Akhil Naik created AMBARI-25523:
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Summary: AMBARI UI KEEPS LOADING AT STEP3 WHILE ADDING THE NEW
NAMESPACE FOR HDFS For the Second Time
Key: AMBARI-25523
URL: https://issues.apache.org/jira/browse/AMBARI-25523
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: 2.7.5
Reporter: Akhil Naik
Assignee: Szabolcs Beki
Problem Statement : I am Trying to add namespace to HDFS via Ambari, my HDFS
already have two namespaces : namespace1,namespace2 . when i am trying to add
the third one say : namespace3, it fails with below script error at Step3:
{code:java}
app.js:5310 Uncaught TypeError: Cannot read property 'split' of undefined
at Class.prepareDependencies (app.js:5310)
at Class.tweakServiceConfigs (app.js:5337)
at Class.onLoad (app.js:5293)
at invokeAction (vendor.js:15179)
at iterateSet (vendor.js:15161)
at Object.sendEvent (vendor.js:15278)
at notifyObservers (vendor.js:13870)
at Object.Ember.notifyObservers (vendor.js:13985)
at Object.propertyDidChange (vendor.js:14618)
at set (vendor.js:13424)
{code}
Analysis : Upon analysing the code :
https://github.com/apache/ambari/blob/release-2.7.5/ambari-web/app/controllers/main/admin/federation/step3_controller.js#L110
It looks we are blindly taking 0th nameService as the one that have namenode1
and namenode2 and then assiging the namenode1 and namenode2 :
{code:java}
var nameServices =
App.HDFSService.find().objectAt(0).get('masterComponentGroups').mapProperty('name');
ret.nameServicesList = nameServices.join(',');
ret.nameservice1 = nameServices[0];
ret.newNameservice = this.get('content.nameServiceId');
ret.namenode1 = hdfsSiteConfigs['dfs.namenode.rpc-address.' +
ret.nameservice1 + '.nn1'].split(':')[0];
ret.namenode2 = hdfsSiteConfigs['dfs.namenode.rpc-address.' +
ret.nameservice1 + '.nn2'].split(':')[0];
{code}
The abouve logic is wrong, when you try to fetch `nameServices` as abouve the
order is not neccessarly the way it was created
This logic need to rewramped.
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