Introduction

In this article you can find description of errors, warning, debug and information messages which may be spotted in log files of applications based on FIX Antenna C++/.NET.

ERROR

• Exception in Application::process() - "basic_string::_S_create"

  <Timestamp>    ERROR    [Engine]  Session <Session_Name> : Exception in Application::process() - "basic_string::_S_create"

  Description: It means that you've got an unhandled exception in your Application::process callback.

  Troubleshooting steps: Handle this exception or fix an error which leads this exception.

WARN

• Myricom DBL is not supported

  <Timestamp>    WARN    [Engine]  Myricom DBL is not supported. Cannot load dynamic library: 'dbltcp.dll'. The specified module could not be found. (Error code = 126)

  Description: These records in log file are about compiler options which were used to build FixAntenna library. FixAntenna checks if Myricom card is installed and available.

  Troubleshooting steps: This doesn't indicate an issue. Please, ignore them.

• Message queue was overflown

  <Timestamp>    WARN    [b2bits_mfix_instrument]  orders CURR CETS|USD000UTSTOM: Message queue was overflown.

  Description: This record appears when number of messages stored in recovery mode for the particular instrument becomes more than maximum.

  Troubleshooting steps: You should increase MDApplicationParams::incrementQueueSize_ parameter or handle messages quicker.