Key does not exist in map
        FILE: ./decaf/util/concurrent/ConcurrentStlMap.h, LINE: 229
        FILE: activemq/state/ConnectionStateTracker.cpp, LINE: 587
        FILE: activemq/state/ConnectionStateTracker.cpp, LINE: 92
        FILE: activemq/transport/correlator/ResponseCorrelator.cpp, LINE: 61
        FILE: activemq/core/ActiveMQConnection.cpp, LINE: 549
        FILE: activemq/core/ActiveMQTransactionContext.cpp, LINE: 115
        FILE: activemq/core/ActiveMQConsumer.cpp, LINE: 849
        FILE: activemq/core/ActiveMQSessionExecutor.cpp, LINE: 133