Examples with AMWebApp org.apache.hadoop.mapreduce.v2.app.webapp.AMWebApp used on opensource projects

Example 1 with AMWebApp

use of org.apache.hadoop.mapreduce.v2.app.webapp.AMWebApp in project hadoop by apache.

the class MRClientService method serviceStart.

protected void serviceStart() throws Exception {
    Configuration conf = getConfig();
    YarnRPC rpc = YarnRPC.create(conf);
    InetSocketAddress address = new InetSocketAddress(0);
    server = rpc.getServer(MRClientProtocol.class, protocolHandler, address, conf, appContext.getClientToAMTokenSecretManager(), conf.getInt(MRJobConfig.MR_AM_JOB_CLIENT_THREAD_COUNT, MRJobConfig.DEFAULT_MR_AM_JOB_CLIENT_THREAD_COUNT), MRJobConfig.MR_AM_JOB_CLIENT_PORT_RANGE);
    // Enable service authorization?
    if (conf.getBoolean(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHORIZATION, false)) {
        refreshServiceAcls(conf, new MRAMPolicyProvider());
    }
    server.start();
    this.bindAddress = NetUtils.createSocketAddrForHost(appContext.getNMHostname(), server.getListenerAddress().getPort());
    LOG.info("Instantiated MRClientService at " + this.bindAddress);
    try {
        // Explicitly disabling SSL for map reduce task as we can't allow MR users
        // to gain access to keystore file for opening SSL listener. We can trust
        // RM/NM to issue SSL certificates but definitely not MR-AM as it is
        // running in user-land.
        webApp = WebApps.$for("mapreduce", AppContext.class, appContext, "ws").withHttpPolicy(conf, Policy.HTTP_ONLY).withPortRange(conf, MRJobConfig.MR_AM_WEBAPP_PORT_RANGE).start(new AMWebApp());
    } catch (Exception e) {
        LOG.error("Webapps failed to start. Ignoring for now:", e);
    }
    super.serviceStart();
}