Austinfjq opened a new pull request, #3147:
URL: https://github.com/apache/celeborn/pull/3147
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### What changes were proposed in this pull request?
`org.apache.flink.runtime.io.network.partition.consumer.PartitionConnectionException`
is thrown when RemoteBufferStreamReader finds that the current exception is
about connection failure.
### Why are the changes needed?
If
`org.apache.flink.runtime.io.network.partition.consumer.PartitionConnectionException`
is correctly thrown to reflect connection failure, then Flink can be aware of
the lost Celeborn server side nodes and be able to re-compute affected data.
Otherwise, endless retries could cause Flink job failure.
This PR is to deal with exceptions like:
```
java.io.IOException:
org.apache.celeborn.common.exception.CelebornIOException: Failed to connect to
ltx1-app10154.prod.linkedin.com/10.88.105.20:23924
```
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Tested in a Flink batch job with Celeborn.
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