[GitHub] [pulsar] lspgn opened a new issue #5695: Go: Segfault on messageId serialize after getting it from producer

[GitBox <gi...@apache.org>]

lspgn opened a new issue #5695: Go: Segfault on messageId serialize after getting it from producer
URL: https://github.com/apache/pulsar/issues/5695
 
 
   **Describe the bug**
   Looks like the following Go code (also happens with async):
   ```
   id, err := producer.SendAndGetMsgID(context.Background(), msg)
   if err != nil { log.Fatal(err) }
   
   fmt.Printf("the %s successfully published with id %v\n", string(msg.Payload), id.Serialize())
   ```
   causes the following:
   ```
   fatal error: unexpected signal during runtime execution
   [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x49a2965]
   
   runtime stack:
   runtime.throw(0x44a9483, 0x2a)
       /usr/local/Cellar/go/1.13.3/libexec/src/runtime/panic.go:774 +0x72
   runtime.sigpanic()
       /usr/local/Cellar/go/1.13.3/libexec/src/runtime/signal_unix.go:378 +0x47c
   
   goroutine 8 [syscall]:
   runtime.cgocall(0x43c0490, 0xc0000cfc28, 0x0)
       /usr/local/Cellar/go/1.13.3/libexec/src/runtime/cgocall.go:128 +0x5b fp=0xc0000cfbf8 sp=0xc0000cfbc0 pc=0x400494b
   github.com/apache/pulsar/pulsar-client-go/pulsar._Cfunc_pulsar_message_id_serialize(0x700b7f0, 0xc00018a010, 0x0)
       _cgo_gotypes.go:1265 +0x4e fp=0xc0000cfc28 sp=0xc0000cfbf8 pc=0x43a2eae
   github.com/apache/pulsar/pulsar-client-go/pulsar.(*messageID).Serialize.func1(0xc0000100a8, 0xc00018a010, 0x4528cc0)
       /Users/me/go/pkg/mod/github.com/apache/pulsar/pulsar-client-go@v0.0.0-20191115070645-69cd6eb660af/pulsar/c_message.go:187 +0x68 fp=0xc0000cfc68 sp=0xc0000cfc28 pc=0x43b2378
   github.com/apache/pulsar/pulsar-client-go/pulsar.(*messageID).Serialize(0xc0000100a8, 0x0, 0x0, 0x0)
       /Users/me/go/pkg/mod/github.com/apache/pulsar/pulsar-client-go@v0.0.0-20191115070645-69cd6eb660af/pulsar/c_message.go:187 +0x63 fp=0xc0000cfce8 sp=0xc0000cfc68 pc=0x43a9ff3
   main.produceData(0x45352a0, 0xc000013420, 0x449b5fb, 0xa)
       /Users/me/project/test/main.go:146 +0x40c fp=0xc0000cffc0 sp=0xc0000cfce8 pc=0x43be50c
   runtime.goexit()
       /usr/local/Cellar/go/1.13.3/libexec/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc0000cffc8 sp=0xc0000cffc0 pc=0x405caa1
   created by main.main
       /Users/me/project/test/main.go:177 +0x269
   ```
   Note: `id` is not null, it's a `*pulsar.messageId` pointer.
   
   **Desktop:**
   Mac OS 10.14.6
   github.com/apache/pulsar/pulsar-client-go v0.0.0-20191115070645-69cd6eb660af
   
   Thank you :) 

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