Trace file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_13408.trc Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production Build label: RDBMS_12.2.0.1.0_LINUX.X64_170125 -------->>>>多了此行. ORACLE_HOME: /u01/app/oracle/product/12.2.0/dbhome_1 System name: Linux Node name: db12cr2 Release: 2.6.32-573.el6.x86_64 Version: #1 SMP Wed Jul 1 18:23:37 EDT 2015 Machine: x86_64 Instance name: orcl Redo thread mounted by this instance: 0 <none> Oracle process number: 8 Unix process pid: 13408,image: oracle@db12cr2 (TNS V1-V3)