本例是需要将Oracle10.2.0.1升级到10.2.0.4后，再升级到10.2.0.4.4。

升级时遇到一个小错误：Patch ID is null.多数情况这是由于没有升级OPatch包产生的。

oracle@localhost 9352164]$ opatch apply

Invoking OPatch 10.2.0.4.2

Oracle Interim Patch Installer version 10.2.0.4.2

Oracle Home : /u01/app/oracle

Central Inventory : /u01/oraInventory

from : /etc/oraInst.loc

OPatch version : 10.2.0.4.2

OUI version : 10.2.0.4.0

OUI location : /u01/app/oracle/oui

Log file location : /u01/app/oracle/cfgtoollogs/opatch/opatch2015-01-09_14-05-29PM.log

ApplySession failed: Patch ID is null.

System intact, OPatch will not attempt to restore the system

OPatch failed with error code 73

解决方案：升级OPatch包

步骤如下：

10.2.0.4.4补丁编号9352164，OPatch升级包文件为p6880880_102000_Linux-x86-64.zip

[oracle@rac1 ~]$ ls -l /tmp/p*

-rwxr-xr-x 1 root root 5280481 Jan 13 00:42 /tmp/p11724977_10204_Linux-x86-64.zip

-rwxr-xr-x 1 root root 1195551830 Jan 13 00:42 /tmp/p6810189_10204_Linux-x86-64.zip

-rwxr-xr-x 1 root root 27412455 Jan 13 00:42 /tmp/p6880880_102000_Linux-x86-64.zip

-rwxr-xr-x 1 root root 53853693 Jan 13 00:42 /tmp/p9294403_10204_Linux-x86-64.zip

-rwxr-xr-x 1 root root 22294298 Jan 13 00:42 /tmp/p9352164_10204_Linux-x86-64.zip

-rwxr-xr-x 1 root root 1486426 Jan 13 00:42 /tmp/p9952234_10204_Linux-x86-64.zip

1. 解压缩OPatch包到/home/oracle目录，解压后得到一个OPatch目录

# su - oracle

$ unzip /tmp/p6880880_102000_Linux-x86-64.zip

$ ls -l | grep OPatch

drwxr-xr-x 7 oracle oinstall 4096 Nov 3 2010 OPatch

2. 备份原有的OPatch

$ mv $ORACLE_HOME/OPatch $ORACLE_HOME/OPatchbak

3. 更换新的OPatch

$ cp -Rp /home/oracle/OPatch $ORACLE_HOME/OPatch

4. 验证更新后的版本

$ $ORACLE_HOME/OPatch/opatch version

Invoking OPatch 10.2.0.5.1

OPatch Version: 10.2.0.5.1

OPatch succeeded

原来的版本为10.2.0.4.2，现在的版本为10.2.0.5.1

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ApplySession failed: Patch ID is null.