While applying patch 16838089 stuck with performance issue for sql populate_icx_endeca.sql which to

While applying patch 16838089  stuck with performance issue for sql populate_icx_endeca.sql which took more than 4 hours but still not get completed.  At last we have quit all worker and tried  to re apply patch by giving only 1 worker but now patch failed with file afmimefilext.sql. Below error details
Start time for statement below is: Tue Jul 23 2013 08:58:33

INSERT INTO FND_MIME_TYPES ( mime_type_id, mime_type, ctx_format_code,
last_update_date, last_updated_by,creation_date, created_by,
last_update_login,file_ext, allow_file_upload ) VALUES (
fnd_mime_types_s.NEXTVAL, 'application/zip', 'IGNORE', sysdate, -1,