Model ...");
    start();
}
 
Example #5
Source File: ServiceManageControllerTest.java    From sofa-dashboard with Apache License 2.0 6 votes vote down vote up
@Before
public void before() throws Exception {
    restTemplate = new RestTemplate();
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
    int index = 0;
    while (registryDataCache.fetchService().size() == 0 && index++ < tryTimes) {
        initZookeeperRpcData();
    }

    if (registryDataCache.fetchService().size() == 0) {
        List<RpcService> providerList = new ArrayList<>();
        RpcService rpcService = new RpcService();
        rpcService.setServiceName("serviceId1");
        providerList.add(rpcService);
        registryDataCache.addService(providerList);
    }
}
 
Example #6
Source File: ZkMutexDistributedLockFactory.java    From gpmall with Apache License 2.0 6 votes vote down vote up
/**
 * 初始化
 */
private static synchronized void init() {
    if(client==null){
        //TODO zk地址
        String IPAndPort = "";
        //TODO 项目名
        String projectName = "";
        if(StringUtils.isEmpty(IPAndPort) || StringUtils.isEmpty(projectName)){
            logger.error("zk锁启动失败缺少配置--IP和端口号/项目名");
            throw new RuntimeException("zk锁启动异常--缺少配置--IP和端口号/项目名");
        }
        ZkMutexDistributedLockFactory.projectName = projectName+"/";
        client = CuratorFrameworkFactory.builder()
                .connectString(IPAndPort)
                .retryPolicy(new ExponentialBackoffRetry(1000, 3))
                .build();
        client.start();
        // 启动后台线程
        LockBackGroundThread backGroundThread = new LockBackGroundThread(client);
        backGroundThread.start();
    }
}
 
Example #7
Source File: ZookeeperOffsetHandler.java    From flink with Apache License 2.0 6 votes vote down vote up
public ZookeeperOffsetHandler(Properties props) {
	this.groupId = props.getProperty(ConsumerConfig.GROUP_ID_CONFIG);
	if (this.groupId == null) {
		throw new IllegalArgumentException("Required property '"
				+ ConsumerConfig.GROUP_ID_CONFIG + "' has not been set");
	}

	String zkConnect = props.getProperty("zookeeper.connect");
	if (zkConnect == null) {
		throw new IllegalArgumentException("Required property 'zookeeper.connect' has not been set");
	}

	// we use Curator's default timeouts
	int sessionTimeoutMs =  Integer.valueOf(props.getProperty("zookeeper.session.timeout.ms", "60000"));
	int connectionTimeoutMs = Integer.valueOf(props.getProperty("zookeeper.connection.timeout.ms", "15000"));

	// undocumented config options allowing users to configure the retry policy. (they are "flink." prefixed as they are no official kafka configs)
	int backoffBaseSleepTime = Integer.valueOf(props.getProperty("flink.zookeeper.base-sleep-time.ms", "100"));
	int backoffMaxRetries =  Integer.valueOf(props.getProperty("flink.zookeeper.max-retries", "10"));

	RetryPolicy retryPolicy = new ExponentialBackoffRetry(backoffBaseSleepTime, backoffMaxRetries);
	curatorClient = CuratorFrameworkFactory.newClient(zkConnect, sessionTimeoutMs, connectionTimeoutMs, retryPolicy);
	curatorClient.start();
}
 
Example #8
Source File: StateKeeper.java    From DDMQ with Apache License 2.0 6 votes vote down vote up
public void start() throws Exception {
    if (StringUtils.isEmpty(namesrvController.getNamesrvConfig().getClusterName())
        || StringUtils.isEmpty(namesrvController.getNamesrvConfig().getZkPath())) {
        log.error("clusterName:{} or zk path:{} is empty",
            namesrvController.getNamesrvConfig().getClusterName(), namesrvController.getNamesrvConfig().getZkPath());
        throw new Exception("cluster name or zk path is null");
    }
    hostName = getHostName();
    zkClient = CuratorFrameworkFactory.newClient(namesrvController.getNamesrvConfig().getZkPath(),
        SESSION_TIMEOUT_MS, CONNECTION_TIMEOUT_MS, new ExponentialBackoffRetry(RETRY_INTERVAL_MS, RETRY_COUNT));
    zkClient.getConnectionStateListenable().addListener(new StateListener());
    zkClient.start();

