MySQL get_driver_instance not found with Connector c++ 8.0











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I made the mistake of upgrading to MySQL Connector C++ 8.0 and Visual Studio 2017.
I have followed the examples and I'm getting the error:



error LNK2019: unresolved external symbol "class sql::mysql::MySQL_Driver * __cdecl sql::mysql::get_driver_instance(void)" (?get_driver_instance@mysql@sql@@YAPAVMySQL_Driver@12@XZ)


Here's the code:



#include "gtest/gtest.h"
#include <sstream>
#include "mysql_connection.h"
#include <jdbc/mysql_connection.h>
#include <jdbc/mysql_driver.h>

// For resultset and statements:
//#include <jdbc/cppconn/resultset.h>
//#include <jdbc/cppconn/statement.h>


TEST(MySQL, Connection)
{
sql::Driver * driver = sql::mysql::get_driver_instance();
ASSERT_NE(driver, nullptr);
}


This is a function in Google test.



I have rebuilt the Connector C++ in folder C:mysql_connector_build.
The Debug directory contains these files:



mysqlcppconn8.exp
mysqlcppconn8.lib
mysqlcppconn8-1-vs14.dll
mysqlcppconn8-1-vs14.ilk
mysqlcppconn8-1-vs14.pdb
try.exe
try.ilk
try.pdb


I have added the path "C:mysql_connector_buildDebug" to the Linker->General->Additional Library Directories.
I have added mysqlcppconn8.lib to the Linker->Input->Additional Dependencies.



I added "CPPCONN_PUBLIC_FUNC=" to the C++->Preprocessor->Preprocessor Definitions.



Searching the internet for the error shows resolutions for earlier versions of MySQL Connector C++ 8.0.



The code is adapted from the examples at Connector/C++ 8.0 legacy C++ API based on JDBC4



I build the Connector C++ 8.0 library according to Using Connector/C++ 8.0.



Note: searching the internet came up with the result that there isn't a compatible binary library for Visual Studio 2017 on Windows 10. The GA version of the connector library is for Visual Studio 2015.



The question is: How do I resolve the external symbol error?

{Please don't refer me to What is an undefined reference/unresolved external symbol error and how do I fix it? as my issue is more at where this symbol is defined (in which library) and not how to link a library.}










share|improve this question


























    up vote
    1
    down vote

    favorite












    I made the mistake of upgrading to MySQL Connector C++ 8.0 and Visual Studio 2017.
    I have followed the examples and I'm getting the error:



    error LNK2019: unresolved external symbol "class sql::mysql::MySQL_Driver * __cdecl sql::mysql::get_driver_instance(void)" (?get_driver_instance@mysql@sql@@YAPAVMySQL_Driver@12@XZ)


    Here's the code:



    #include "gtest/gtest.h"
    #include <sstream>
    #include "mysql_connection.h"
    #include <jdbc/mysql_connection.h>
    #include <jdbc/mysql_driver.h>

    // For resultset and statements:
    //#include <jdbc/cppconn/resultset.h>
    //#include <jdbc/cppconn/statement.h>


    TEST(MySQL, Connection)
    {
    sql::Driver * driver = sql::mysql::get_driver_instance();
    ASSERT_NE(driver, nullptr);
    }


    This is a function in Google test.



    I have rebuilt the Connector C++ in folder C:mysql_connector_build.
    The Debug directory contains these files:



    mysqlcppconn8.exp
    mysqlcppconn8.lib
    mysqlcppconn8-1-vs14.dll
    mysqlcppconn8-1-vs14.ilk
    mysqlcppconn8-1-vs14.pdb
    try.exe
    try.ilk
    try.pdb


    I have added the path "C:mysql_connector_buildDebug" to the Linker->General->Additional Library Directories.
    I have added mysqlcppconn8.lib to the Linker->Input->Additional Dependencies.



    I added "CPPCONN_PUBLIC_FUNC=" to the C++->Preprocessor->Preprocessor Definitions.



    Searching the internet for the error shows resolutions for earlier versions of MySQL Connector C++ 8.0.



    The code is adapted from the examples at Connector/C++ 8.0 legacy C++ API based on JDBC4



    I build the Connector C++ 8.0 library according to Using Connector/C++ 8.0.



    Note: searching the internet came up with the result that there isn't a compatible binary library for Visual Studio 2017 on Windows 10. The GA version of the connector library is for Visual Studio 2015.



    The question is: How do I resolve the external symbol error?

