Thread 1253 (Thread 0x7e9e417b9700 (LWP 109033)):
#0 0x00007fa908b6c68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000a1a6b4 in void boost::condition_variable_any::wait<boost::mutex>(boost::mutex&) ()
#2 0x0000000000a143ac in mongo::Lock::DBRead::lockTop(mongo::LockState&) ()
#3 0x0000000000a16763 in mongo::Lock::DBRead::lockDB(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#4 0x0000000000a17280 in mongo::Lock::DBRead::DBRead(mongo::StringData const&) ()
#5 0x00000000008f02d5 in mongo::Client::ReadContext::ReadContext(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#6 0x0000000000d4bcfa in mongo::newRunQuery(mongo::Message&, mongo::QueryMessage&, mongo::CurOp&, mongo::Message&) ()
#7 0x0000000000b97322 in ?? ()
#8 0x0000000000b99902 in mongo::assembleResponse(mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) ()
#9 0x000000000076b6af in mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*, mongo::LastError*) ()
#10 0x000000000117720b in mongo::PortMessageServer::handleIncomingMsg(void*) ()
#11 0x00007fa908b68aa1 in start_thread () from /lib64/libpthread.so.0
#12 0x00007fa907f0dbcd in clone () from /lib64/libc.so.6
Thread 1252 (Thread 0x7e9e416b8700 (LWP 109034)):
#0 0x00007fa908b6c68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000a1a6b4 in void boost::condition_variable_any::wait<boost::mutex>(boost::mutex&) ()
#2 0x0000000000a143ac in mongo::Lock::DBRead::lockTop(mongo::LockState&) ()
#3 0x0000000000a16763 in mongo::Lock::DBRead::lockDB(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#4 0x0000000000a17280 in mongo::Lock::DBRead::DBRead(mongo::StringData const&) ()
#5 0x00000000008f02d5 in mongo::Client::ReadContext::ReadContext(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#6 0x0000000000d4bcfa in mongo::newRunQuery(mongo::Message&, mongo::QueryMessage&, mongo::CurOp&, mongo::Message&) ()
#7 0x0000000000b97322 in ?? ()
#8 0x0000000000b99902 in mongo::assembleResponse(mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) ()
#9 0x000000000076b6af in mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*, mongo::LastError*) ()
#10 0x000000000117720b in mongo::PortMessageServer::handleIncomingMsg(void*) ()
#11 0x00007fa908b68aa1 in start_thread () from /lib64/libpthread.so.0
#12 0x00007fa907f0dbcd in clone () from /lib64/libc.so.6
大多数芒果线程正在等待，所有操作都被阻塞，无法获得正确的响应结果，具体原因尚不清楚。
stack.log文件中更详细的线程堆栈。 https://jira.mongodb.org/browse/JAVA-3095
com.mongodb.MongoSocketReadTimeoutException: Timeout while receiving message
at com.mongodb.connection.InternalStreamConnection.translateReadException(InternalStreamConnection.java:477)
at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:228)
at com.mongodb.connection.UsageTrackingInternalConnection.receiveMessage(UsageTrackingInternalConnection.java:96)
at com.mongodb.connection.DefaultConnectionPool$PooledConnection.receiveMessage(DefaultConnectionPool.java:440)
at com.mongodb.connection.QueryProtocol.execute(QueryProtocol.java:289)
at com.mongodb.connection.QueryProtocol.execute(QueryProtocol.java:54)
at com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:168)
at com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:289)
at com.mongodb.connection.DefaultServerConnection.query(DefaultServerConnection.java:212)
at com.mongodb.operation.FindOperation$1.call(FindOperation.java:525)
at com.mongodb.operation.FindOperation$1.call(FindOperation.java:510)
at com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:435)
at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:408)
at com.mongodb.operation.FindOperation.execute(FindOperation.java:510)
at com.mongodb.operation.FindOperation.execute(FindOperation.java:81)
at com.mongodb.Mongo.execute(Mongo.java:836)
at com.mongodb.Mongo$2.execute(Mongo.java:823)
at com.mongodb.FindIterableImpl$FindOperationIterable.first(FindIterableImpl.java:216)
at com.mongodb.FindIterableImpl.first(FindIterableImpl.java:156)
at com.memeyule.cryolite.repository.RedPacketRepository.find(RedPacketRepository.kt:29)
at com.memeyule.cryolite.repository.RedPacketRepository$$FastClassBySpringCGLIB$$49e1f1de.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
在当前的芒果果酱中，应用程序中报告了很多错误。