morningman opened a new pull request, #21520:
URL: https://github.com/apache/doris/pull/21520
## Proposed changes
If this is no `info file` in repository, the mysql connection may lost when
user executing `show snapshot on repo`,
```
2023-07-05 09:22:48,689 WARN (mysql-nio-pool-0|199)
[ReadListener.lambda$handleEvent$0():60] Exception happened in one
session(org.apache.doris.qe.ConnectContext@730797c1).
java.io.IOException: Error happened when receiving packet.
at
org.apache.doris.qe.ConnectProcessor.processOnce(ConnectProcessor.java:691)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52)
~[doris-fe.jar:1.2-SNAPSHOT]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
~[?:1.8.0_322]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
~[?:1.8.0_322]
at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_322]
```
This is because there are some field missing in returned result set.
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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