WCCPatchTool.pl fails due to missing Digest and/or MD5 package

Products

• Autosys Workload Automation
• CA Workload Automation AE - Scheduler (AutoSys)

Issue/Introduction

Applying patch for Workload Control Center, aka WCC or Autosys Web UI, thru patch utility WCCPatchTool.pl may fail with following error message

Can't locate Digest/MD5.pm in @INC (@INC contains: . /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5) at WCCPatchTool.pl line 58.
BEGIN failed--compilation aborted at WCCPatchTool.pl line 58.

Cause

The patch may fail to install due to missing "Perl' packages, when you run WCCPatchTool.exe or WCCPatchTool.pl. For example, in RHEL 7.2, the following packages missing errors are found:
      Data-Dumper
      MD5

Resolution

Install following packages to complete the patch installation.

yum install perl-Data-Dumper

yum install perl-Digest-MD5