[ARROW-15778] [Java] Endianness field not emitted in IPC stream

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.0.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/31221
• Assignee: Kazuaki Ishizaki
• Reporter: Antoine Pitrou
• Created: 24/Feb/22 15:08
• Updated: 11/Jan/23 11:39
• Resolved: 05/Apr/22 22:34

Description

It seems the Java IPC writer implementation does not emit the Endianness information at all (making it Little by default). This complicates interoperability with the C++ IPC reader, which does read this information and acts on it to decide whether it needs to byteswap the incoming data.

Issue Links

• links to: GitHub Pull Request #12777