Query regarding spatial Oracle URGENT

Question

Mr. fernando.
I am a new spatial oracle user.I am having a problem frying a query which i have pasted below along with the error message.Things are really mission critical for me.
Please please help me if you can.
Problem overview
1. i have a table with spatial data
create table loc_demo(
ID NUMBER(10,2),
AOI_TYPE VARCHAR2(255),
AOI_SUBTYPE VARCHAR2(255),
NAME VARCHAR2(255),
DESC1 VARCHAR2(255),
DESC2 VARCHAR2(255),
DESC3 VARCHAR2(255),
DESC4 VARCHAR2(255),
MAP_NO VARCHAR2(255),
MAP_REF VARCHAR2(255),
SUBURB VARCHAR2(255),
CITY VARCHAR2(255),
POSTCODE VARCHAR2(255),
SHAPE MDSYS.SDO_GEOMETRY
2. I created a spatial index with setup_locator_index.
exec geocoder_http.setup_locator_index('loc_demo','shape');
3. I fire a query on the table
I am getting this error when i fire the below query and don't get the one if i remove the units clause from the locator_within_distance operator.
IT WORKS
SELECT A.NAME,A.AOI_TYPE FROM loc_demo A
WHERE
LOCATOR_WITHIN_DISTANCE
(A.shape,MDSYS.SDO_GEOMETRY(1,NULL,MDSYS.SDO_POINT_TYPE(2511209.1,4412729.6
,0)
,NULL,NULL),'distance=10') = 'TRUE'
I suppose it works because the default units are longi. and lati.
DOSEN'T WORK
SELECT A.NAME,A.AOI_TYPE FROM loc_demo A
WHERE
LOCATOR_WITHIN_DISTANCE
(A.shape,MDSYS.SDO_GEOMETRY(1,NULL,MDSYS.SDO_POINT_TYPE(2511209.1,4412729.6
,0)
,NULL,NULL),'distance=10 units=Mile') = 'TRUE'
ERROR at line 1:
ORA-29902: error in executing ODCIIndexStart() routine
ORA-13004: the specified buffer size is invalid
ORA-06512: at "MDSYS.SDO_INDEX_METHOD", line 83
ORA-06512: at line 1
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Answer 1

Dan,
Thanks For entertaining , can you please elobrate your explanation.Actually i am very new to the spatial Oracle.
Actually i know that there is a standard known as WGS84 but which are the valid values...e.g....
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by dan abugov:
Hello Raju,
If you want to use the units parameter, you must be in wgs84 (long/lat).
The valid bounds for the coordinate system in long/lat are -180 to 180, and -90 to 90.
Hope this helps,
dan <HR></BLOCKQUOTE>
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