bkietz opened a new issue, #43836: URL: https://github.com/apache/arrow/issues/43836
### Describe the bug, including details regarding any error messages, version, and platform. The format guarantees that each IPC file [embeds a valid IPC stream](https://github.com/apache/arrow/blob/bde6ac57ad943f5938506359de1b13fb85b4f8ea/docs/source/format/Columnar.rst) in order to allow readers to ignore the Footer, skip the file's leading magic, and reuse a stream reader. https://github.com/apache/arrow/pull/43834 adds validation of the embedded IPC stream and files written by JavaScript fail. When writing IPC files JavaScript seems to [omit the stream's Schema message](https://github.com/apache/arrow/actions/runs/10565413633/job/29269867382?pr=43834#step:9:26987) rendering the file unreadable by a stream-only reader. ### Component(s) Integration, JavaScript -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
