@chmaynard No, that was just from iTunes Connect. After some searching, it seems to be a pretty common but non-fatal problem.
@chmaynard It eventually succeeded, then told me the API analysis file was too large. Now the build is Uploaded but not available to submit.
Application Loader stalled for 5 minutes "Verifying assets with the App Store."
eaglefiler EagleFiler 1.6.5 makes searching faster and includes lots of other enhancements and fixes: c-command.com/blog/2015/06/0…