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Posted to dev@flink.apache.org by "zhangmeng (Jira)" <ji...@apache.org> on 2020/09/24 10:51:00 UTC

[jira] [Created] (FLINK-19396) Fix properties type cast error

zhangmeng created FLINK-19396:
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             Summary: Fix properties type cast error
                 Key: FLINK-19396
                 URL: https://issues.apache.org/jira/browse/FLINK-19396
             Project: Flink
          Issue Type: Bug
          Components: Connectors / Kafka
    Affects Versions: 1.11.2
            Reporter: zhangmeng


Properties extends Hashtable<Object,Object> ,The key and value of the Properties class support object objects. If the user's value is a boolean type, this code "(String) k, (String) v" will occur an error.

such as : java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String



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