[jira] [Created] (AMBARI-5159) Storm config page not available

["Oleg Nechiporenko (JIRA)" <ji...@apache.org>]

Oleg Nechiporenko created AMBARI-5159:
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             Summary: Storm config page not available
                 Key: AMBARI-5159
                 URL: https://issues.apache.org/jira/browse/AMBARI-5159
             Project: Ambari
          Issue Type: Bug
          Components: client
    Affects Versions: 1.5.1
            Reporter: Oleg Nechiporenko
            Assignee: Oleg Nechiporenko
             Fix For: 1.5.1


Storm Config page not available.
There is javascript-error.
ui.childopts-property doesn't have a default value and Storm config-validator fails with checking this property.

The current behavior is that the {{ui.childopts}} is displayed without any defaultValue (screenshot attached). The validator doesn't  invalidate this property which has no value. Going ahead this property is silently deleted while applying configurations and does not appear in the service config page post-installation.   

The motive in the commit was to fetch the defaultValue from the stack instead of redeclaring it on client side. 

In this ticket we need to address following issues:

# The default value for properties are being redeclared in {{getDefaults}} function of storm_defaults_provider.js. We should fetch the defaultValue from the stack and should not hard-code it in the client code. Actually the default value for ui.childopts got changed in the stack definition with an earlier commit and it was not being reflected on service config page as this was not changed in the client code.

# Blank values should be marked as invalid. As of current behavior ui.childopts with no value is not marked invalid. This is actually marked as invalid if user populate it once and then clear it. 

# Once we fetch the defaultValue from the stack for {{ui.childopts}} and change the property value, the displayed warning message states the entire value as  {{Value is less than the recommended default of -Xmx768m -Djava.security.auth.login.config=/etc/storm/storm_jaas.conf}} (screenshot attached). The warning message should only include Xmx part and not other java options.



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