ORA-00600: [ktcpoptx_0], [0x84AEF9900], ORA-00604, ORA-00018: MAXIMUM NUMBER OF SESSIONS EXCEEDED
(Doc ID 954419.1)
Last updated on FEBRUARY 03, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.1 [Release 10.2 to 11.2]Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Encountered the following errors in the alert.log:
ORA-00600: internal error code, arguments: [ktcpoptx_0], [0x84AEF9900], [0x84AEF9900], [604], [], [], [], []
ORA-00604: error occurred at recursive SQL level 1
ORA-00018: maximum number of sessions exceeded
sessions = 555
----- Call Stack Trace -----
ksedst <- ksedmp <- ksfdmp <- kgerinv <- kgeasnmierr <- ktcpoptx <- psdatx <- pfruatxs <- pfrust <- pfrfxh <- pfrexc <- pfrrun <- plsql_run <- peicnt <- kkxexe <- opiexe <- kpoal8 <- opiodr <- ttcpip <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- opimai_real <- main
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |