Where is the insert method for this Tables (GeneralJournalEntry,GeneralJournalAccountEntry) in ax 2012

version : ax 2012

Table Name : GeneralJournalAccountEntry and GeneralJournalEntry

When was the record insert thoseTables…,

where is the insert method for these two tables

Add a break point to the insert method and see the call stack.

I don’t know where is the insert method

You may not be having insert methods on those tables, Just override them and add a break point and run the process (example - posting of general journal)
I can see that insert happens from here,
\Classes\LedgerPostingGeneralJournalController\transferLines
\Classes\LedgerPostingGeneralJournalController\transferEntries