JDK Commands

• To get pid of the java
  cd to jdk_folder/bin
  jps -lv
• To get thread dump
  
  • Using the jstack cd to jdk_folder/bin
    jstack -F pid
  • Using JVisualVM cd to jdk_folder/bin
    Click on jvisualvm.exe
    Local -> java pid -> Thread -> ThreadDump
  • Java Mission Control (JMC) Java applications running locally or deployed in production environments.
    cd to jdk_folder\bin
    JVM Browser -> start flieght recording -> Next -> Finish -> Thread -> Thread Dump
  • using java code
    ThreadMXBean thx= ManagementFactory.getThreadMXBean();
    long[] tids = thx.getAllThreadIds();
    ThreadInfo[] thinfo = thx.getThreadInfo(tids);
    Arrays.stream(thinfo).forEach(
    (th) ->
    {
    System.out.println("Thread Name "+th.getThreadName());
    System.out.println(""+th.getBlockedCount());
    });