1869507 - Upgrade error message "Found contradicting entry for 'j2ee/dbdriver'" in phase INSTANCELIST_POST

Symptom

During a SAP system upgrade, an error happens with the following information:

Last error code set: Found contradicting entry
for 'j2ee/dbdriver': '$$(DIR_EXECUTABLE)$$(DIR_SEP)db2jcc4.jar' !
= '$$(DIR_EXECUTABLE)/db2jcc.jar:$$(DIR_EXECUTABLE)/db2jcc_license_cu.jar'

Similar to:

This error has been reported in different phases such as MAIN_SWITCH/SUBMOD_SWITCH_KERNEL/INSTANCELIST_POST, PREP_INPUT/INSTANCELIST_PRE or PREP_GENCHECKS/RFCTRUST_AUTHORITY_CHECK.

You're not able to proceed.

Environment

SAP Netweaver Release Independent

Product

SAP ERP 6.0 ; SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0 ; mySAP ERP 2004

Keywords

modify, profile, value, java, parameter, db, update, ehp, enhancement, package, SUM, startup, software, update, manager, issue, shadow, instance, dual, stack, different, extract,
Found contradicting entry, j2ee/dbdriver, PREP_GENCHECKS/MERGEPROF_CHECK, MERGEPROF_CHECK. MERGEPROF CHECK , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-EHP-INS-TLA , Please use BC-UPG-TLS-TLA , Problem

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