Examples with YarnUncaughtExceptionHandler org.apache.hadoop.yarn.YarnUncaughtExceptionHandler used on opensource projects

Example 11 with YarnUncaughtExceptionHandler

use of org.apache.hadoop.yarn.YarnUncaughtExceptionHandler in project hadoop by apache.

the class MRAppMaster method main.

public static void main(String[] args) {
    try {
        mainStarted = true;
        Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
        String containerIdStr = System.getenv(Environment.CONTAINER_ID.name());
        String nodeHostString = System.getenv(Environment.NM_HOST.name());
        String nodePortString = System.getenv(Environment.NM_PORT.name());
        String nodeHttpPortString = System.getenv(Environment.NM_HTTP_PORT.name());
        String appSubmitTimeStr = System.getenv(ApplicationConstants.APP_SUBMIT_TIME_ENV);
        validateInputParam(containerIdStr, Environment.CONTAINER_ID.name());
        validateInputParam(nodeHostString, Environment.NM_HOST.name());
        validateInputParam(nodePortString, Environment.NM_PORT.name());
        validateInputParam(nodeHttpPortString, Environment.NM_HTTP_PORT.name());
        validateInputParam(appSubmitTimeStr, ApplicationConstants.APP_SUBMIT_TIME_ENV);
        ContainerId containerId = ContainerId.fromString(containerIdStr);
        ApplicationAttemptId applicationAttemptId = containerId.getApplicationAttemptId();
        if (applicationAttemptId != null) {
            CallerContext.setCurrent(new CallerContext.Builder("mr_appmaster_" + applicationAttemptId.toString()).build());
        }
        long appSubmitTime = Long.parseLong(appSubmitTimeStr);
        MRAppMaster appMaster = new MRAppMaster(applicationAttemptId, containerId, nodeHostString, Integer.parseInt(nodePortString), Integer.parseInt(nodeHttpPortString), appSubmitTime);
        ShutdownHookManager.get().addShutdownHook(new MRAppMasterShutdownHook(appMaster), SHUTDOWN_HOOK_PRIORITY);
        JobConf conf = new JobConf(new YarnConfiguration());
        conf.addResource(new Path(MRJobConfig.JOB_CONF_FILE));
        MRWebAppUtil.initialize(conf);
        // log the system properties
        String systemPropsToLog = MRApps.getSystemPropertiesToLog(conf);
        if (systemPropsToLog != null) {
            LOG.info(systemPropsToLog);
        }
        String jobUserName = System.getenv(ApplicationConstants.Environment.USER.name());
        conf.set(MRJobConfig.USER_NAME, jobUserName);
        initAndStartAppMaster(appMaster, conf, jobUserName);
    } catch (Throwable t) {
        LOG.fatal("Error starting MRAppMaster", t);
        ExitUtil.terminate(1, t);
    }
}