[jira] [Assigned] (FLINK-17789) DelegatingConfiguration should remove prefix instead of add prefix in toMap

["Jingsong Lee (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-17789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jingsong Lee reassigned FLINK-17789:
------------------------------------

    Assignee: liufangliang

> DelegatingConfiguration should remove prefix instead of add prefix in toMap
> ---------------------------------------------------------------------------
>
>                 Key: FLINK-17789
>                 URL: https://issues.apache.org/jira/browse/FLINK-17789
>             Project: Flink
>          Issue Type: Bug
>          Components: API / Core
>            Reporter: Jingsong Lee
>            Assignee: liufangliang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.12.0
>
>
> {code:java}
> Configuration conf = new Configuration();
> conf.setString("k0", "v0");
> conf.setString("prefix.k1", "v1");
> DelegatingConfiguration dc = new DelegatingConfiguration(conf, "prefix.");
> System.out.println(dc.getString("k0", "empty")); // empty
> System.out.println(dc.getString("k1", "empty")); // v1
> System.out.println(dc.toMap().get("k1")); // should be v1, but null
> System.out.println(dc.toMap().get("prefix.prefix.k1")); // should be null, but v1
> {code}



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