Last login: Tue Apr 25 12:06:17 2017
[root@node1 ~]# su - oracle
[oracle@node1 ~]$ sqlplus / as sysdba
sql*Plus: Release 10.2.0.1.0 - Production on Tue Apr 25 12:07:03 2017
Copyright (c) 1982,2005,Oracle. All rights reserved.
Connected to an idle instance.
sql> startup
ORACLE instance started.
Total System Global Area 167772160 bytes
Fixed Size 2019320 bytes
Variable Size 83886088 bytes
Database Buffers 79691776 bytes
Redo Buffers 2174976 bytes
Database mounted.
Database opened.
sql> !
[oracle@node1 ~]$ lsnrctl start
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 25-APR-2017 12:08:44
Copyright (c) 1991,Oracle. All rights reserved.
Starting /u01/oracle/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/oracle/network/admin/listener.ora
Log messages written to /u01/oracle/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 25-APR-2017 12:08:46
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/oracle/network/admin/listener.ora
Listener Log File /u01/oracle/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc",status UNKNOWN,has 1 handler(s) for this service...
The command completed successfully
[oracle@node1 ~]$
二、测试
三、问题解决
1、MyCAT Server startup successfully. see logs in logs/mycat.log
2017-04-25 19:08:40,953 [ERROR][Timer1] JDBCHeartBeat error java.sql.sqlException: No suitable driver found for jdbc:oracle:thin:@127.0.0.1:1521:ORCL
at java.sql.DriverManager.getConnection(DriverManager.java:604)
at java.sql.DriverManager.getConnection(DriverManager.java:221)
原因：缺少jar包
2、(io.mycat.backend.jdbc.JDBCHeartbeat:JDBCHeartbeat.java:114)
2017-04-25 19:12:09,828 [ERROR][Timer1] JDBCHeartBeat error java.sql.sqlException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.driver.DatabaseError.throwsqlException(DatabaseError.java:112)
at oracle.jdbc.driver.DatabaseError.throwsqlException(DatabaseError.java:146)
at oracle.jdbc.driver.DatabaseError.throwsqlException(DatabaseError.java:255)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
原因：网络ip和监听是否正常
