红帽全球峰会12.2. 程序错误修复
Red Hat Update Infrastructure 4.9 中解决了以下程序漏洞，对用户有严重影响。
- 如果发生网络中断，避免同步假设挂起
- 在过去，如果在存储库同步过程中发生网络中断，同步可能会无限期挂起。在这个版本中，底层代码中将使用网络超时来防止这种情况。
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