升级到Xcode 11* 后，上传app store失败，提示需要安装 .jar
App Store Connect Operation Error
A downloaded software component is corrupted and will not be used. https://contentdelivery.itunes.apple.com/transporter/repositories/j2se8/2.0.0/bundles/com.apple.transporter.mediatoolkit-2.0.0.jar
App Store Connect Operation Error
unsatisfied requirement: com.apple.transporter.itmstransporter
App Store Connect Operation Error
(&(package=com.apple.jingle.leghorn.fileformat.exceptions)(version>=2.0.0)(!(version>=3.0.0)))
解决方法：
1、在网页中输入提示 .jar 文件的下载地址进行下载（如上图中：
https://contentdelivery.itunes.apple.com/transporter/repositories/j2se8/2.0.0/bundles/com.apple.transporter.mediatoolkit-2.0.0.jar
）
2、将下载好的 .jar 文件添加到 /Users/mac/Library/Caches/com.apple.amp.itmstransporter/obr/2.0.0 文件夹下。
3、重新上传 .ipa 文件即可。