[jira] [Created] (FLINK-8880) Validate configurations for SQL Client

[Xingcan Cui (JIRA)]

Xingcan Cui created FLINK-8880:
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             Summary: Validate configurations for SQL Client
                 Key: FLINK-8880
                 URL: https://issues.apache.org/jira/browse/FLINK-8880
             Project: Flink
          Issue Type: Sub-task
            Reporter: Xingcan Cui


Currently, the configuration items for SQL client are stored in maps and 
accessed with default values. They should be validated when creating the 
client. Also, logger warnings should be shown when using default values.



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