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https://issues.apache.org/jira/browse/ZOOKEEPER-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16283440#comment-16283440
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xiaomingzhongguo commented on ZOOKEEPER-2928:
---------------------------------------------
This is a kernel bug or a program code bug?
> pthread_join hang at zookeeper_close
> -------------------------------------
>
> Key: ZOOKEEPER-2928
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2928
> Project: ZooKeeper
> Issue Type: Bug
> Components: c client
> Affects Versions: 3.4.6
> Reporter: xiaomingzhongguo
> Priority: Critical
>
> when call zookeeper_close
> thread hang at pthread_join , do_io thread not exist , and do_completion not
> exit
> #0 0x00002b8e38b6b725 in pthread_join () from /lib64/libpthread.so.0
> #1 0x0000000000cc6b86 in adaptor_finish (zh=0x2aaaaae05240) at
> src/mt_adaptor.c:285
> #2 0x0000000000cc21f3 in zookeeper_close (zh=0x2aaaaae05240) at
> src/zookeeper.c:2493
> #3 0x00000000008eeb04 in ZkAPI::ZkClose ()
> #4 0x00000000009270b1 in AgentInfo::zkCloseConnection ()
> #5 0x0000000000929e02 in AgentInfo::timeSyncHandler ()
> #6 0x00000000010f0585 in event_base_loop (base=0x1679d00, flags=0) at
> event.c:1350
> #7 0x0000000000924f31 in AgentInfo::run ()
> #8 0x00000000008998bf in gseThread::run_helper ()
> #9 0x0000000000922956 in tos::util_thread_start ()
> #10 0x00002b8e38b6a193 in start_thread () from /lib64/libpthread.so.0
> #11 0x00002b8e3929ff0d in clone () from /lib64/libc.so.6
> #0 0x00002b8e38b6e326 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib64/libpthread.so.0
> #1 0x0000000000cc70be in do_completion (v=0x2aaaaae05240) at
> src/mt_adaptor.c:463
> #2 0x00002b8e38b6a193 in start_thread () from /lib64/libpthread.so.0
> #3 0x00002b8e3929ff0d in clone () from /lib64/libc.so.6
> #4 0x0000000000000000 in ?? ()
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