    createRootPath();
    registerLeaderLatch();
}
 
Example #9
Source File: TestInterProcessMutexBase.java    From xian with Apache License 2.0 6 votes vote down vote up
@Test
public void testWithNamespace() throws Exception
{
    CuratorFramework client = CuratorFrameworkFactory.builder().
        connectString(server.getConnectString()).
        retryPolicy(new ExponentialBackoffRetry(100, 3)).
        namespace("test").
        build();
    client.start();
    try
    {
        InterProcessLock mutex = makeLock(client);
        mutex.acquire(10, TimeUnit.SECONDS);
        Thread.sleep(100);
        mutex.release();
    }
    finally
    {
        client.close();
    }
}
 
Example #10
Source File: TestRetryLoop.java    From xian with Apache License 2.0 6 votes vote down vote up
@Test
public void     testExponentialBackoffRetryLimit()
{
    RetrySleeper                    sleeper = new RetrySleeper()
    {
        @Override
        public void sleepFor(long time, TimeUnit unit) throws InterruptedException
        {
            Assert.assertTrue(unit.toMillis(time) <= 100);
        }
    };
    ExponentialBackoffRetry         retry = new ExponentialBackoffRetry(1, Integer.MAX_VALUE, 100);
    for ( int i = 0; i >= 0; ++i )
    {
        retry.allowRetry(i, 0, sleeper);
    }
}
 
Example #11
Source File: ZkReentrantLockTemplateTest.java    From Mykit with Apache License 2.0 6 votes vote down vote up
public static void main(String[] args) {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
	CuratorFramework client = CuratorFrameworkFactory.newClient("127.0.0.1:2181", retryPolicy);
	client.start();

	final ZkDistributedLockTemplate template = new ZkDistributedLockTemplate(client);// 本类多线程安全,可通过spring注入
	template.execute("订单流水号", 5000, new Callback() {
		@Override
		public Object onGetLock() throws InterruptedException {
			// TODO 获得锁后要做的事
			return null;
		}

		@Override
		public Object onTimeout() throws InterruptedException {
			// TODO 获得锁超时后要做的事
			return null;
		}
	});
}
 
Example #12
Source File: StateKeeper.java    From DDMQ with Apache License 2.0 6 votes vote down vote up
public void start() throws Exception {
    if (StringUtils.isEmpty(namesrvController.getNamesrvConfig().getClusterName())
        || StringUtils.isEmpty(namesrvController.getNamesrvConfig().getZkPath())) {
        log.error("clusterName:{} or zk path:{} is empty",
            namesrvController.getNamesrvConfig().getClusterName(), namesrvController.getNamesrvConfig().getZkPath());
        throw new Exception("cluster name or zk path is null");
    }
    hostName = getHostName();
    zkClient = CuratorFrameworkFactory.newClient(namesrvController.getNamesrvConfig().getZkPath(),
        SESSION_TIMEOUT_MS, CONNECTION_TIMEOUT_MS, new ExponentialBackoffRetry(RETRY_INTERVAL_MS, RETRY_COUNT));
    zkClient.getConnectionStateListenable().addListener(new StateListener());
    zkClient.start();

    createRootPath();
    registerLeaderLatch();
}
 
Example #13
Source File: ZkHelper.java    From AthenaServing with Apache License 2.0 5 votes vote down vote up
/**
 * 创建一个客户端连接
 *
 * @param connectionString
 * @return
 */
private CuratorFramework createSimpleClient(String connectionString) {
    // these are reasonable arguments for the ExponentialBackoffRetry.
    // The first retry will wait 1 second - the second will wait up to 2 seconds - the
    // third will wait up to 4 seconds.
    ExponentialBackoffRetry retryPolicy = new ExponentialBackoffRetry(1000, 3);
    // The simplest way to get a CuratorFramework instance. This will use default values.
    // The only required arguments are the connection string and the retry policy
    CuratorFramework client = CuratorFrameworkFactory.newClient(connectionString, retryPolicy);
    client.start();
    return client;
}
 
Example #14
Source File: ZookeeperCuratorManager.java    From Qualitis with Apache License 2.0 5 votes vote down vote up
public CuratorFramework createClient() {
    Integer baseSleepTimeMs = zkConfig.getBaseSleepTimeMs();
    Integer maxRetries = zkConfig.getMaxRetries();
    Integer sessionTimeOutMs = zkConfig.getSessionTimeOutMs();
    Integer connectionTimeOutMs = zkConfig.getConnectionTimeOutMs();

    RetryPolicy retryPolicy = new ExponentialBackoffRetry(baseSleepTimeMs, maxRetries);
    CuratorFramework client = CuratorFrameworkFactory.newClient(zkConfig.getZkAddress(), sessionTimeOutMs, connectionTimeOutMs, retryPolicy);

    LOGGER.info("Start to create zookeeper connection., url: {}", zkConfig.getZkAddress());
    client.start();
    LOGGER.info("Succeed to create zookeeper connection. url: {}", zkConfig.getZkAddress());
    return client;
}
 
Example #15
Source File: ZooKeeperServiceRegistryTest.java    From camel-spring-boot with Apache License 2.0 5 votes vote down vote up
public ZooKeeperTestClient(String nodes) {
    curator = CuratorFrameworkFactory.builder()
        .connectString(nodes)
        .retryPolicy(new ExponentialBackoffRetry(1000, 3))
        .build();
    discovery = ServiceDiscoveryBuilder.builder(ZooKeeperServiceRegistry.MetaData.class)
        .client(curator)
        .basePath(SERVICE_PATH)
        .serializer(new JsonInstanceSerializer<>(ZooKeeperServiceRegistry.MetaData.class))
        .build();
}
 
Example #16
Source File: KafkaTestEnvironmentImpl.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
/**
 * Only for the 0.8 server we need access to the zk client.
 */
public CuratorFramework createCuratorClient() {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(100, 10);
	CuratorFramework curatorClient = CuratorFrameworkFactory.newClient(standardProps.getProperty("zookeeper.connect"), retryPolicy);
	curatorClient.start();
	return curatorClient;
}
 
Example #17
Source File: ZkCommandClient.java    From sofa-dashboard with Apache License 2.0 5 votes vote down vote up
@Override
public void afterPropertiesSet() throws Exception {
    // custom policy
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(baseSleepTimeMs, maxRetries);
    // to build curatorClient
    curatorClient = CuratorFrameworkFactory.builder().connectString(connectString)
        .sessionTimeoutMs(sessionTimeoutMs).connectionTimeoutMs(connectionTimeoutMs)
        .retryPolicy(retryPolicy).build();
    curatorClient.start();
}
 
Example #18
Source File: ZkCommandPushManagerTest.java    From sofa-dashboard with Apache License 2.0 5 votes vote down vote up
@Before
public void before() throws Exception {
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
    client
        .create()
        .creatingParentContainersIfNeeded()
        .withMode(CreateMode.PERSISTENT)
        .forPath(
            SofaDashboardConstants.SOFA_ARK_ROOT + SofaDashboardConstants.SEPARATOR + "testApp",
            "".getBytes());
}
 
Example #19
Source File: ArkManagementTest.java    From sofa-dashboard with Apache License 2.0 5 votes vote down vote up
@Before
public void before() throws Exception {
    restTemplate = new RestTemplate();
    // 初始化 zk 节点
    client = CuratorFrameworkFactory.newClient("localhost:2181", new ExponentialBackoffRetry(
        1000, 3));
    client.start();
}
 
Example #20
Source File: ZookeeperAuthBoltServerTest.java    From sofa-rpc with Apache License 2.0 5 votes vote down vote up
protected void createPathWithAuth() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    CuratorFrameworkFactory.Builder zkClientuilder = CuratorFrameworkFactory.builder()
        .connectString("127.0.0.1:2181")
        .sessionTimeoutMs(20000 * 3)
        .connectionTimeoutMs(20000)
        .canBeReadOnly(false)
        .retryPolicy(retryPolicy)
        .defaultData(null);

    //是否需要添加zk的认证信息
    Map authMap = new HashMap<String, String>();
    authMap.put("scheme", "digest");
    //如果存在多个认证信息,则在参数形式为为user1:passwd1,user2:passwd2
    authMap.put("addAuth", "sofazk:rpc1");

    List<AuthInfo> authInfos = buildAuthInfo(authMap);
    if (CommonUtils.isNotEmpty(authInfos)) {
        zkClientuilder = zkClientuilder.aclProvider(getDefaultAclProvider())
            .authorization(authInfos);
    }

    try {
        zkClient = zkClientuilder.build();
        zkClient.start();
        zkClient.create().withMode(CreateMode.PERSISTENT).forPath("/authtest");
    } catch (Exception e) {
        Assert.fail(e.getMessage());
    }
}
 
Example #21
Source File: ZookeeperDataSourceTest.java    From Sentinel-Dashboard-Nacos with Apache License 2.0 5 votes vote down vote up
@Test
public void testZooKeeperDataSource() throws Exception {
    TestingServer server = new TestingServer(21812);
    server.start();

    final String remoteAddress = server.getConnectString();
    final String path = "/sentinel-zk-ds-demo/flow-HK";

    ReadableDataSource<String, List<FlowRule>> flowRuleDataSource = new ZookeeperDataSource<List<FlowRule>>(remoteAddress, path,
            new Converter<String, List<FlowRule>>() {
                @Override
                public List<FlowRule> convert(String source) {
                    return JSON.parseObject(source, new TypeReference<List<FlowRule>>() {
                    });
                }
            });
    FlowRuleManager.register2Property(flowRuleDataSource.getProperty());

    CuratorFramework zkClient = CuratorFrameworkFactory.newClient(remoteAddress,
            new ExponentialBackoffRetry(3, 1000));
    zkClient.start();
    Stat stat = zkClient.checkExists().forPath(path);
    if (stat == null) {
        zkClient.create().creatingParentContainersIfNeeded().withMode(CreateMode.PERSISTENT).forPath(path, null);
    }

    final String resourceName = "HK";
    publishThenTestFor(zkClient, path, resourceName, 10);
    publishThenTestFor(zkClient, path, resourceName, 15);

    zkClient.close();
    server.stop();
}
 
Example #22
Source File: CuratorFrameworkClient.java    From gpmall with Apache License 2.0 5 votes vote down vote up
public  CuratorFramework createCuratorFramework(){
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000,100,2000);
    curatorFramework  = (CuratorFramework) CuratorFrameworkFactory.builder().
            connectString(zooKeeperClientProperties.getZkHosts()).
            sessionTimeoutMs(zooKeeperClientProperties.getSessionTimeout()).
            namespace(zooKeeperClientProperties.getNamespace()).
            retryPolicy(retryPolicy);
    curatorFramework.start();
    return curatorFramework;
}
 
Example #23
Source File: KafkaTestEnvironmentImpl.java    From flink with Apache License 2.0 5 votes vote down vote up
/**
 * Only for the 0.8 server we need access to the zk client.
 */
public CuratorFramework createCuratorClient() {
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(100, 10);
	CuratorFramework curatorClient = CuratorFrameworkFactory.newClient(standardProps.getProperty("zookeeper.connect"), retryPolicy);
	curatorClient.start();
	return curatorClient;
}
 
Example #24
Source File: ConfigUpdate.java    From DDMQ with Apache License 2.0 5 votes vote down vote up
public boolean init() {
    if (StringUtils.isEmpty(controller.getBrokerConfig().getZkPath())) {
        return true;
    }

    client = CuratorFrameworkFactory.newClient(controller.getBrokerConfig().getZkPath(), new ExponentialBackoffRetry(1000, 3));
    client.start();

    String path = getBrokerConfigPath();
    try {
        if (client.checkExists().forPath(path) == null) {
            log.error("config path in not exist, path:{}", path);
            return false;
        }
        //add watcher
        cache = new NodeCache(client, path);
        NodeCacheListener listener = new NodeCacheListener() {
            @Override public void nodeChanged() throws Exception {
                log.info("config changed, update");
                ChildData data = cache.getCurrentData();
                if (null != data) {
                    String config = new String(cache.getCurrentData().getData());
                    updateConfig(config);
                } else {
                    log.warn("node is deleted");
                }
            }
        };

        cache.getListenable().addListener(listener);

        cache.start();
    } catch (Exception ex) {
        log.error("cache start failed", ex);
        return false;
    }

    return true;
}
 
Example #25
Source File: ZkConfig.java    From spring-boot-demo with MIT License 5 votes vote down vote up
@Bean
public CuratorFramework curatorFramework() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(zkProps.getTimeout(), zkProps.getRetry());
    CuratorFramework client = CuratorFrameworkFactory.newClient(zkProps.getUrl(), retryPolicy);
    client.start();
    return client;
}
 
Example #26
Source File: ZookeeperClient.java    From sofa-dashboard-client with Apache License 2.0 5 votes vote down vote up
public ZookeeperClient(ZookeeperConfig config) {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(config.getBaseSleepTimeMs(),
        config.getMaxRetries());
    // to build curatorClient
    curatorClient = CuratorFrameworkFactory.builder().connectString(config.getAddress())
        .sessionTimeoutMs(config.getSessionTimeoutMs())
        .connectionTimeoutMs(config.getConnectionTimeoutMs()).retryPolicy(retryPolicy).build();
}
 
Example #27
Source File: CuratorClient.java    From canal-1.1.3 with Apache License 2.0 5 votes vote down vote up
@PostConstruct
public void init() {
    if (adapterCanalConfig.getZookeeperHosts() != null) {
        curator = CuratorFrameworkFactory.builder()
            .connectString(adapterCanalConfig.getZookeeperHosts())
            .retryPolicy(new ExponentialBackoffRetry(1000, 3))
            .sessionTimeoutMs(6000)
            .connectionTimeoutMs(3000)
            .namespace("canal-adapter")
            .build();
        curator.start();
    }
}
 
Example #28
Source File: ZKRegistry.java    From joyrpc with Apache License 2.0 5 votes vote down vote up
@Override
protected CompletableFuture<Void> doConnect() {
    return Futures.call(future -> {
        CuratorFramework client = CuratorFrameworkFactory.builder().connectString(registry.address)
                .sessionTimeoutMs(registry.sessionTimeout)
                .connectionTimeoutMs(registry.connectionTimeout)
                .retryPolicy(new ExponentialBackoffRetry(1000, 3))
                .build();
        client.start();
        client.getConnectionStateListenable().addListener((curator, state) -> {
            if (!isOpen()) {
                doDisconnect().whenComplete((v, t) -> future.completeExceptionally(new IllegalStateException("controller is closed.")));
            } else if (state.isConnected()) {
                logger.warn("zk connection state is changed to " + state + ".");
                if (future.isDone()) {
                    //重新注册
                    registers.forEach((k, r) -> addBookingTask(registers, r, this::doRegister));
                } else {
                    future.complete(null);
                }
            } else {
                //会自动重连
                logger.warn("zk connection state is changed to " + state + ".");
            }
        });
        curator = AsyncCuratorFramework.wrap(client);
    });
}
 
Example #29
Source File: ZookeeperConfig.java    From springboot-plus with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
@Bean
public CuratorFramework getCuratorFramework() throws Exception {
	String zkUrl = env.getProperty("zookeeper.url");
	RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
	CuratorFramework client = CuratorFrameworkFactory.newClient(zkUrl, retryPolicy);
	client.start();
	return client;

}
 
Example #30
Source File: ZkClient.java    From rpcx-java with Apache License 2.0 5 votes vote down vote up
private ZkClient() {
    RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
    String cs = Config.ins().get("rpcx.zk.connect.string");
    client =
            CuratorFrameworkFactory.builder()
                    .connectString(cs)
                    .sessionTimeoutMs(5000)
                    .connectionTimeoutMs(5000)
                    .retryPolicy(retryPolicy)
                    .build();
    client.start();
}