Examples with KeeperException org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException used on opensource projects

Example 96 with KeeperException

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException in project SilverKing by Morgan-Stanley.

the class DHTMetaReader method readRing.

public DHTMetaUpdate readRing(String ringName, long ringConfigVersion, long configInstanceVersion) throws KeeperException, IOException {
    com.ms.silverking.cloud.toporing.meta.MetaClient ringMC;
    NamedRingConfiguration namedRingConfig;
    RingConfiguration ringConfig;
    InstantiatedRingTree ringTree;
    // long                ringConfigVersion;
    // long                configInstanceVersion;
    int readAttemptIndex;
    int ringReadAttempts = 20;
    int ringReadRetryInvervalSeconds = 2;
    ZooKeeperExtended zk;
    zk = mc.getZooKeeper();
    if (EmbeddedSK.embedded()) {
        namedRingConfig = EmbeddedSK.getEmbeddedNamedRingConfiguration(ringName);
    } else {
        // unresolved
        namedRingConfig = new NamedRingConfiguration(ringName, RingConfiguration.emptyTemplate);
        ringMC = new com.ms.silverking.cloud.toporing.meta.MetaClient(namedRingConfig, zkConfig);
        // ringConfigVersion = zk.getVersionPriorTo(ringMC.getMetaPaths().getConfigPath(), zkidLimit);
        try {
            ringConfig = new RingConfigurationZK(ringMC).readFromZK(ringConfigVersion, null);
        } catch (Exception e) {
            Log.warning("Ignoring: ", e);
            ringConfig = new RingConfiguration(new CloudConfiguration(null, null, null), null, null, null, null, null);
        }
        // resolved
        namedRingConfig = new NamedRingConfiguration(ringName, ringConfig);
        if (enableLogging) {
            Log.warning("ringConfig\t", ringConfig);
        }
    }
    ringMC = new com.ms.silverking.cloud.toporing.meta.MetaClient(namedRingConfig, zkConfig);
    // configInstanceVersion = zk.getVersionPriorTo(ringMC.getMetaPaths().getConfigInstancePath(ringConfigVersion), zkidLimit);
    if (enableLogging) {
        Log.warning("configInstanceVersion: " + configInstanceVersion);
    }
    if (configInstanceVersion < 0) {
        throw new RuntimeException("Invalid configInstanceVersion: " + configInstanceVersion);
    }
    // if (configInstanceVersion == -1) {
    // configInstanceVersion = 0;
    // }
    // FUTURE - we shouldn't get here unless it's valid. Think about error messages if invalid, instead of waiting.
    Log.warning("Waiting until valid " + ringMC.getMetaPaths().getConfigInstancePath(ringConfigVersion) + " " + configInstanceVersion);
    SingleRingZK.waitUntilValid(ringMC, ringMC.getMetaPaths().getConfigInstancePath(ringConfigVersion), configInstanceVersion);
    Log.warning("Valid");
    ringTree = null;
    readAttemptIndex = 0;
    while (ringTree == null) {
        try {
            // , weightsVersion);
            ringTree = SingleRingZK.readTree(ringMC, ringConfigVersion, configInstanceVersion);
        } catch (Exception e) {
            if (++readAttemptIndex >= ringReadAttempts) {
                throw new RuntimeException("Ring read failed", e);
            } else {
                ThreadUtil.sleepSeconds(ringReadRetryInvervalSeconds);
            }
        }
    }
    if (enableLogging) {
        Log.warning("\t\t###\t" + ringConfigVersion + "\t" + configInstanceVersion);
    }
    return new DHTMetaUpdate(dhtConfig, namedRingConfig, ringTree, mc);
}

Example 97 with KeeperException

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException in project SilverKing by Morgan-Stanley.

the class DHTRingCurTargetZK method setRingAndVersionPair.

private void setRingAndVersionPair(String ringName, long ringConfigVersion, long configInstanceVersion, String path) throws KeeperException {
    int attemptIndex;
    boolean complete;
    attemptIndex = 0;
    complete = false;
    while (!complete) {
        try {
            Stat stat;
            if (!mc.getZooKeeper().exists(path)) {
                mc.getZooKeeper().create(path);
            }
            stat = mc.getZooKeeper().set(path, nameAndVersionToBytes(ringName, ringConfigVersion, configInstanceVersion));
            if (debug) {
                Log.warning(path);
                Log.warning(stat);
            }
            complete = true;
        } catch (KeeperException ke) {
            Log.logErrorWarning(ke, "Exception in DHTRingCurTargetZK.setRingAndVersion(). Attempt: " + attemptIndex);
            if (attemptIndex >= retries) {
                throw ke;
            } else {
                ++attemptIndex;
                ThreadUtil.randomSleep(retrySleepMS, retrySleepMS << attemptIndex);
            }
        }
    }
}

Example 98 with KeeperException

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException in project bookkeeper by apache.

the class DLMetadata method create.

public void create(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = serialize();
    try {
        Utils.zkCreateFullPathOptimistic(zkc, uri.getPath(), data, zkc.getDefaultACL(), CreateMode.PERSISTENT);
    } catch (KeeperException ke) {
        throw new ZKException("Encountered zookeeper exception on creating dl metadata", ke);
    } finally {
        zkc.close();
    }
}

Example 99 with KeeperException

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException in project bookkeeper by apache.

the class DLMetadata method update.

public void update(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = serialize();
    try {
        zkc.get().setData(uri.getPath(), data, -1);
    } catch (KeeperException e) {
        throw new IOException("Fail to update dl metadata " + new String(data, UTF_8) + " to uri " + uri, e);
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new IOException("Interrupted when updating dl metadata " + new String(data, UTF_8) + " to uri " + uri, e);
    } finally {
        zkc.close();
    }
}

Example 100 with KeeperException

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.KeeperException in project bookkeeper by apache.

the class DLMetadata method unbind.

public static void unbind(URI uri) throws IOException {
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    ZooKeeperClient zkc = ZooKeeperClientBuilder.newBuilder().sessionTimeoutMs(conf.getZKSessionTimeoutMilliseconds()).retryThreadCount(conf.getZKClientNumberRetryThreads()).requestRateLimit(conf.getZKRequestRateLimit()).zkAclId(conf.getZkAclId()).uri(uri).build();
    byte[] data = new byte[0];
    try {
        zkc.get().setData(uri.getPath(), data, -1);
    } catch (KeeperException ke) {
        throw new IOException("Fail to unbound dl metadata on uri " + uri, ke);
    } catch (InterruptedException ie) {
        Thread.currentThread().interrupt();
        throw new IOException("Interrupted when unbinding dl metadata on uri " + uri, ie);
    } finally {
        zkc.close();
    }
}