[Oracle] sqlplus登录数据库时报错：ORA-12547

[Oracle] sqlplus登录数据库时报错：ORA-12547

在安装好oracle数据库后，sqlplus登录数据库发现报错： ERROR: ORA-12547: TNS:lost contact Enter user-name: 参照官方文档（ID：552979.1）给出的建议进行处理：查看文件： $ ls -ld bin/ora* -rwsr-s--x 1 oracle dba 0 Aug 15 2005 bin/oracle -rwxr-xr-x 1 oracle dba 0 Jun 22 2005 bin/oracleO ... and the <$ORACLE_HOME>/rdbms/lib/config.o object file is zero filesize as well ... $ cd $ORACLE_HOME/rdbms/lib $ ls -l config* -rw-r----- 1 oracle dba 255 Jan 18 11:43 config.c -rw-r----- 1 oracle dba   0 Jan 18 11:53 config.o 发现文件大小均为0 config.o was not generated during the installation, and it will not be re-compiled if it already exists. Remove the zero-length config.o and then re-compile oracle as mentioned below $ cd $ORACLE_HOME/rdbms/lib $ rm config.o $ make -f ins_rdbms.mk config.o ioracle $ ls -l config* -rw-r----- 1 oracle dba  255 Jan 18 11:43 config.c -rw-r--r-- 1 oracle dba 1448 Feb  6 14:56 config.o $ cd $ORACLE HOME/bin $ ls -l oracle* -rwsr-s--x 1 oracle dba 112842648 Feb 6 14:57 oracle -rwsr-s--x 1 oracle dba         0 Aug 15 2005 oracleO 这下使用sqlplus登录就正常了