error 602 detected in background process
ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kssxdl()+507] [SIGSEGV] [ADDR:0x0] [PC:0xB6F147] [Address not mapped to object] []
kjzduptcctx: Notifying DIAG for crash event
----- Abridged Call Stack Trace -----
ksedsts()+461<-kjzdssdmp()+267<-kjzduptcctx()+232<-kjzdicrshnfy()+53<-ksuitm()+1332<-ksbrdp()+3344<-opirip()+623<-opidrv()+603<-sou2o()+103<-opimai_real()+266<-ssthrdmain()+252<-main()+201<-__libc_start_main()+244<-_start()+36
----- End of Abridged Call Stack Trace -----
sometimes the database falls. What is the problem?