但是，在应用程序重启和网络故障时消息可以保留。
However, messages will survive application restarts and network failures.
而且，存储库状态还应该能够不受服务器或应用程序重启的影响。
Nevertheless, the repository's state should survive a server or application restart.
当应用程序重启但它们的类加载器没有清理时，将发生应用程序类加载器泄露。
An application class loader leak occurs when applications are restarted but their class loaders are not cleaned up.
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