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https://issues.apache.org/jira/browse/KYLIN-3842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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nichunen closed KYLIN-3842.
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Resolved in release v3.0.0(2019-12-20)
> kylinProperties.js Unable to get the public configuration of the first line
> in the front end
> --------------------------------------------------------------------------------------------
>
> Key: KYLIN-3842
> URL: https://issues.apache.org/jira/browse/KYLIN-3842
> Project: Kylin
> Issue Type: Bug
> Components: Web
> Affects Versions: v2.5.2
> Reporter: Yuzhang QIU
> Assignee: Yuzhang QIU
> Priority: Minor
> Fix For: Future, v3.0.0
>
> Attachments: KYLIN-3842.master.001.patch
>
>
> Hi dear team:
> I'm developing OLAP Platform based on Kylin2.5.2. During my work, I found
> that kylinProperties.js:37(getProperty(name)) can't get the property of the
> first line in the '_config' which initialized through /admin/public_config.
> For example, the public config is
> 'kylin.restclient.connection.default-max-per-route=20\nkylin.restclient.connection.max-total=200\nkylin.engine.default=2\nkylin.storage.default=2\n
> kylin.web.hive-limit=20\nkylin.web.help.length=4\n'. I expected to get 20
> but got '' when I want to get config by key
> 'kylin.restclient.connection.default-max-per-route'. This problem caused by
> 'var keyIndex = _config.indexOf('\n' + name + '=');'(at
> kylinProperties.js:37) return -1 for those names before which don't have an
> \n(at the first line).
> Then, I debug the AdminService.java, KylinConfig.java and found that the
> KylinConfig.java:517(around this line, in method
> exportToString(Collection<String> propertyKeys)) build the public config
> string with a char '\n' after each property, which cause the first property
> don't has '\n' before it.
> Those are what I found, which will cause problem for developers.
> How do you think?
> Best regard
> yuzhang
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