elek commented on issue #1520: HDDS-2175. Propagate stack trace for OM Exceptions to the Client. Contributed by Supratim Deka URL: https://github.com/apache/hadoop/pull/1520#issuecomment-534923342 Thank you very much to file this issue @supratimdeka. The big question (for me) is the type of the exceptions. There are two kind of exception: * Business exceptions (eg. VolumeNotFound) and * System exceptions (eg. connection refused). This particular code is about propagating the business exceptions. I am not sure if we need to propagate the strack trace there. For example a VOLUME_NOT_FOUND doesn't require any exception message to be propagated. It's enough to propagate the error type and the message. (This is what we do.) In case of a real system exception the stack trace is is propagated with Hadoop RPC (inside an RpcException If I remember well... The full stack trace is propagated there...)
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