ctxrule - match does not return a result

v.11.1.07 - I created a ctxrule index as described below. However, although a query must match on the given document, it does not return. Any ideas?
begin
ctx_ddl.create_preference('ot_lexer', 'basic_lexer');
ctx_ddl.set_attribute('ot_lexer', 'index_stems', 'ENGLOSH');
end;
 
begin
ctx_ddl.create_section_group('ot_sec_group', 'auto_section_group');
end;
 
create table ot_profile_test
(profile_id number,
query clob);
 
create index ot_profile_rule_ndx on ot_profile_test(query)
indextype is ctxsys.ctxrule parameters
('stoplist ctxsys.empty_stoplist
section group ot_sec_group
lexer ot_lexer');
 
insert into ot_profile_test values(1, '($apple and $pear) and (1 within food)');
commit;
 
exec ctxsys.ctx_adm.set_parameter('log_directory', '/yourdir');
exec ctx_output.start_log('ot');
exec ctx_output.add_event(ctx_output.event_index_print_rowid);
exec ctx_output.add_event(ctx_output.event_index_print_token);
exec ctx_ddl.sync_index('ot_profile_rule_ndx', '2040M', null, 1, null, ctx_ddl.lock_nowait_error);
exec ctx_output.end_log;
Then, run a query:
declare
a clob := 'apple orange pears banana
<metadata>
 <indicators>
   <food>1</food>
 </indicators>
</metadata>
';
vn_profile_id number;
 
begin
 
select profile_id into vn_profile_id
from ot_profile_test
where matches(query, a) > 0;
 
dbms_output.put_line(vn_profile_id);
 
end;
 
ERROR at line 1:
ORA-01403: no data found
ORA-06512: at line 8
Profile_id = 1 should not be returned?


In addition, the log file should not have 2 lines written in $I?
WRITING APPLE: ((PEAR) TOKEN = (PEARS)) * ((1) IN FOOD), 0
WRITING APPLES: ((PEAR) TOKEN = (PEARS)) * ((1) IN FOOD), 0

As noted earlier, you must use a list of words, not a lexer to control, like the two conflicts between them. All what you need to do is remove the following line from your code:

ctx_ddl.set_attribute ('ot_lexer', 'index_stems', 'ENGLISH');

You can still have a lexer with other attributes; Just do not set the attribute index_stems to the lexer. Set the attribute generator of forms derived from the list of words only.

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        from xmltable(

    or,

    (2) with the help of a FLWOR expression extended:

    for $d in //Layer
where $d/TileMatrixSetLink/TileMatrixSet = "EPSG:28992"
return $d

    You may have already noticed, but the problem only occurs in a context of PL/SQL.
    The same query to run from SQL is OK.

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