打补丁报错：
[oracle@db01 23054359]$ opatch apply
Oracle Interim Patch Installer version 11.2.0.3.10
Copyright (c) 2019, Oracle Corporation. All rights reserved.
Oracle Home : /oracle/app/oracle/product/11.2.0
Central Inventory : /oracle/app/oraInventory
from : /oracle/app/oracle/product/11.2.0/oraInst.loc
OPatch version : 11.2.0.3.10
OUI version : 11.2.0.4.0
Log file location : /oracle/app/oracle/product/11.2.0/cfgtoollogs/opatch/opatch2019-05-27_20-37-28PM_1.log
Verifying environment and performing prerequisite checks...
Prerequisite check "CheckActiveFilesAndExecutables" failed.
The details are:
Following executables are active :
/oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
Prerequisite check "CheckActiveFilesAndExecutables" failed.
The details are:
Following executables are active :
/oracle/app/oracle/product/11.2.0/lib/libnmemso.so
UtilSession failed: Prerequisite check "CheckActiveFilesAndExecutables" failed.Prerequisite check "CheckActiveFilesAndExecutables" failed.
Log file location: /oracle/app/oracle/product/11.2.0/cfgtoollogs/opatch/opatch2019-05-27_20-37-28PM_1.log
OPatch failed with error code 73解决方案：
查看文件使用者，并查询文件使用进程号杀掉
[oracle@db01 23054359]$ fuser /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
/oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1: 25765m 45788m 45931m
[oracle@db01 23054359]$
[oracle@db01 23054359]$
[oracle@db01 23054359]$ lsof /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
emagent 25765 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
java 45788 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
sqlplus 45931 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
[oracle@db01 23054359]$
[oracle@db01 23054359]$ kill -9 45931
[oracle@db01 23054359]$ kill -9 ^C
[oracle@db01 23054359]$ lsof /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
emagent 25765 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
java 45788 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
[oracle@db01 23054359]$
[oracle@db01 23054359]$
[oracle@db01 23054359]$ kill -9 45788
[oracle@db01 23054359]$ lsof /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
emagent 25765 oracle mem REG 8,5 53793682 920687 /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1
[oracle@db01 23054359]$
[oracle@db01 23054359]$
[oracle@db01 23054359]$ lsof /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.^C
[oracle@db01 23054359]$ kill -9 25765
[oracle@db01 23054359]$ lsof /oracle/app/oracle/product/11.2.0/lib/libclntsh.so.11.1验证正常：
[oracle@db01 23054359]$ opatch apply
Oracle Interim Patch Installer version 11.2.0.3.10
Copyright (c) 2019, Oracle Corporation. All rights reserved.
Oracle Home : /oracle/app/oracle/product/11.2.0
Central Inventory : /oracle/app/oraInventory
from : /oracle/app/oracle/product/11.2.0/oraInst.loc
OPatch version : 11.2.0.3.10
OUI version : 11.2.0.4.0
Log file location : /oracle/app/oracle/product/11.2.0/cfgtoollogs/opatch/opatch2019-05-27_20-38-44PM_1.log
Verifying environment and performing prerequisite checks...
OPatch continues with these patches: 17478514 18031668 18522509 19121551 19769489 20299013 20760982 21352635 21948347 22502456 23054359
Do you want to proceed? [y|n]
y
User Responded with: Y