[jira] [Commented] (AVRO-3375) add union branch, array index and map key "path" information to serialization errors

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AVRO-3375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17494418#comment-17494418 ] 

ASF subversion and git services commented on AVRO-3375:
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Commit 4c24d9ddddc8cc7d507caf495a4f93f3c7255654 in avro's branch refs/heads/master from Radai Rosenblatt
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=4c24d9d ]

AVRO-3375: Better error messages out of generic and specific DatumWriters (#1526)

* AVRO-3375 - better error messages out of generic and specific DatumWriters

this commit introduces "path tracking" to trace the path from a root datum object to be written to the location of 3 common serialization errors:
NullPointerExceptions, ClassCastExceptions and AvroTypeExceptions.

path tracing is done using AvroPath-like path components and predicates that would maybe become part of a future implementation of AVRO-992

note that path tracing does not woth if custom coders are in use for serialization (neither does the tracking code this commit replaces).

* address review comments

* address more review comments

Co-authored-by: Radai Rosenblatt <rr...@rrosenbl-mn2.linkedin.biz>

> add union branch, array index and map key "path" information to serialization errors
> ------------------------------------------------------------------------------------
>
>                 Key: AVRO-3375
>                 URL: https://issues.apache.org/jira/browse/AVRO-3375
>             Project: Apache Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.11.0
>            Reporter: radai rosenblatt
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 6h
>  Remaining Estimate: 0h
>
> https://issues.apache.org/jira/browse/AVRO-2514 improved serialization error messages greatly by providing more information about the "location" of a piece of erroneous data in the object graph handed to a serializer.
>  
> however, a few more things can be improved:
>  * no info printed about which union branches were selected/used
>  * no info printed about array indexes or map keys
>  * (subjective) text could be made more concise.



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