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YARN-1591. Fixed AsyncDispatcher to handle interrupts on shutdown in a sane manner and thus fix failure of TestResourceTrackerService. Contributed by Tsuyoshi Ozawa. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578628 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2014-03-17 22:17:43 +00:00
parent 6a89e57b8d
commit 81a456e638
4 changed files with 20 additions and 7 deletions
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4
hadoop-yarn-project/CHANGES.txt
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@ -501,6 +501,10 @@ Release 2.4.0 - UNRELEASED
YARN-1206. Fixed AM container log to show on NM web page after application
finishes if log-aggregation is disabled. (Rohith Sharmaks via jianhe)
YARN-1591. Fixed AsyncDispatcher to handle interrupts on shutdown in a sane
manner and thus fix failure of TestResourceTrackerService. (Tsuyoshi Ozawa
via vinodkv)
Release 2.3.1 - UNRELEASED
INCOMPATIBLE CHANGES

7
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
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@ -174,12 +174,13 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
} else {
throw new Exception("No handler for registered for " + type);
}
}
catch (Throwable t) {
} catch (Throwable t) {
//TODO Maybe log the state of the queue
LOG.fatal("Error in dispatcher thread", t);
// If serviceStop is called, we should exit this thread gracefully.
if (exitOnDispatchException
&& (ShutdownHookManager.get().isShutdownInProgress()) == false) {
&& (ShutdownHookManager.get().isShutdownInProgress()) == false
&& stopped == false) {
LOG.info("Exiting, bbye..");
System.exit(-1);
}

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -630,7 +630,7 @@ public class ResourceManager extends CompositeService implements Recoverable {
}
this.eventQueue.put(event);
} catch (InterruptedException e) {
throw new YarnRuntimeException(e);
LOG.info("Interrupted. Trying to exit gracefully.");
}
}
}

14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java
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@ -30,6 +30,8 @@ import org.junit.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.metrics2.MetricsSystem;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
@ -63,7 +65,7 @@ public class TestResourceTrackerService {
private final static File TEMP_DIR = new File(System.getProperty(
"test.build.data", "/tmp"), "decommision");
private File hostFile = new File(TEMP_DIR + File.separator + "hostFile.txt");
private final File hostFile = new File(TEMP_DIR + File.separator + "hostFile.txt");
private MockRM rm;
/**
@ -468,7 +470,7 @@ public class TestResourceTrackerService {
@Test
public void testNodeRegistrationWithContainers() throws Exception {
MockRM rm = new MockRM();
rm = new MockRM();
rm.init(new YarnConfiguration());
rm.start();
RMApp app = rm.submitApp(1024);
@ -491,7 +493,7 @@ public class TestResourceTrackerService {
@Test
public void testReconnectNode() throws Exception {
final DrainDispatcher dispatcher = new DrainDispatcher();
MockRM rm = new MockRM() {
rm = new MockRM() {
@Override
protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
return new SchedulerEventDispatcher(this.scheduler) {
@ -593,9 +595,15 @@ public class TestResourceTrackerService {
if (hostFile != null && hostFile.exists()) {
hostFile.delete();
}
ClusterMetrics.destroy();
if (rm != null) {
rm.stop();
}
MetricsSystem ms = DefaultMetricsSystem.instance();
if (ms.getSource("ClusterMetrics") != null) {
DefaultMetricsSystem.shutdown();
}
}
}