[jira] [Updated] (KAFKA-3189) Kafka server returns UnknownServerException for inherited exceptions

["Grant Henke (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Grant Henke updated KAFKA-3189:
-------------------------------
    Summary: Kafka server returns UnknownServerException for inherited exceptions  (was: Kafka server always return UnknownServerException.)

> Kafka server returns UnknownServerException for inherited exceptions
> --------------------------------------------------------------------
>
>                 Key: KAFKA-3189
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3189
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>            Reporter: Jiangjie Qin
>            Assignee: Grant Henke
>             Fix For: 0.9.1.0
>
>
> This issue was introduced in KAFKA-2929. The problem is that we are using o.a.k.common.protocol.Errors.forException() while all exceptions thrown by the broker are still using old scala exception. This cause Errors.forException() always return UnknownServerException.
> We should either switch back to Errors.forException() to ErrorMapping.codeFor() or migrate all the exceptions to Java exception.
> I prefer the latter option since it seems to be a simple class replacement.



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