March 2016 archive

ORA-00600: internal error code, arguments: [kpdbSwitchPreRestore: txn] in Oracle Database 12c

On several Oracle DB in 12.1.0.2 version I started receiving some strange ORA-00600 and ORA-07445 errors in the alert file. In ORA-00600, the first parameter was "[kpdbSwitchPreRestore: txn]": Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0xFAC8] [PC:0x7A1FA6E, qksanEndSession()+30] [flags: 0x0, count: 1] Errors in file /u02/diag/rdbms/cdbtim01/cdbtim01/trace/cdbtim01_j004_21773.trc (incident=57639): ORA-07445: exception encountered: core dump [qksanEndSession()+30] [SIGSEGV] [ADDR:0xFAC8] [PC:0x7A1FA6E] …

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Cannot delete service template. Service instance(s) are associated to this template.

This week I was trying to delete a "Service Template" in Oracle Enterprise Manager Cloud Control 12c that I used to create a "Schema as a Service" scenario. Before doing that, I deleted all the Service Instances associated and my EM showed none associated, like the picture below. However, even though when I tried to delete it I …

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