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

[Shang Yuanchun (Jira)]

Jingsong Lee created FLINK-17789:
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             Summary: 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
             Fix For: 1.11.0


{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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