hi all: for the necessary of debug. I need the thread dump information like below to show me the threads running status.
Full thread dump Java HotSpot(TM) 64-Bit Server VM (16.3-b01 mixed mode): "Attach Listener" daemon prio=10 tid=0x0000000001f55000 nid=0x4726 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE "Keep-Alive-Timer" daemon prio=10 tid=0x0000002c32f15000 nid=0x3c54 waiting on condition [0x0000000047270000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:149) at java.lang.Thread.run(Thread.java:619) "http-80-192" daemon prio=10 tid=0x0000002c3197f800 nid=0x53d0 in Object.wait() [0x000000004f4f2000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x0000002b0c58bc38> (a org.apache.tomcat.util.net.AprEndpoint$Worker) at java.lang.Object.wait(Object.java:485) at org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:1464) - locked <0x0000002b0c58bc38> (a org.apache.tomcat.util.net.AprEndpoint$Worker) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1489) at java.lang.Thread.run(Thread.java:619) "http-80-191" daemon prio=10 tid=0x0000002c310d2800 nid=0x53cf in Object.wait() [0x000000004f3f1000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x0000002b0c56a0f0> (a org.apache.tomcat.util.net.AprEndpoint$Worker) at java.lang.Object.wait(Object.java:485) at org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:1464) - locked <0x0000002b0c56a0f0> (a org.apache.tomcat.util.net.AprEndpoint$Worker) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1489) at java.lang.Thread.run(Thread.java:619) I usually use kill -3 <pid> or jstack to satisify my requirement. when things came to jsvc, it just doesn't work effectively. when i send kill -3 signal to jsvc process, it just simplely <defunct> and gaven nothing output. how can i use the 'kill' to send a signal to jsvc then get an output?
