cmd命令下进入jdk所在文件夹下的bin文件夹下
输入jps命令
找到正在执行的类Test的pid 23720,执行jstack命令
E:\develop\Java\JDK1.8\jdk1.8.0_171\bin>jps
21892
24484 Jps
23720 Test
24872 Launcher
4520 Launcher
E:\develop\Java\JDK1.8\jdk1.8.0_171\bin>jstack -l 23720
2019-07-09 14:40:31
Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.171-b11 mixed mode):
"DestroyJavaVM" #13 prio=5 os_prio=0 tid=0x0000000002aec000 nid=0x1a58 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"Thread-1" #12 prio=5 os_prio=0 tid=0x000000001a048000 nid=0x34c waiting for monitor entry [0x000000001b19f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.zjxt.demo.test.thread.test9.DeadThread.run(DeadThread.java:40)
- waiting to lock <0x00000000d645da78> (a java.lang.Object)
- locked <0x00000000d645da88> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)
Locked ownable synchronizers:
- None
"Thread-0" #11 prio=5 os_prio=0 tid=0x0000000019f1e000 nid=0x342c waiting for monitor entry [0x000000001b09f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.zjxt.demo.test.thread.test9.DeadThread.run(DeadThread.java:26)
- waiting to lock <0x00000000d645da88> (a java.lang.Object)
- locked <0x00000000d645da78> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)
Locked ownable synchronizers:
- None
"Service Thread" #10 daemon prio=9 os_prio=0 tid=0x0000000019dcf000 nid=0x4b40 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"C1 CompilerThread2" #9 daemon prio=9 os_prio=2 tid=0x0000000019b4c000 nid=0x2160 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"C2 CompilerThread1" #8 daemon prio=9 os_prio=2 tid=0x0000000019ad5000 nid=0x434 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"C2 CompilerThread0" #7 daemon prio=9 os_prio=2 tid=0x0000000019ad4000 nid=0x4c28 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"Monitor Ctrl-Break" #6 daemon prio=5 os_prio=0 tid=0x0000000019b4a800 nid=0x2cbc runnable [0x000000001aa9e000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
- locked <0x00000000d64c1300> (a java.io.InputStreamReader)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:161)
at java.io.BufferedReader.readLine(BufferedReader.java:324)
- locked <0x00000000d64c1300> (a java.io.InputStreamReader)
at java.io.BufferedReader.readLine(BufferedReader.java:389)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:64)
Locked ownable synchronizers:
- None
"Attach Listener" #5 daemon prio=5 os_prio=2 tid=0x0000000017852000 nid=0x5cac waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"Signal Dispatcher" #4 daemon prio=9 os_prio=2 tid=0x000000001783d000 nid=0x5c18 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
Locked ownable synchronizers:
- None
"Finalizer" #3 daemon prio=8 os_prio=1 tid=0x0000000017814800 nid=0x2cac in Object.wait() [0x0000000018b6f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000d5e08ed0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
- locked <0x00000000d5e08ed0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:212)
Locked ownable synchronizers:
- None
"Reference Handler" #2 daemon prio=10 os_prio=2 tid=0x0000000002bde000 nid=0x4d08 in Object.wait() [0x0000000018a6e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000d5e06bf8> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
- locked <0x00000000d5e06bf8> (a java.lang.ref.Reference$Lock)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
Locked ownable synchronizers:
- None
"VM Thread" os_prio=2 tid=0x00000000177e8000 nid=0x5ac8 runnable
"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x0000000002b05800 nid=0x2d28 runnable
"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x0000000002b07000 nid=0x3cb0 runnable
"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x0000000002b08800 nid=0x4fc0 runnable
"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x0000000002b0a000 nid=0x3048 runnable
"VM Periodic Task Thread" os_prio=2 tid=0x0000000019de2800 nid=0x4dc4 waiting on condition
JNI global references: 12
Found one Java-level deadlock:
=============================
"Thread-1":
waiting to lock monitor 0x00000000178141c8 (object 0x00000000d645da78, a java.lang.Object),
which is held by "Thread-0"
"Thread-0":
waiting to lock monitor 0x0000000017810128 (object 0x00000000d645da88, a java.lang.Object),
which is held by "Thread-1"
Java stack information for the threads listed above:
===================================================
"Thread-1":
at com.zjxt.demo.test.thread.test9.DeadThread.run(DeadThread.java:40)
- waiting to lock <0x00000000d645da78> (a java.lang.Object)
- locked <0x00000000d645da88> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)
"Thread-0":
at com.zjxt.demo.test.thread.test9.DeadThread.run(DeadThread.java:26)
- waiting to lock <0x00000000d645da88> (a java.lang.Object)
- locked <0x00000000d645da78> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:748)
Found 1 deadlock.
发现有死锁