分析Java死锁:分析jstack日志(六)
RUNNABLE
"Signal Dispatcher" daemon prio=9 tid=7f971209b800 nid=0x1170e3000 waiting on condition [00000000]
java.lang.Thread.State: RUNNABLE
"Surrogate Locker Thread (Concurrent GC)" daemon prio=5 tid=7f971209a800 nid=0x116fe0000 waiting on condition [00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=7f971209a000 nid=0x116d1c000 in Object.wait() [116d1b000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f3001300> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <7f3001300> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=7f9712099000 nid=0x116c19000 in Object.wait() [116c18000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f30011d8> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <7f30011d8> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=9 tid=7f9712096800 nid=0x116b16000 runnable
"Gang worker#0 (Parallel GC Threads)" prio=9 tid=7f9712002800 nid=0x1135c7000 runnable
"Gang worker#1 (Parallel GC Threads)" prio=9 tid=7f9712003000 nid=0x1136ca000 runnable
"Concurrent Mark-Sweep GC Thread" prio=9 tid=7f971204d800 nid=0x116790000 runnable
"VM Periodic Task Thread" prio=10 tid=7f97122d4000 nid=0x11793a000 waiting on condition
"Exception Catcher Thread" prio=10 tid=7f9712001800 nid=0x1103ef000 runnable
JNI global references: 1037
Found one Java-level deadlock:
=============================
"Thread-21":
waiting to lock monitor 7f97118bd560 (object 7f3366f58, a threads.deadlock.Account),
which is held by "Thread-20"
"Thread-20":
waiting to lock monitor 7f97118bc108 (object 7f3366e98, a threads.deadlock.Account),
which is held by "Thread-4"
"Thread-4":
waiting to lock monitor 7f9711834360 (object 7f3366e80, a threads.deadlock.Account),
which is held by "Thread-7"
"Thread-7":
waiting to lock monitor 7f97118b9708 (object 7f3366eb0, a threads.deadlock.Account),
which is held by "Thread-11"
"Thread-11":
waiting to lock monitor 7f97118bd560 (object 7f3366f58, a threads.deadlock.Account),
which is held by "Thread-20"
Java stack information for the threads listed above:
===================================================
"Thread-21":
at threads.deadlock.DeadlockDemo$BadTransferOperation.transfer(DeadlockDemo.java:86)
- waiting to lock <7f3366f58> (a threads.deadlock.Account)
- locked <7f3366ee0> (a threads.deadlock.Account)
at threads.deadlock.DeadlockDemo$BadTransferOperation.run(DeadlockDemo.java:59)
"Thread-20":
at threads.deadlock.DeadlockDemo$BadTransferOperation.transfer(DeadlockDemo.java:86)
- waiting to lock <7f3366e98> (a threads.deadlock.Account)
- locked <7f3366f58> (a threads.deadlock.Account)
at threads.deadlock.DeadlockDemo$BadTransferOperation.run(DeadlockDemo.java:59)
"Thread-4":