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YARN-8357. Fixed NPE when YARN service is saved and not deployed. 

Contributed by Chandni Singh
This commit is contained in:
Eric Yang 2018-05-24 16:32:13 -04:00
parent 7ff5a40218
commit d9852eb589
1 changed files with 1 additions and 0 deletions
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
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@ -1198,6 +1198,7 @@ public class ServiceClient extends AppAdminClient implements SliderExitCodes,
ServiceApiUtil.validateNameFormat(serviceName, getConfig());
Service appSpec = new Service();
appSpec.setName(serviceName);
appSpec.setState(ServiceState.STOPPED);
ApplicationId currentAppId = getAppId(serviceName);
if (currentAppId == null) {
LOG.info("Service {} does not have an application ID", serviceName);