YARN-8726. [UI2] YARN UI2 is not accessible when config.env file failed to 
load. Contributed by Akhil PB.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/0cc6e039
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/0cc6e039
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/0cc6e039

Branch: refs/heads/HDFS-12943
Commit: 0cc6e039454127984a3aa5b2ba5d9151e4a72dd4
Parents: 51fda2d
Author: Sunil G <[email protected]>
Authored: Tue Sep 18 12:31:55 2018 +0530
Committer: Sunil G <[email protected]>
Committed: Tue Sep 18 12:31:55 2018 +0530

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 .../hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js     | 3 +++
 1 file changed, 3 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/0cc6e039/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js
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diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js
index 96c8fcf..98d1348 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/initializers/loader.js
@@ -88,6 +88,9 @@ function updateConfigs(application) {
   var hostname = window.location.hostname;
   var rmhost = hostname + (window.location.port ? ':' + window.location.port: 
'') + skipTrailingSlash(window.location.pathname);
 
+  window.ENV = window.ENV || {};
+  window.ENV.hosts = window.ENV.hosts || {};
+
   if(!ENV.hosts.rmWebAddress) {
     ENV.hosts.rmWebAddress = rmhost;
     ENV.hosts.protocolScheme = window.location.protocol;


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