MySQL 5.7 Displays "OSError 8: Exec format error" During Automatic FDO

Symptom

MySQL 5.7 displays "OSError 8: Exec format error" during automatic FDO.

Key Process and Cause Analysis

An incorrect interpreter is used to interpret the script file.

Conclusion and Solution

1. Modify auto_bolt.sh in the A-FOT installation directory. If the installation directory is /usr/bin/, the file path is /usr/bin/auto_bolt.sh.
   Find the following content in the file:

   1	echo "${gcc_path}/bin/g++

   Modify it as follows:

   1	echo -e "#!/bin/bash\n${gcc_path}/bin/g++

   The following figure shows the modification result:

   

2. Perform automatic FDO again.