死锁查看定位解决

短命女 2021-09-30 04:54 363阅读 0赞

死锁的代码请查看：[https://blog.csdn.net/chen18677338530/article/details/97143240][https_blog.csdn.net_chen18677338530_article_details_97143240]  
解决：重启  
定位：jps jstack

D:\Workspace\flutter\letsJava>jps -l
    36368 t1.T2
    17076 sun.tools.jps.Jps
    35124
    26376 org.jetbrains.jps.cmdline.Launcher
    38008
    32796 t1.T3
    
    D:\Workspace\flutter\letsJava>jps -l
    17700 t1.T3
    24292 sun.tools.jps.Jps
    35124
    38008
    42296 org.jetbrains.jps.cmdline.Launcher
    
    D:\Workspace\flutter\letsJava>jstack 17700
    2019-07-24 17:27:12
    Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.201-b09 mixed mode):
    
    "DestroyJavaVM" #14 prio=5 os_prio=0 tid=0x0000000002a1e800 nid=0x698 waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "Thread-1" #13 prio=5 os_prio=0 tid=0x000000001ea1b000 nid=0x8824 waiting for monitor entry [0x000000001fa3f000]
       java.lang.Thread.State: BLOCKED (on object monitor)
            at t1.HoldLockThread.run(T3.java:42)
            - waiting to lock <0x000000076b413658> (a java.lang.String)
            - locked <0x000000076b413688> (a java.lang.String)
            at java.lang.Thread.run(Thread.java:748)
    
    "Thread-0" #12 prio=5 os_prio=0 tid=0x000000001ea1a000 nid=0x454 waiting for monitor entry [0x000000001f93f000]
       java.lang.Thread.State: BLOCKED (on object monitor)
            at t1.HoldLockThread.run(T3.java:42)
            - waiting to lock <0x000000076b413688> (a java.lang.String)
            - locked <0x000000076b413658> (a java.lang.String)
            at java.lang.Thread.run(Thread.java:748)
    
    "Service Thread" #11 daemon prio=9 os_prio=0 tid=0x000000001ea10800 nid=0x3cd0 runnable [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "C1 CompilerThread3" #10 daemon prio=9 os_prio=2 tid=0x000000001e96d000 nid=0x3824 waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "C2 CompilerThread2" #9 daemon prio=9 os_prio=2 tid=0x000000001e953000 nid=0xa80 waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "C2 CompilerThread1" #8 daemon prio=9 os_prio=2 tid=0x000000001e94e800 nid=0x6b74 waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "C2 CompilerThread0" #7 daemon prio=9 os_prio=2 tid=0x000000001e94d800 nid=0x6b5c waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "Monitor Ctrl-Break" #6 daemon prio=5 os_prio=0 tid=0x000000001e93c800 nid=0x6b0c runnable [0x000000001f23f000]
       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 <0x000000076b307f38> (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 <0x000000076b307f38> (a java.io.InputStreamReader)
            at java.io.BufferedReader.readLine(BufferedReader.java:389)
            at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:64)
    
    "Attach Listener" #5 daemon prio=5 os_prio=2 tid=0x000000001e8b7000 nid=0x65a8 waiting on condition [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "Signal Dispatcher" #4 daemon prio=9 os_prio=2 tid=0x000000001e912000 nid=0x506c runnable [0x0000000000000000]
       java.lang.Thread.State: RUNNABLE
    
    "Finalizer" #3 daemon prio=8 os_prio=1 tid=0x000000001e8a1800 nid=0x404 in Object.wait() [0x000000001ee7e000]
       java.lang.Thread.State: WAITING (on object monitor)
            at java.lang.Object.wait(Native Method)
            - waiting on <0x000000076b188ed0> (a java.lang.ref.ReferenceQueue$Lock)
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
            - locked <0x000000076b188ed0> (a java.lang.ref.ReferenceQueue$Lock)
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
            at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)
    
    "Reference Handler" #2 daemon prio=10 os_prio=2 tid=0x000000001e8a0800 nid=0x9a4c in Object.wait() [0x000000001ed7f000]
       java.lang.Thread.State: WAITING (on object monitor)
            at java.lang.Object.wait(Native Method)
            - waiting on <0x000000076b186bf8> (a java.lang.ref.Reference$Lock)
            at java.lang.Object.wait(Object.java:502)
            at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
            - locked <0x000000076b186bf8> (a java.lang.ref.Reference$Lock)
            at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
    
    "VM Thread" os_prio=2 tid=0x000000001ca89800 nid=0x4420 runnable
    
    "GC task thread#0 (ParallelGC)" os_prio=0 tid=0x0000000002f48800 nid=0x814c runnable
    
    "GC task thread#1 (ParallelGC)" os_prio=0 tid=0x0000000002f4a000 nid=0x33a4 runnable
    
    "GC task thread#2 (ParallelGC)" os_prio=0 tid=0x0000000002f4b800 nid=0x889c runnable
    
    "GC task thread#3 (ParallelGC)" os_prio=0 tid=0x0000000002f4e000 nid=0x335c runnable
    
    "GC task thread#4 (ParallelGC)" os_prio=0 tid=0x0000000002f50800 nid=0x37dc runnable
    
    "GC task thread#5 (ParallelGC)" os_prio=0 tid=0x0000000002f51800 nid=0x3650 runnable
    
    "GC task thread#6 (ParallelGC)" os_prio=0 tid=0x0000000002f54800 nid=0x38a8 runnable
    
    "GC task thread#7 (ParallelGC)" os_prio=0 tid=0x0000000002f56000 nid=0x5a5c runnable
    
    "VM Periodic Task Thread" os_prio=2 tid=0x000000001ea14800 nid=0x2350 waiting on condition
    
    JNI global references: 12
    
    
    Found one Java-level deadlock:
    =============================
    "Thread-1":
      waiting to lock monitor 0x000000000302bd38 (object 0x000000076b413658, a java.lang.String),
      which is held by "Thread-0"
    "Thread-0":
      waiting to lock monitor 0x000000000302e518 (object 0x000000076b413688, a java.lang.String),
      which is held by "Thread-1"
    
    Java stack information for the threads listed above:
    ===================================================
    "Thread-1":
            at t1.HoldLockThread.run(T3.java:42)
            - waiting to lock <0x000000076b413658> (a java.lang.String)
            - locked <0x000000076b413688> (a java.lang.String)
            at java.lang.Thread.run(Thread.java:748)
    "Thread-0":
            at t1.HoldLockThread.run(T3.java:42)
            - waiting to lock <0x000000076b413688> (a java.lang.String)
            - locked <0x000000076b413658> (a java.lang.String)
            at java.lang.Thread.run(Thread.java:748)
    
    Found 1 deadlock.

[https_blog.csdn.net_chen18677338530_article_details_97143240]: https://blog.csdn.net/chen18677338530/article/details/97143240