11.2.0.2 patchset installer crashes with INS-07003 and INS-07009

11.2.0.2 patchset installer crashes with INS-07003 and INS-07009 [ID 1267137.1]
Oracle Server - Enterprise Edition - Version: 11.2.0.2 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.
Issue seen on multiple Unix OS platforms, but only with the 11.2.0.2 OUI (aka runInstaller)

Symptoms

While trying to install the 11.2.0.2 software onto our UNIX system,  the 11.2.0.2 patchset installer crashes with:

        INS-07003 Unexpected error occurred while accessing the bean store.

A "details" button is available, which clarifies:

        INS-07009 Unable to load bean store
        oracle.xml.parser.v2.XMLParseException: Invalid char in text.

Cause

Escape characters in the environment variable PS1 have been determined to cause this issue:

Examples of PS1 values that cause this issue:

1.)  PS1=${PWD}

2.)  BoldOn=$(tput bold)
      BoldOff=$(tput sgr0)
      PS1=$BoldOn'${ORACLE_SID}@${HOSTNAME}$ '$BoldOff

Solution

1. Please temporarily unset the environment variable PS1

2. Perform the 11.2.0.2 installation