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YARN-10328. Fixed ZK Curator NodeExists exception in YARN service AM logs 

Contributed by Bilwa S T via eyang
This commit is contained in:
Eric Yang 2020-06-29 09:21:24 -07:00
parent c71ce7ac33
commit 0be26811f3
1 changed files with 4 additions and 1 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/registry/YarnRegistryViewForProviders.java
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@ -143,7 +143,10 @@ public void putComponent(String serviceClass,
ServiceRecord record) throws IOException {
String path = RegistryUtils.componentPath(
user, serviceClass, serviceName, componentName);
registryOperations.mknode(RegistryPathUtils.parentOf(path), true);
String parentPath = RegistryPathUtils.parentOf(path);
if (!registryOperations.exists(parentPath)) {
registryOperations.mknode(parentPath, true);
}
registryOperations.bind(path, record, BindFlags.OVERWRITE);
}