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Posted to notifications@dubbo.apache.org by "songxiaosheng (via GitHub)" <gi...@apache.org> on 2023/07/01 02:29:43 UTC

[GitHub] [dubbo] songxiaosheng commented on issue #12620: dubbo3.1.5版本BUG！！！，启动是出现线程死锁导致启动服务失败

songxiaosheng commented on issue #12620:
URL: https://github.com/apache/dubbo/issues/12620#issuecomment-1615373828

   - main线程
      - 持有： 
         - 0x00000006c4b96140 这把锁的类型是DefaultModuleDeployer   private synchronized Future startSync()
         - 0x000000078da98a88   ServiceBean
     - 等待锁：
       -  0x00000006c3a75060 ConcurrentHashMap  Spring广播器使用到的
   hsTaskScheduler线程
       - 持有：
          - 0x00000006c61d99e8  DubboReferenceLazyInitTargetSource
          - 0x00000006c3a75060  ConcurrentHashMap  创建Bean时使用到的
       - 等待 0x00000006c4b96140 DefaultModuleDeployer     
   
   两把锁 一个线程先拿Spring的Map锁，再拿Dubbo的Deployer锁，一个线程先拿Dubbo的Deployer锁，再拿Spring的Map锁
   
   
   
   


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