iTMSTransporter not working with ipv6

Number:rdar://FB7584635 Date Originated:17/02/2020
Status:Closed Resolved:24/06/2020
Product:‌Something else not on this list Product Version:
Classification: Reproducible:
> Please describe the issue:
iTMSTransporter not working with ipv6, which leads that the `altool --upload-app` also does not work.
Its related with bug in Java:
This bug fixed in java 8u202, but iTMSTransporter comes together with java 8u131.

> Please list the steps you took to reproduce the issue:
Environment: Mac mini 2018; Ethernet connection, ipv6 only; Xcode 11.
Run command: `xcrun iTMSTransporter`

> What did you expect to happen?
No java exceptions.

> What actually happened? No route to host (Host unreachable)


Fixed in Xcode 12

Please note: Reports posted here will not necessarily be seen by Apple. All problems should be submitted at before they are posted here. Please only post information for Radars that you have filed yourself, and please do not include Apple confidential information in your posts. Thank you!