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List:       avro-dev
Subject:    [jira] [Updated] (AVRO-1886) Improve error reporting for schema validation
From:       "Fokko Driesprong (JIRA)" <jira () apache ! org>
Date:       2019-02-18 10:55:00
Message-ID: JIRA.12990793.1468940925000.317904.1550487300599 () Atlassian ! JIRA
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     [ https://issues.apache.org/jira/browse/AVRO-1886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Fokko Driesprong updated AVRO-1886:
-----------------------------------
    Fix Version/s:     (was: 1.8.3)
                       (was: 1.9.0)
                   1.10.0

> Improve error reporting for schema validation
> ---------------------------------------------
> 
> Key: AVRO-1886
> URL: https://issues.apache.org/jira/browse/AVRO-1886
> Project: Apache Avro
> Issue Type: Improvement
> Components: ruby
> Reporter: Miroslav Csonka
> Assignee: Miroslav Csonka
> Priority: Major
> Fix For: 1.10.0
> 
> 
> In Funding Circle we use avro schema to validate some financial data and we've \
> found ourselves wondering what is invalid. We've noticed that avro [does already \
> validation|https://github.com/apache/avro/blob/master/lang/ruby/lib/avro/schema.rb#L94], \
> but does not report what fields are invalid, so we've decided to change it and we \
> use Avro as a validation library. h5. What error messages to expect?
> We communicate errors for a given payload in format "at <path> <expected> \
> <received>". For <path> we've decided to use syntax similar to json path:
> * . refers to root
> * \[0\] first index in array
> * .age would match 42 from {"age": 42}
> Error within object *person* and his optional array *houses* on *second item* with \
> key *number_of_rooms*: {quote}
> at .person.houses\[1\].number_of_rooms expected type long, got string with value \
> "not valid at all" {quote}
> Example of multiple errors for a single payload:
> {quote}
> at .\[0\] expected type int, got null
> at .\[1\] expected type int, got string with value \"e\"
> {quote}
> More examples can be seen at \
> https://github.com/apache/avro/pull/111/files#diff-830ac80276854fceefa3f92c346d165f



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