Analyzing Crashed JVMs - Inside Java Newscast #109

Подписывайся на наши соц сети: The Java tool jcmd ("j command") sends diagnostic commands to the JVM, which will react by supplying the desired information: from finalizer queues to heap and thread dumps, from GC insights to virtual thread scheduler statistics. At the moment, this requires a running JVM, but once candidate JEP 528 is adopted, a lot of that information can be seamlessly extracted from a crashed JVM&core dump, allowing easy post-mortem analysis. Links: ~~~~~ Chapters ~~~~~ 0:00 Intro 0:18 A jcmd Primer 1:16 Reanimating a Dead JVM&Brain 2:45 Example & Limitations