今天一天34数据库登录不上,报TNS-12541: TNS:no listener
到服务器上看下监听器状态
- oracle@linux-34:~> lsnrctl status
- LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 14-OCT-2011 09:12:37
- Copyright (c) 1991, 2007, Oracle. All rights reserved.
- Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=linux-34.site)(PORT=1521)))
- TNS-12541: TNS:no listener
- TNS-12560: TNS:protocol adapter error
- TNS-00511: No listener
- Linux Error: 111: Connection refused
- Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
- TNS-12541: TNS:no listener
- TNS-12560: TNS:protocol adapter error
- TNS-00511: No listener
- Linux Error: 111: Connection refused
启动下试试
- oracle@linux-34:~> lsnrctl start
- LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 14-OCT-2011 09:12:45
- Copyright (c) 1991, 2007, Oracle. All rights reserved.
- Starting /home/oracle/product/11.1.0/db_1/bin/tnslsnr: please wait...
- TNSLSNR for Linux: Version 11.1.0.6.0 - Production
- System parameter file is /home/oracle/product/11.1.0/db_1/network/admin/listener.ora
- Log messages written to /home/oracle/diag/tnslsnr/linux-34/listener/alert/log.xml
- Error listening on: (ADDRESS=(PROTOCOL=ipc)(PARTIAL=yes)(QUEUESIZE=1))
- No longer listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=linux-34.site)(PORT=1521)))
- TNS-12546: TNS:permission denied
- TNS-12560: TNS:protocol adapter error
- TNS-00516: Permission denied
- Linux Error: 13: Permission denied
- Listener failed to start. See the error message(s) above...
竟然报TNS-12546: TNS:permission denied
查看下 /var/tmp/.oracle、/tmp/.oracle 这两个目录的权限访问。
- linux-34:~ # ls -lrtd /tmp/.oracle
- drwxrwxrwx 2 root root 4096 May 9 16:01 /tmp/.oracle
- linux-34:~ # ls -lrtd /var/tmp/.oracle
- drwxr-xr-x 2 root root 4096 Oct 14 09:45 /var/tmp/.oracle
原因应该就在这了,/var/tmp/.oracle是755权限,把它修改为777。
- linux-34:~ # chmod -R 777 /var/tmp/.oracle
然后再启动监听试试。
问题解决。
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