jcmd komutu Thread.print seçeneği - Thread Dump Alır

Giriş

Açıklaması şöyle. Uzunca bir çıktı verebilir.

This command is to get the thread dump i.e. it will print the stack trace of all threads currently running.

Örnek

Şöyle yaparız

# old schoool
jstack <pid>

# more modern
jcmd <pid> Thread.print
jcmd <class-name> Thread.print

# If no JDK, SIGQUIT dumps threads to System.out, extract from there
#   (this will just send a signal to the app, not trigger a shutdown)
kill -QUIT <pid>

# For a Kubernetes pod the java pid is typically 1
kubectl exec <pod-name> -- jstack 1

Örnek

Şöyle yaparız

jcmd pid Thread.print