11G RAC使用本地名登陆时遇到监听报错：ORA-12537 TNS:connection closed

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发布时间：2013-12-09 23:23:30

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一个群友遇到了监听的错误：ORA-12537: TNS:connection closed
搜索发现引起此错误的原因可能是:
ORA-12537 if Listener (including SCAN Listener) and Database are Owned by Different OS User [ID 1069517.1]
也就是说监听器和数据库属于不同的OS用户就可以遇到如下问题。
当前的监听器用户是GRID，数据库软件用户是ORACLE。
而数据库装在ORACLE用户下：且ORACLE_HOME目录权限设置不允许GRID用户操作ORACLE软件。

下面实验重现此错误：

[grid@bysrac1 11.2.0]$ su - root
Password:
[root@bysrac1 ~]# cd /u01/app/oracle/product/11.2.0/ ---这个目录是ORACLE 数据库的家目录
[root@bysrac1 11.2.0]# ls
dbhome_1
[root@bysrac1 11.2.0]# ls -al
total 12
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 .
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 ..
drwxr-xr-x 75 oracle oinstall 4096 Jun 22 17:57 dbhome_1
[root@bysrac1 11.2.0]# chmod 700 dbhome_1/
[root@bysrac1 11.2.0]# ls -al
total 12
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 .
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 ..
drwx------ 75 oracle oinstall 4096 Jun 22 17:57 dbhome_1
[root@bysrac1 11.2.0]# su - oracle
[oracle@bysrac1 ~]$ sqlplus bys/bys@caiwu
SQL*Plus: Release 11.2.0.1.0 Production on Fri Dec 6 13:24:33 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
ERROR:
ORA-12537: TNS:connection closed

恢复目录正常权限,SQLPLUS登陆正常：
[root@bysrac1 11.2.0]# chmod 755 dbhome_1/
[root@bysrac1 11.2.0]# ls -al
total 12
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 .
drwxr-xr-x 3 oracle oinstall 4096 Jun 20 14:09 ..
drwxr-xr-x 75 oracle oinstall 4096 Jun 22 17:57 dbhome_1
[root@bysrac1 ~]# su - oracle
[oracle@bysrac1 ~]$ sqlplus bys/bys@caiwu
SQL*Plus: Release 11.2.0.1.0 Production on Fri Dec 6 13:31:59 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
BYS@ caiwu>exit

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