merlimat commented on issue #6277: [Issue 4070][pulsar-client-cpp] Fix for possible deadlock when closing Pulsar client URL: https://github.com/apache/pulsar/pull/6277#issuecomment-584765616 @heronr I don't think there's a thread leak. Rather, the error seems to be that the `std::thread` object is destroyed before the actual thread was stopped. The main issue I see here is that the `~std::thread()` is being invoked from the thread itself and therefore it's not "joined" and it cannot be "joined" under any circumstance. I believe the only solution is that we should ensure, that `~ExecutorService()` is never called from the same thread.
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