Patches to be installed: [119963-20] on solaris to install Orcle IPlanet 7.0.9

ERROR : Orcle IPlanet 7.0.9 on solaris installation will Abort with the below error
Aborting the installation.
Jul 24, 2012 8:53:57 AM com.sun.web.installer.common.dialogs.CustomDirectorySelectionPanel isDisplayComplete
INFO: Installing Oracle iPlanet Web Server 7.0.9
Jul 24, 2012 8:53:58 AM com.sun.web.installer.web.dialogs.PatchDetectionListener displayWarning
INFO: The following patches need to be installed for the server installation to complete successfully.
Patches to be installed: [119963-20]

CAUSE:
showrev -p Prints only the revision information about patches
user@localhost1 ~ $ showrev -p | grep Patchid
Patch: 119963-08 Obsoletes: Requires: Incompatibles: Packages: SUNWlibC
the above information says SUNWlibC patches are not installed in the OS

SOLUTION:We need to install SUNWlibC Patch at Opertation system Level

http://docs.oracle.com/cd/E19146-01/821-1835/gduwe/index.html