Java SSL 信任库设置
在一个应用程序中，我通过 SSL 使用三种不同的连接。 其中两个已签名证书，但我正在对其进行身份验证：
System.setProperty("javax.net.ssl.trustStore","F:\\eclipse\\terefere\\testkeystore");
System.setProperty("javax.net.ssl.trustStorePassword","123456");
问题是 - 如何在连接结束时删除这些设置，以便下一个连接使用新服务器的证书？
In one application i'm using three different connections by SSL.
Two of them have signed certificates, but one I'm authenticating with:
System.setProperty("javax.net.ssl.trustStore","F:\\eclipse\\terefere\\testkeystore");
System.setProperty("javax.net.ssl.trustStorePassword","123456");
Question is - how to get rid of these settings at the end of connection so that next connection is using new server's certificate ?
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您当然可以记住这些属性的旧值并在调用后重新设置它们。
但这会引入竞争条件：如果另一个线程在设置此信任存储时建立 SSL 连接，它也将使用此信任存储而不是标准信任存储。
更好的方法是使用此信任存储来专门用于此连接，而不触及系统属性。不过，这是否容易（甚至可能）取决于哪个库正在建立 SSL 连接。
You could of course remember the old values of these properties and re-set them after this call.
This would introduce a race condition though: if another thread makes an SSL connection while this trust store has been set, it will also use this trust store instead of the standard one.
Better would be to use this trust store for specifically this connection without touching the system properties. Whether this is easy (or even possible) depends on what library is making the SSL connection, though.