opidcl aborting process unknown ospid () as a result of ORA-28
I just encountered several some errors as below: I want to know was the process been killed by the os or the USER?
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Mon Jul 23 11:26:45 2018
opidcl aborting process unknown ospid (37173) as a result of ORA-28
Mon Jul 23 11:26:45 2018
opidcl aborting process unknown ospid (31163) as a result of ORA-28
Mon Jul 23 11:26:45 2018
opidcl aborting process unknown ospid (37175) as a result of ORA-28
Mon Jul 23 11:26:45 2018
opidcl aborting process unknown ospid (37336) as a result of ORA-28
Mon Jul 23 11:27:33 2018
opidcl aborting process unknown ospid (36486) as a result of ORA-28