You can download "all entire log" for a specific task execution logs from beginning.
Have you ever modified job conductor parameters?
You can find these log files in TAC/configuration/Job conductor tab, see the "Task logs folder" setting, that where TAC have all execution log files.
Feel free to let us know if it is Ok with you.
Talend named a Leader.
Kickstart your first data integration and ETL projects.
Learn how to do cool things with Context Variables
Find out how to migrate from one database to another using the Dynamic schema
Pick up some tips and tricks with Context Variables