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R12 E-Business Suite Applications Tier OS Upgrade Relink Results In Message: 'Warning: An Unescaped Backslash At End Of String Is Not Portable Upgrading Windows' In The Relink Logfile (Doc ID 2359056.1)

Last updated on OCTOBER 02, 2020

Applies to:

Oracle Applications DBA - Version 12.1.3 and later
Information in this document applies to any platform.


E-Business Suite R12 Applications DBA, Upgrade related issues





While using Cygwin for the first time the files relink fails, and the following warning appears multiple times in the relink log file:

'Warning: an unescaped backslash at end of string is not portable upgrading Windows'

The full error message is included below for reference:


Not linking Oracle E-Business Suite with any Oracle mail product

LALRSTUB is now set to f:/oracle/apps/apps_st/appl/alr/12.0.0/lib/alstub.obj
MAILLNK is now set to f:/oracle/apps/apps_st/appl/alr/12.0.0/lib/alstub.obj

Creating prefix makefiles ...
tr: warning: an unescaped backslash at end of string is not portable
Done creating prefix makefiles

The file f:/oracle/apps/apps_st/appl/admin/orat/out/alkmwa000.txt contains:
f:\oracle\apps\apps_st\appl\mwa\12.0.0\bin\MWADIS.exe mwa bin

The business environment is using E-Business Suite 12.1.3, Forms, Web, with a database of 11.2.0.

They are migrating the E-Business Suite Apps tiers from Windows 2003 to Windows 2012 per the following document:

<Note 1188535.1> - Migrating Oracle E-Business Suite R12 to Microsoft Windows Server 2008 R2 or 2012 R2.

The process involves a switch from using the MKS Toolkit to Cygwin, per the following document:

<Note 414992.1> - Using Cygwin to Maintain Oracle E-Business Suite Release 12 on Windows


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