深入探索 Java 热部署 - ImportNew



深入探索 Java 热部署 - ImportNew

解 决 hotswap 是个困难的课题,本文解决的仅仅是让新实例化的对象使用新的逻辑,并不能改变已经实例化对象的行为,如果 JVM 能够重新设计 class 的生命周期,支持运行时重新更新一个 class,hotswap 就会成为 Java 的一个闪亮新特性。官方的 JVM 一直没有解决热部署这个问题,可能也是由于无法完全克服其中的诸多难点,希望未来的 Jdk 能解决这个问题,让 Java 应用对于更新更友好,避免不断重启应用浪费的时间。


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