Python protocol parsing doesn't set message error union to ['string'] when no
errors declared
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Key: AVRO-850
URL: https://issues.apache.org/jira/browse/AVRO-850
Project: Avro
Issue Type: Bug
Components: python
Affects Versions: 1.5.0
Reporter: Jeremy Lewi
Assignee: Jeremy Lewi
This bug applies to the python module.
According to the protocol specification
(http://avro.apache.org/docs/current/spec.html#Messages) when no errors are
declared in the protocol for a message, the effective error union is
['string']. The behavior of avro.protocol is not consistent with this
specification. In particular if no errors are declared the "errors" property of
Message will be None and not an instance of ErrorUnionSchema. Consequently, if
a message returns an error an exception gets thrown.
Patch to follow shortly.
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