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Posted to jira@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2021/02/07 23:28:00 UTC
[jira] [Resolved] (ARROW-11483) [Java][C++][Integration] C++
integration test creates JSON files incompatible with Java
[ https://issues.apache.org/jira/browse/ARROW-11483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Micah Kornfield resolved ARROW-11483.
-------------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9405
[https://github.com/apache/arrow/pull/9405]
> [Java][C++][Integration] C++ integration test creates JSON files incompatible with Java
> ---------------------------------------------------------------------------------------
>
> Key: ARROW-11483
> URL: https://issues.apache.org/jira/browse/ARROW-11483
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Integration, Java
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The C++ {{arrow-json-integration-test}} runner always emits an empty {{children}} array for non-nested fields, but the Java JSON reader for some reason uses an inflexible tokenize-based parsing technique and refuses such files:
> https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/ipc/JsonFileReader.java#L722-L740
> Typically the error message is as follows:
> {code}
> Incompatible files
> Expected END_OBJECT but got FIELD_NAME
> 16:30:12.557 [main] ERROR org.apache.arrow.tools.Integration - Incompatible files
> java.lang.IllegalStateException: Expected END_OBJECT but got FIELD_NAME
> at org.apache.arrow.vector.ipc.JsonFileReader.readToken(JsonFileReader.java:779)
> at org.apache.arrow.vector.ipc.JsonFileReader.readFromJsonIntoVector(JsonFileReader.java:740)
> at org.apache.arrow.vector.ipc.JsonFileReader.read(JsonFileReader.java:219)
> at org.apache.arrow.tools.Integration$Command$3.execute(Integration.java:203)
> at org.apache.arrow.tools.Integration.run(Integration.java:118)
> at org.apache.arrow.tools.Integration.main(Integration.java:69)
> {code}
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