goldengate Not able to establish initial position for begin time

环境:

OS:Centos 7

DB:12c

extep报错如下

Source Context :
SourceModule            : [er.redo.ora]
SourceID                : [/scratch/aime/adestore/views/aime_adc00jza/oggcore/OpenSys/src/app/er/redo/oracle/redoora.c]
SourceMethod            : [startCheckPointing]
SourceLine              : [10485]
ThreadBacktrace         : [14] elements
                          : []
                          : []
                          : [/goldengate12c/extract(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : [/goldengate12c/extract()]
                          : [/goldengate12c/extract(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : [eading::MainThread::Run(int, char**))]
]
                          : [
                          : [/goldengate12c/extract()]
                          : [/goldengate12c/extract(ggs::gglib::MultiThreading::MainThread::Run(int, char**)]
                          : [) [0x7b98e1]]
                          : [/goldengate12c/extract(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]
                          : [/goldengate12c/extract()]
                          : [/lib64/libc.so.6(__libc_start_main)]
                          : [/goldengate12c/extract()]

2020-02-17 11:14:55 ERROR   OGG-00446 error retrieving redo log sequence for begin time 2020-02-17 11:08:16.000000 Not able to establish initial position for begin time 2020-02-17 11:08:16.000000.

2020-02-17 11:14:55 ERROR   OGG-01668 PROCESS ABENDING.

解决办法:
Disconnected from Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
[oracle@localhost goldengate12c]$ sqlplus /nolog

SQL*Plus: Release 12.2.0.1.0 Production on Mon Feb 17 11:13:55 2020

Copyright (c) 1982, 2016, Oracle. All rights reserved.

SQL> connect / as sysdba
Connected.
SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            /u01/app/oracle/archlog
Oldest online log sequence     1
Next log sequence to archive   1
Current log sequence           1
SQL> alter system switch logfile;

System altered.