/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public override void LaunchAM(ApplicationAttemptId attemptId)
{
YarnApplicationAttemptState attemptState = this.rmClient.GetApplicationAttemptReport
(attemptId).GetYarnApplicationAttemptState();
NUnit.Framework.Assert.IsTrue(attemptState.Equals(YarnApplicationAttemptState.Launched
));
base.LaunchAM(attemptId);
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
private ApplicationAttemptReport MonitorCurrentAppAttempt(ApplicationId appId, YarnApplicationAttemptState
attemptState)
{
long startTime = Runtime.CurrentTimeMillis();
ApplicationAttemptId attemptId = null;
while (true)
{
if (attemptId == null)
{
attemptId = rmClient.GetApplicationReport(appId).GetCurrentApplicationAttemptId();
}
ApplicationAttemptReport attemptReport = null;
if (attemptId != null)
{
attemptReport = rmClient.GetApplicationAttemptReport(attemptId);
if (attemptState.Equals(attemptReport.GetYarnApplicationAttemptState()))
{
return(attemptReport);
}
}
Log.Info("Current attempt state of " + appId + " is " + (attemptReport == null ?
" N/A " : attemptReport.GetYarnApplicationAttemptState()) + ", waiting for current attempt to reach "
+ attemptState);
try
{
Sharpen.Thread.Sleep(1000);
}
catch (Exception)
{
Log.Warn("Interrupted while waiting for current attempt of " + appId + " to reach "
+ attemptState);
}
if (Runtime.CurrentTimeMillis() - startTime > AmStateWaitTimeoutMs)
{
string errmsg = "Timeout for waiting current attempt of " + appId + " to reach "
+ attemptState;
Log.Error(errmsg);
throw new RuntimeException(errmsg);
}
}
}