Database Networking (MOSC)

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How can I solve this issue

in Database Networking (MOSC) 4 commentsAnswered

Hi!

I am newbie in oracle.

I got a problem my listener suddenly got a problem and eventually I cannot connect to the database. I check the alert log and I found the following error can anybody help to how to solve this issue.

Thanks and regards.

Errors in file F:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_aqpc_3372.trc (incident=307505) (PDBNAME=CDB$ROOT):

ORA-00445: background process "QM03" did not start after 120 seconds

Incident details in: F:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\incident\incdir_307505\orcl_aqpc_3372_i307505.trc

2023-08-12T01:11:06.045565+08:00

ERROR: Unable to normalize symbol name for the following short stack (at offset 211):

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