Easysoft Data Access

Why do I get error "Initialization function SQLAllocConnect not found" when using Oracle Heterogenous Services (hsODBC) on AIX?

Assumptions:

• You are using the unixODBC Driver Manager. (It does not matter if you built it yourself or are using the one that is included in the Easysoft ODBC driver distribution.)
• You have set your LIBPATH correctly to include the Driver Manager library paths (e.g. /usr/local/easysoft/unixODBC/lib and /usr/local/easysoft/lib).
• You are getting an error similar to the one below when attempting to use your database link in sqlplus:

  ERROR at line 1:
  ORA-28500: connection from ORACLE to a non-Oracle system returned this
  message:
  [Generic Connectivity Using ODBC]DRV_InitTdp: DB_ODBC_INTERFACE(6);
  Initialization function SQLAllocConnect not found
  DB_ODBC_INTERFACE(7); Cannot connect to shareable
  /usr/local/easysoft/unixODBC/lib/libodbc.a. Using dummy functions
  ORA-02063: preceding 3 lines from OCI1

On AIX, this problem occurs because Oracle's ODBC agent (hsODBC) is linked against libodbc.so, but the unixODBC Driver Manager you are using contains libodbc.so.1 in the libodbc.a archive. To check this:

1. cd /usr/local/easysoft/unixODBC/lib

   -or-

   cd /lib

   -or-

   cd unixODBC_install_dir

2. ar -X32_64 -tv libodbc.a

If this shows the archive contains libodbc.so.1 this is your problem. The solution is:

1. Become root or whoever you need to be to create files in the unixODBC lib subdirectory.

2. cd /usr/local/easysoft/unixODBC/lib

   -Or-

   cd /lib

   -Or-

   cd unixODBC_install_dir

3. ar -X32_64 -xv libodbc.a

   This should extract the file libodbc.so.1 to the current directory.

4. Rename libodbc.so.1:

   mv libodbc.so.1 libodbc.so

5. Point hsODBC at it directly by amending the HS_FDS_SHAREABLE_NAME parameter in your initname.ora file to be:

   HS_FDS_SHAREABLE_NAME = /usr/local/easysoft/unixODBC/lib/libodbc.so

Restart your Oracle listener. Your link should now work.

Applies To

• Products
  • Easysoft ODBC-Oracle Driver
  • Easysoft ODBC-InterBase Driver
  • Easysoft ODBC-JDBC Gateway
  • Easysoft ODBC-Sybase Driver
  • Easysoft ODBC-ODBC Bridge
  • Easysoft ODBC-SQL Server Driver
  • Easysoft ODBC-Access Driver
  • Easysoft ODBC-DB2 Driver
  • Easysoft ODBC-Derby Driver
  • Easysoft ODBC-Salesforce Driver
• Applications
  • Oracle

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