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ERROR: GetTransport of:xxx get timed_mutex timeout 解决办法 #456

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button-chen opened this issue Sep 13, 2023 · 0 comments

button-chen commented Sep 13, 2023

问题：
多线程并发调用 producer->send() 很容易得到错误消息：GetTransport of:xxx get timed_mutex timeout 除了libevent的版本问题，还有一个原因是gcc版本的bug

原因：
if (!lock.try_lock_for(std::chrono::seconds(m_tcpTransportTryLockTimeout))) {
LOG_ERROR("GetTransport of:%s get timed_mutex timeout", addr.c_str());
std::shared_ptr pTcp;
return pTcp;
}

gcc4.8.5的情况下，try_lock_for会立即返回，并不会等待期待的m_tcpTransportTryLockTimeout时长。升级到4.9.0之后即可解决。

std::timed_mutex::try_lock_for bug： https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54562

@ShannonDing 建议在首页说明使用gcc版本应该高于等于4.9.0

naah69 mentioned this issue

提供最新编译的包，有需要的可以下载 apache/rocketmq-client-python#148

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