Java线程转储：“等待锁定”和“停车等待”之间的区别？(Java thread dump: Difference between “waiting to lock” and “parking to wait for”?)

 在Java线程转储中，您可以看到堆栈跟踪中提到的锁。 
 似乎有三种信息： 
 
 1： 
 
- locked <0x00002aab329f7fa0> (a java.io.BufferedInputStream)
 
 2： 
 
- waiting to lock <0x00002aaaf4ff6fa0> (a org.alfresco.repo.lock.LockServiceImpl)
 
 3： 
 
- parking to wait for  <0x00002aaafbf70bb8> (a java.util.concurrent.SynchronousQueue$TransferStack)
 
 
 
 1：线程已获得对象0x00002aab329f7fa0的锁定。 
 
 
 2＆3：似乎说线程正在等待所述对象的锁定变为可用... 
 但是2和3有什么区别？ 
 

In a Java thread dump, you can see locks mentioned within stack traces.
 There seems to be three kinds of information:
 
1:
 
- locked <0x00002aab329f7fa0> (a java.io.BufferedInputStream)
 
2:
 
- waiting to lock <0x00002aaaf4ff6fa0> (a org.alfresco.repo.lock.LockServiceImpl)
 
3:
 
- parking to wait for  <0x00002aaafbf70bb8> (a java.util.concurrent.SynchronousQueue$TransferStack)
 
 
 
1: The thread has obtained a lock on object 0x00002aab329f7fa0.
 
 
2&3: Seem to say that the thread is waiting for the lock on said object to become available...
 but what is the difference 2 and 3?
 

原文：https://stackoverflow.com/questions/11337384