BewareMyPower commented on issue #13849:
URL: https://github.com/apache/pulsar/issues/13849#issuecomment-1078632551
I debugged it with `lldb` and sometimes I found an `EXC_BAD_ACCESS`.
```
Process 67307 stopped
* thread #58, stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
frame #0: 0x00000001043a6fcc
libpulsar.2.10.0-SNAPSHOT.dylib`boost::asio::detail::io_object_impl<boost::asio::detail::deadline_timer_service<boost::asio::time_traits<boost::posix_time::ptime>
>, boost::asio::any_io_executor>::get_service(this=0x0000000000000000) at
io_object_impl.hpp:116:13
113 // Get the service associated with the I/O object.
114 service_type& get_service()
115 {
-> 116 return *service_;
117 }
118
119 // Get the service associated with the I/O object.
Target 0: (main) stopped.
```
The command is
```bash
(lldb) r --gtest_filter='*Concurrent*LazyProducers' --gtest_repeat=5
```
The frame is
```
* thread #58, stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
* frame #0: 0x00000001043a6fcc
libpulsar.2.10.0-SNAPSHOT.dylib`boost::asio::detail::io_object_impl<boost::asio::detail::deadline_timer_service<boost::asio::time_traits<boost::posix_time::ptime>
>, boost::asio::any_io_executor>::get_service(this=0x0000000000000000) at
io_object_impl.hpp:116:13
frame #1: 0x00000001043a23da
libpulsar.2.10.0-SNAPSHOT.dylib`boost::asio::basic_deadline_timer<boost::posix_time::ptime,
boost::asio::time_traits<boost::posix_time::ptime>,
boost::asio::any_io_executor>::expires_from_now(this=0x0000000000000000,
expiry_time=0x0000700011a632f8) at basic_deadline_timer.hpp:547:27
frame #2: 0x000000010474b866
libpulsar.2.10.0-SNAPSHOT.dylib`pulsar::ProducerImpl::sendAsyncWithStatsUpdate(this=0x0000000103101418,
msg=0x0000700011a63ed0, callback=0x0000700011a639c0)> const&) at
ProducerImpl.cc:477:26
frame #3: 0x000000010474abf9
libpulsar.2.10.0-SNAPSHOT.dylib`pulsar::ProducerImpl::sendAsync(this=0x0000000103101418,
msg=0x0000700011a63ed0, callback=pulsar::SendCallback @ 0x0000700011a63c20)>)
at ProducerImpl.cc:392:5
frame #4: 0x00000001046e6823
libpulsar.2.10.0-SNAPSHOT.dylib`pulsar::PartitionedProducerImpl::sendAsync(this=0x0000000101f33598,
msg=0x0000700011a63ed0, callback=pulsar::SendCallback @ 0x0000700011a63cc0)>)
at PartitionedProducerImpl.cc:209:15
frame #5: 0x0000000104734d6a
libpulsar.2.10.0-SNAPSHOT.dylib`pulsar::Producer::sendAsync(this=0x00007ff7bfefef78,
msg=0x0000700011a63ed0, callback=pulsar::SendCallback @ 0x0000700011a63ef0)>)
at Producer.cc:68:12
frame #6: 0x00000001002adcd8
main`ProducerTest_testSendAsyncCloseAsyncConcurrentlyWithLazyProducers_Test::TestBody(this=0x00006000017008c8)::$_0::operator()()
const at ProducerTest.cc:202:26
```
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