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

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-19396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-19396:
-----------------------------------
    Labels: pull-request-available  (was: )

> 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: 1.10.0, 1.10.1, 1.11.0, 1.10.2, 1.11.2
>            Reporter: zhangmeng
>            Priority: Major
>              Labels: pull-request-available
>
> 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.
>  
>  
> 链接kafka失败！！！java.lang.Boolean cannot be cast to java.lang.String
>  48704:java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
>  48787:at org.apache.flink.table.descriptors.Kafka.lambda$properties$0(Kafka.java:99)
>  48867:at java.util.Hashtable.forEach(Hashtable.java:878)
>  48919:at org.apache.flink.table.descriptors.Kafka.properties(Kafka.java:99)
>  



--
This message was sent by Atlassian Jira
(v8.3.4#803005)