ORA-24301 null host specified in thread-safe logon cause and solution
The following is the ORA-24301 error message, you can learn the cause and solution of the Oracle database error.
ORA-24301 null host specified in thread-safe logon
Cause: An HDA was not specified in the logon call while running in a thread safe environment.
Solution: Make sure that HDA is not NULL when calling the logon routine.
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