Package org.apache.zookeeper

Examples of org.apache.zookeeper.KeeperException$SessionMovedException

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    public String getStatus(String name, long timeout) throws KeeperException, InterruptedException {
        Stat stat = new Stat();
        byte data[] = null;
        long endTime = System.currentTimeMillis() + timeout;
        KeeperException lastException = null;
        for(int i = 0; i < maxTries && endTime > System.currentTimeMillis(); i++) {
            try {
                data = zk.getData(reportsNode + '/' + name, false, stat);
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got Data: " + ((data == null) ? "null" : new String(data)));
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        HConstants.DEFAULT_ZK_SESSION_TIMEOUT), EmptyWatcher.instance);

    final int maxTimeMs = 10000;
    final int maxNumAttempts = maxTimeMs / HConstants.SOCKET_RETRY_WAIT_MS;

    KeeperException keeperEx = null;
    try {
      try {
        for (int attempt = 0; attempt < maxNumAttempts; ++attempt) {
          try {
            if (zk.exists(parentZNode, false) != null) {
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   * Used when can't let a {@link DeserializationException} out w/o changing public API.
   * @param e Exception to convert
   * @return Converted exception
   */
  public static KeeperException convert(final DeserializationException e) {
    KeeperException ke = new KeeperException.DataInconsistencyException();
    ke.initCause(e);
    return ke;
  }
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    } catch (KeeperException e) {
      LOG.error("Unexpected ZooKeeper error when listing children", e);
      throw new IOException("Unexpected ZooKeeper exception", e);
    }

    KeeperException deferred = null;
    for (String child : children) {
      if (isChildWriteLock(child)) {
        String znode = ZKUtil.joinZNode(parentLockNode, child);
        LOG.info("Reaping write lock for znode:" + znode);
        try {
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      ZooKeeperProtos.Table.Builder builder = ZooKeeperProtos.Table.newBuilder();
      int magicLen = ProtobufUtil.lengthOfPBMagic();
      ZooKeeperProtos.Table t = builder.mergeFrom(data, magicLen, data.length - magicLen).build();
      return t.getState();
    } catch (InvalidProtocolBufferException e) {
      KeeperException ke = new KeeperException.DataInconsistencyException();
      ke.initCause(e);
      throw ke;
    } catch (DeserializationException e) {
      throw ZKUtil.convert(e);
    }
  }
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      throw new IOException("Can't get master address from ZooKeeper; znode data == null");
    }
    try {
      return ServerName.parseFrom(data);
    } catch (DeserializationException e) {
      KeeperException ke = new KeeperException.DataInconsistencyException();
      ke.initCause(e);
      throw ke;
    }
  }
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      ZooKeeperProtos.Table.Builder builder = ZooKeeperProtos.Table.newBuilder();
      int magicLen = ProtobufUtil.lengthOfPBMagic();
      ZooKeeperProtos.Table t = builder.mergeFrom(data, magicLen, data.length - magicLen).build();
      return t.getState();
    } catch (InvalidProtocolBufferException e) {
      KeeperException ke = new KeeperException.DataInconsistencyException();
      ke.initCause(e);
      throw ke;
    } catch (DeserializationException e) {
      throw ZKUtil.convert(e);
    }
  }
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      LOG.error("Unexpected ZooKeeper error when listing children", e);
      throw new IOException("Unexpected ZooKeeper exception", e);
    }
    if (children == null) return;

    KeeperException deferred = null;
    Stat stat = new Stat();
    long expireDate = System.currentTimeMillis() - timeout; //we are using cTime in zookeeper
    for (String child : children) {
      if (isChildOfSameType(child)) {
        String znode = ZKUtil.joinZNode(parentLockNode, child);
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      ZooKeeperProtos.Table.Builder builder = ZooKeeperProtos.Table.newBuilder();
      int magicLen = ProtobufUtil.lengthOfPBMagic();
      ZooKeeperProtos.Table t = builder.mergeFrom(data, magicLen, data.length - magicLen).build();
      return t.getState();
    } catch (InvalidProtocolBufferException e) {
      KeeperException ke = new KeeperException.DataInconsistencyException();
      ke.initCause(e);
      throw ke;
    } catch (DeserializationException e) {
      throw ZKUtil.convert(e);
    }
  }
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      throw new IOException("Can't get master address from ZooKeeper; znode data == null");
    }
    try {
      return ServerName.parseFrom(data);
    } catch (DeserializationException e) {
      KeeperException ke = new KeeperException.DataInconsistencyException();
      ke.initCause(e);
      throw ke;
    }
  }
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