[GitHub] [helix] jiajunwang opened a new pull request #999: [Backporting] Async write operation should not throw Exception for serializing error (#845)

[GitBox <gi...@apache.org>]

jiajunwang opened a new pull request #999:
URL: https://github.com/apache/helix/pull/999


   This is for backporting the fix in the newer version to fix the issue in the older 0.9.x release.
   
   This change will make the async write operations return error through the async callback instead of throwing exceptions. This change will fix the batch write/create failure due to one single node serializing failure.
   In addition, according to the serializer interface definition, change ZK related serializers to throw ZkMarshallingError instead of ZkClientException.


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