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

Example 6 with KeeperException

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

the class MetaTableLocator method blockUntilAvailable.

/**
   * Wait until the primary meta region is available. Get the secondary
   * locations as well but don't block for those.
   * @param zkw
   * @param timeout
   * @param conf
   * @return ServerName or null if we timed out.
   * @throws InterruptedException
   */
public List<ServerName> blockUntilAvailable(final ZooKeeperWatcher zkw, final long timeout, Configuration conf) throws InterruptedException {
    int numReplicasConfigured = 1;
    List<ServerName> servers = new ArrayList<>();
    // Make the blocking call first so that we do the wait to know
    // the znodes are all in place or timeout.
    ServerName server = blockUntilAvailable(zkw, timeout);
    if (server == null)
        return null;
    servers.add(server);
    try {
        List<String> metaReplicaNodes = zkw.getMetaReplicaNodes();
        numReplicasConfigured = metaReplicaNodes.size();
    } catch (KeeperException e) {
        LOG.warn("Got ZK exception " + e);
    }
    for (int replicaId = 1; replicaId < numReplicasConfigured; replicaId++) {
        // return all replica locations for the meta
        servers.add(getMetaRegionLocation(zkw, replicaId));
    }
    return servers;
}

Example 7 with KeeperException

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

the class RecoverableZooKeeper method getAcl.

/**
   * getAcl is an idempotent operation. Retry before throwing exception
   * @return list of ACLs
   */
public List<ACL> getAcl(String path, Stat stat) throws KeeperException, InterruptedException {
    TraceScope traceScope = null;
    try {
        traceScope = Trace.startSpan("RecoverableZookeeper.getAcl");
        RetryCounter retryCounter = retryCounterFactory.create();
        while (true) {
            try {
                return checkZk().getACL(path, stat);
            } catch (KeeperException e) {
                switch(e.code()) {
                    case CONNECTIONLOSS:
                    case OPERATIONTIMEOUT:
                        retryOrThrow(retryCounter, e, "getAcl");
                        break;
                    default:
                        throw e;
                }
            }
            retryCounter.sleepUntilNextRetry();
        }
    } finally {
        if (traceScope != null)
            traceScope.close();
    }
}

Example 8 with KeeperException

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

the class RecoverableZooKeeper method exists.

/**
   * exists is an idempotent operation. Retry before throwing exception
   * @return A Stat instance
   */
public Stat exists(String path, boolean watch) throws KeeperException, InterruptedException {
    TraceScope traceScope = null;
    try {
        traceScope = Trace.startSpan("RecoverableZookeeper.exists");
        RetryCounter retryCounter = retryCounterFactory.create();
        while (true) {
            try {
                return checkZk().exists(path, watch);
            } catch (KeeperException e) {
                switch(e.code()) {
                    case CONNECTIONLOSS:
                    case OPERATIONTIMEOUT:
                        retryOrThrow(retryCounter, e, "exists");
                        break;
                    default:
                        throw e;
                }
            }
            retryCounter.sleepUntilNextRetry();
        }
    } finally {
        if (traceScope != null)
            traceScope.close();
    }
}

Example 9 with KeeperException

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

the class RecoverableZooKeeper method getChildren.

/**
   * getChildren is an idempotent operation. Retry before throwing exception
   * @return List of children znodes
   */
public List<String> getChildren(String path, boolean watch) throws KeeperException, InterruptedException {
    TraceScope traceScope = null;
    try {
        traceScope = Trace.startSpan("RecoverableZookeeper.getChildren");
        RetryCounter retryCounter = retryCounterFactory.create();
        while (true) {
            try {
                return checkZk().getChildren(path, watch);
            } catch (KeeperException e) {
                switch(e.code()) {
                    case CONNECTIONLOSS:
                    case OPERATIONTIMEOUT:
                        retryOrThrow(retryCounter, e, "getChildren");
                        break;
                    default:
                        throw e;
                }
            }
            retryCounter.sleepUntilNextRetry();
        }
    } finally {
        if (traceScope != null)
            traceScope.close();
    }
}

Example 10 with KeeperException

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

the class RecoverableZooKeeper method getChildren.

/**
   * getChildren is an idempotent operation. Retry before throwing exception
   * @return List of children znodes
   */
public List<String> getChildren(String path, Watcher watcher) throws KeeperException, InterruptedException {
    TraceScope traceScope = null;
    try {
        traceScope = Trace.startSpan("RecoverableZookeeper.getChildren");
        RetryCounter retryCounter = retryCounterFactory.create();
        while (true) {
            try {
                return checkZk().getChildren(path, watcher);
            } catch (KeeperException e) {
                switch(e.code()) {
                    case CONNECTIONLOSS:
                    case OPERATIONTIMEOUT:
                        retryOrThrow(retryCounter, e, "getChildren");
                        break;
                    default:
                        throw e;
                }
            }
            retryCounter.sleepUntilNextRetry();
        }
    } finally {
        if (traceScope != null)
            traceScope.close();
    }
}