org.apache.hadoop.mapreduce.protocol.ClientProtocolProvider Java Examples

The following examples show how to use org.apache.hadoop.mapreduce.protocol.ClientProtocolProvider. 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: Cluster.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
private void initialize(InetSocketAddress jobTrackAddr, Configuration conf)
    throws IOException {

  synchronized (frameworkLoader) {
    for (ClientProtocolProvider provider : frameworkLoader) {
      LOG.debug("Trying ClientProtocolProvider : "
          + provider.getClass().getName());
      ClientProtocol clientProtocol = null; 
      try {
        if (jobTrackAddr == null) {
          clientProtocol = provider.create(conf);
        } else {
          clientProtocol = provider.create(jobTrackAddr, conf);
        }

        if (clientProtocol != null) {
          clientProtocolProvider = provider;
          client = clientProtocol;
          LOG.debug("Picked " + provider.getClass().getName()
              + " as the ClientProtocolProvider");
          break;
        }
        else {
          LOG.debug("Cannot pick " + provider.getClass().getName()
              + " as the ClientProtocolProvider - returned null protocol");
        }
      } 
      catch (Exception e) {
        LOG.info("Failed to use " + provider.getClass().getName()
            + " due to error: " + e.getMessage());
      }
    }
  }

  if (null == clientProtocolProvider || null == client) {
    throw new IOException(
        "Cannot initialize Cluster. Please check your configuration for "
            + MRConfig.FRAMEWORK_NAME
            + " and the correspond server addresses.");
  }
}
Example #2
Source File: Cluster.java    From big-c with Apache License 2.0 4 votes vote down vote up 
private void initialize(InetSocketAddress jobTrackAddr, Configuration conf)
    throws IOException {

  synchronized (frameworkLoader) {
    for (ClientProtocolProvider provider : frameworkLoader) {
      LOG.debug("Trying ClientProtocolProvider : "
          + provider.getClass().getName());
      ClientProtocol clientProtocol = null; 
      try {
        if (jobTrackAddr == null) {
          clientProtocol = provider.create(conf);
        } else {
          clientProtocol = provider.create(jobTrackAddr, conf);
        }

        if (clientProtocol != null) {
          clientProtocolProvider = provider;
          client = clientProtocol;
          LOG.debug("Picked " + provider.getClass().getName()
              + " as the ClientProtocolProvider");
          break;
        }
        else {
          LOG.debug("Cannot pick " + provider.getClass().getName()
              + " as the ClientProtocolProvider - returned null protocol");
        }
      } 
      catch (Exception e) {
        LOG.info("Failed to use " + provider.getClass().getName()
            + " due to error: " + e.getMessage());
      }
    }
  }

  if (null == clientProtocolProvider || null == client) {
    throw new IOException(
        "Cannot initialize Cluster. Please check your configuration for "
            + MRConfig.FRAMEWORK_NAME
            + " and the correspond server addresses.");
  }
}