A more detailed description
https://github.com/apache/incubator-doris/issues/6386
在 2021/8/5 下午2:30，“陈明雨”<morning...@163.com> 写入:
Optional.orElseThrow will throw an exception if not exist?
But for most replay edit log logic, if table does not exist, we should just
return, not throw exception.
--
此致！Best Regards
陈明雨 Mingyu Chen
Email:
chenmin...@apache.org
在 2021-08-03 19:54:42，"Shuo Wang" <wangshuo...@gmail.com> 写道：
>+1
>
>迟成 <chich...@meituan.com.invalid> 于2021年8月3日周二 下午6:16写道：
>
>> The replay NPE bug has caused many cases that make all FE down.
>> To avoid this from happening, It’s necessary to check null when get DB
and
>> Table object at any time.
>> I suggest that returns Optional object when get DB and Table object to
>> normalize the null check. DdlException and AnalysisException can be
throwed
>> by Optional.orElseThrow. Replay routine can log a warning when meet the
>> unexpected absence of DB and Table to trace possible cases of metadata
>> inconsistency.
>>
>> =。=
>>
>>
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