Summary
Error
Exception occurred. Message: [Mercury][Oracle JDBC Driver][Oracle]ORA-12899: value too large for column "<schema_Name>"."TEST"."TS_NAME" (actual: 257, maximum: 255) Failed SQL: /* ~~QC */ ...
Cause
Its likely caused by some 2-byte characters in the field
Fix
Corrective Procedure:
Step 1) If the error "ORA-12899" has already occurred during upgrade restore a backup of the project schema
Step 2) Issue the query:
ALTER SYSTEM SET NLS_LENGTH_SEMANTICS=CHAR scope=spfile
Step 2) Stop ALM service and restart the Oracle instance
Step 3) Once Oracle is back online start ALM service
Step 4) Issue the following to the project schema…
drop index <schema>.TS_Subject_name_idx;
alter table <schema>.test modify (ts_name varchar2(255 char));
CREATE UNIQUE INDEX <schema>.TS_SUBJECT_NAME_IDX ON <schema>.TEST (TS_SUBJECT, LOWER(TS_NAME));
commit;
Step 5) Verify, Repair, then Upgrade the project