    {Please don't refer me to What is an undefined reference/unresolved external symbol error and how do I fix it? as my issue is more at where this symbol is defined (in which library) and not how to link a library.}










    share|improve this question
























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I made the mistake of upgrading to MySQL Connector C++ 8.0 and Visual Studio 2017.
      I have followed the examples and I'm getting the error:



      error LNK2019: unresolved external symbol "class sql::mysql::MySQL_Driver * __cdecl sql::mysql::get_driver_instance(void)" (?get_driver_instance@mysql@sql@@YAPAVMySQL_Driver@12@XZ)


      Here's the code:



      #include "gtest/gtest.h"
      #include <sstream>
      #include "mysql_connection.h"
      #include <jdbc/mysql_connection.h>
      #include <jdbc/mysql_driver.h>

      // For resultset and statements:
      //#include <jdbc/cppconn/resultset.h>
      //#include <jdbc/cppconn/statement.h>


      TEST(MySQL, Connection)
      {
      sql::Driver * driver = sql::mysql::get_driver_instance();
      ASSERT_NE(driver, nullptr);
      }


      This is a function in Google test.



      I have rebuilt the Connector C++ in folder C:mysql_connector_build.
      The Debug directory contains these files:



      mysqlcppconn8.exp
      mysqlcppconn8.lib
      mysqlcppconn8-1-vs14.dll
      mysqlcppconn8-1-vs14.ilk
      mysqlcppconn8-1-vs14.pdb
      try.exe
      try.ilk
      try.pdb


      I have added the path "C:mysql_connector_buildDebug" to the Linker->General->Additional Library Directories.
      I have added mysqlcppconn8.lib to the Linker->Input->Additional Dependencies.



      I added "CPPCONN_PUBLIC_FUNC=" to the C++->Preprocessor->Preprocessor Definitions.



      Searching the internet for the error shows resolutions for earlier versions of MySQL Connector C++ 8.0.



      The code is adapted from the examples at Connector/C++ 8.0 legacy C++ API based on JDBC4



      I build the Connector C++ 8.0 library according to Using Connector/C++ 8.0.



      Note: searching the internet came up with the result that there isn't a compatible binary library for Visual Studio 2017 on Windows 10. The GA version of the connector library is for Visual Studio 2015.



      The question is: How do I resolve the external symbol error?

      {Please don't refer me to What is an undefined reference/unresolved external symbol error and how do I fix it? as my issue is more at where this symbol is defined (in which library) and not how to link a library.}










      share|improve this question













      I made the mistake of upgrading to MySQL Connector C++ 8.0 and Visual Studio 2017.
      I have followed the examples and I'm getting the error:



      error LNK2019: unresolved external symbol "class sql::mysql::MySQL_Driver * __cdecl sql::mysql::get_driver_instance(void)" (?get_driver_instance@mysql@sql@@YAPAVMySQL_Driver@12@XZ)


      Here's the code:



      #include "gtest/gtest.h"
      #include <sstream>
      #include "mysql_connection.h"
      #include <jdbc/mysql_connection.h>
      #include <jdbc/mysql_driver.h>

      // For resultset and statements:
      //#include <jdbc/cppconn/resultset.h>
      //#include <jdbc/cppconn/statement.h>


      TEST(MySQL, Connection)
      {
      sql::Driver * driver = sql::mysql::get_driver_instance();
      ASSERT_NE(driver, nullptr);
      }


      This is a function in Google test.



      I have rebuilt the Connector C++ in folder C:mysql_connector_build.
      The Debug directory contains these files:



      mysqlcppconn8.exp
      mysqlcppconn8.lib
      mysqlcppconn8-1-vs14.dll
      mysqlcppconn8-1-vs14.ilk
      mysqlcppconn8-1-vs14.pdb
      try.exe
      try.ilk
      try.pdb


      I have added the path "C:mysql_connector_buildDebug" to the Linker->General->Additional Library Directories.
      I have added mysqlcppconn8.lib to the Linker->Input->Additional Dependencies.



      I added "CPPCONN_PUBLIC_FUNC=" to the C++->Preprocessor->Preprocessor Definitions.



      Searching the internet for the error shows resolutions for earlier versions of MySQL Connector C++ 8.0.



      The code is adapted from the examples at Connector/C++ 8.0 legacy C++ API based on JDBC4



      I build the Connector C++ 8.0 library according to Using Connector/C++ 8.0.



      Note: searching the internet came up with the result that there isn't a compatible binary library for Visual Studio 2017 on Windows 10. The GA version of the connector library is for Visual Studio 2015.



      The question is: How do I resolve the external symbol error?

      {Please don't refer me to What is an undefined reference/unresolved external symbol error and how do I fix it? as my issue is more at where this symbol is defined (in which library) and not how to link a library.}







      c++ mysql visual-studio-2017 windows-10 mysql-connector






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      asked Nov 10 at 19:49









      Thomas Matthews

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      43.9k1168120





























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