[GitHub] [pulsar-client-go] blank0725 opened a new issue, #859: [BUG] Panics in SendRequestNoWait are triggered  when reconnecting consumer to broker

Tue, 11 Oct 2022 01:21:24 -0700 


blank0725 opened a new issue, #859:
URL: https://github.com/apache/pulsar-client-go/issues/859

   #### Expected behavior
   
   Panics should not occur when the client reconnects
   
   #### Actual behavior
   
   Panic is triggered in pulsar and cannot be captured by the client code.
   
   The  backtrace of core dump:
   `0  0x0000000000479261 in runtime.raise
         at /data/goroot/go/src/runtime/sys_linux_amd64.s:168
      1  0x000000000045adc5 in runtime.dieFromSignal
         at /data/goroot/go/src/runtime/signal_unix.go:852
      2  0x000000000045b796 in runtime.sigfwdgo
         at /data/goroot/go/src/runtime/signal_unix.go:1066
      3  0x0000000000459b27 in runtime.sigtrampgo
         at /data/goroot/go/src/runtime/signal_unix.go:430
      4  0x000000000047a0ae in runtime.sigtrampgo
         at <autogenerated>:1
      5  0x000000000047955d in runtime.sigtramp
         at /data/goroot/go/src/runtime/sys_linux_amd64.s:361
      6  0x00007f9041b19390 in ???
         at ?:-1
      7  0x0000000000444e49 in runtime.crash
         at /data/goroot/go/src/runtime/signal_unix.go:944
      8  0x0000000000444e49 in runtime.fatalpanic
         at /data/goroot/go/src/runtime/panic.go:1092
      9  0x0000000000444617 in runtime.gopanic
         at /data/goroot/go/src/runtime/panic.go:941
     10  0x0000000000490994 in sync.(*WaitGroup).Add
         at /data/goroot/go/src/sync/waitgroup.go:94
     11  0x0000000000490a05 in sync.(*WaitGroup).Done
         at /data/goroot/go/src/sync/waitgroup.go:105
     12  0x0000000000fec866 in 
github.com/apache/pulsar-client-go/pulsar/internal.(*connection).SendRequestNoWait
         at 
/data/goroot/gopath/pkg/mod/[github.com/apache/[email protected]/pulsar/internal/connection.go:606]`
   
   
   ![截屏2022-10-11 15 36 
42](https://user-images.githubusercontent.com/42677195/195037159-e7049c41-1a30-49ab-8768-36039fe5956a.png)
   ![截屏2022-10-11 15 36 
59](https://user-images.githubusercontent.com/42677195/195037167-982b8d0b-fb6f-4cf7-a155-6f9ce0ac692e.png)
   ![截屏2022-10-11 15 37 
08](https://user-images.githubusercontent.com/42677195/195037173-cade1594-d6b0-4b18-92d3-dc634569a00f.png)
   
   
   
   
   #### Steps to reproduce
   
   This issue may not reproduce every time, but it must be related to 
sync.WaitGroup.
   
   #### System configuration
   **Pulsar version**: 2.9
   **pulsar-client-go version**: v0.6.0
   


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