Github user chtyim commented on a diff in the pull request:
https://github.com/apache/twill/pull/6#discussion_r76372148
--- Diff:
twill-yarn/src/main/hadoop21/org/apache/twill/internal/yarn/Hadoop21YarnAppClient.java
---
@@ -58,16 +58,24 @@
public final class Hadoop21YarnAppClient extends AbstractIdleService
implements YarnAppClient {
private static final Logger LOG =
LoggerFactory.getLogger(Hadoop21YarnAppClient.class);
- private final YarnClient yarnClient;
+ private final Configuration configuration;
public Hadoop21YarnAppClient(Configuration configuration) {
- this.yarnClient = YarnClient.createYarnClient();
+ this.configuration = configuration;
+ }
+
+ // Creates and starts a yarn client
+ private YarnClient createYarnClient() {
+ YarnClient yarnClient = YarnClient.createYarnClient();
yarnClient.init(configuration);
+ yarnClient.start();
+ return yarnClient;
}
@Override
public ProcessLauncher<ApplicationMasterInfo>
createLauncher(TwillSpecification twillSpec,
@Nullable
String schedulerQueue) throws Exception {
+ final YarnClient yarnClient = createYarnClient();
--- End diff --
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