Error ORA-28534 in sql developer

I have an insert to a remote SQLServer database via database link. One of the inserted values is a TO_DATE function. In SQL Developer i get the ORA-28534. But in TOAD or the SQLPLUS the insert works fine.
Database is 10.2.0.4. Sql server is 2005 accessed through oracle gateway for ODBC and easysoft ODBC driver.
Anyone knows why would this error appear only in SQL developer?
Detailed error:
SQL Error: ORA-28534: Heterogeneous Services preprocessing error
28534. 00000 - "Heterogeneous Services preprocessing error"
*Cause:    One of the things that the Heterogeneous Services can do is
to preprocess parts of SQL statements that contain implicit
coercions or calls to explicit coercion functions like TO_CHAR
TO_NUMBER or TO_DATE. For example, it could convert a call to
TO_DATE to a bind variable, pre-evaluate the TO_DATE function
call and pass the resulting value to the non-Oracle system as
the bind value. This behavior is controlled by some coercion
related capabilities. If the capabilities are set incorrectly,
the HS could encounter errors when it attempts to do the
preprocessing. If it does then this error will be signaled.
*Action:   The capability table settings are controlled by the agent
vendor and can be modified by the DBA. Contact your DBA and
agent vendor and get the correct set of capabilities installed.
Edited by: dsmoljanovic on Nov 13, 2009 3:35 PM
Edited by: dsmoljanovic on Nov 13, 2009 3:36 PM

If the code is correct, and when submitted by one client successfully and not by another client, it is reasonable to assume that one client is using different settings/environment/configuration than the other.
And the error you've posted seems to indicate this too.

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    BEGIN
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    /* SELECT region_source into p_sql_stmt
    FROM apex_application_page_regions
    WHERE region_id = p_region_id AND
    page_id = p_page_id AND
    application_id = p_app_id; */
    get_usable_sql (vsql,p_sql_stmt);
    p_content := p_sql_stmt;
    -- Parse the query.
    DBMS_SQL.PARSE(cur, p_sql_stmt , DBMS_SQL.NATIVE);
    -- Retrieve column information
    DBMS_SQL.DESCRIBE_COLUMNS (cur, ncols, cols);
    -- Display each of the column names
    p_content := '<table> <tr>';
    FOR colind IN 1 .. ncols
    LOOP
    p_content := p_content || '<td>' || cols(colind).col_name || '</td>';
    END LOOP;
    p_content := p_content || '</tr>';
    vtab := varColumn(null);
    for i in 1..ncols
    loop
    vtab.extend;
    DBMS_SQL.DEFINE_COLUMN (cur, i, vtab(i), 2000);
    --dbms_output.put_line(vtab(i));
    end loop;
    v_status := DBMS_SQL.EXECUTE (cur);
    LOOP
    p_content := p_content || '<tr>';
    EXIT WHEN (DBMS_SQL.FETCH_ROWS (cur) <= 0);
    FOR i IN 1 ..ncols
    loop
    DBMS_SQL.COLUMN_VALUE (cur, i, vtab(i));
    -- p_content := p_content || '<td>' || 'xyz' || '</td>';
    p_content := p_content || '<td>' || vtab(i) || '</td>';
    END LOOP;
    p_content := p_content || '</tr>' ;
    END LOOP;
    p_content := p_content || '<table>' ;
    DBMS_SQL.CLOSE_CURSOR (cur);
    exception
    when others then
         p_content := '<td>Exception Error in printing data</td><table>' ;
    DBMS_SQL.CLOSE_CURSOR (cur);
    end;
    procedure excel_footer( p_footer in out nocopy clob)
    as
    begin
    p_footer := '</body></html>';
    end;
    PROCEDURE get_usable_sql (p_sql_in IN clob, p_sql_out OUT clob)
    IS
    v_sql clob;
    v_names DBMS_SQL.varchar2_table;
    v_pos NUMBER;
    v_length NUMBER;
    v_exit NUMBER;
    BEGIN
    v_sql := p_sql_in;
    v_names := wwv_flow_utilities.get_binds (v_sql);
    FOR i IN 1 .. v_names.COUNT
    LOOP
    <<do_it_again>>
    v_pos := INSTR (LOWER (v_sql), LOWER (v_names (i)));
    v_length := LENGTH (LOWER (v_names (i)));
    v_sql :=
    SUBSTR (v_sql, 1, v_pos - 1)
    || v_names (i)
    || SUBSTR (v_sql, v_pos + v_length);
    v_sql :=
    REPLACE (v_sql,
    UPPER (v_names (i)),
    '(SELECT v('''
    || LTRIM (v_names (i), ':')
    || ''') FROM DUAL)'
    IF INSTR (LOWER (v_sql), LOWER (v_names (i))) > 0
    THEN
    GOTO do_it_again;
    END IF;
    END LOOP;
    p_sql_out := v_sql;
    END;
    END export_pkg_spread_sheet;
    After creating the package pass the parameter to package like this
    begin
    export_pkg_spread_sheet.download_excel('select * from emp');
    end;
    Package will allow to download the spread shreet. If i try to pass the a complex query to package it is returning error as mentioned below
    ORA-06502: PL/SQL: numeric or value error
    In the above package there is a procedure called procedure excel_content which actuall prints the data in the spread sheet this is where the error is coming from there is a variable called vsql have declared it as clob to hold large string but still i am getting the same error when trying to pass a big string.
    Please check the error and let me know.
    Thanks
    Sudhir

    Hi Praveen,
    This is the query i am using to pass
    Declare
    qry clob;
    Begin
    qry := ' 'SELECT
    AR.REGION_CODE,
    AR.DISTRICT_CODE,
    AR.TERRITORY_CODE,
    CASE
    WHEN AR.REGION_NAME IS NOT NULL AND AR.DISTRICT_NAME IS NULL AND AR.TERRITORY_NAME IS NULL THEN
    AR.REGION_NAME
    WHEN AR.REGION_NAME IS NOT NULL AND AR.DISTRICT_NAME IS NOT NULL AND AR.TERRITORY_NAME IS NULL THEN
    AR.DISTRICT_NAME
    WHEN AR.REGION_NAME IS NOT NULL AND AR.DISTRICT_NAME IS NOT NULL AND AR.TERRITORY_NAME IS NOT NULL THEN
    AR.TERRITORY_NAME
    END TERR_NAME,
    AR.EMPLOYEE_ID,
    AR.LAST_NAME,
    AR.FIRST_NAME,
    AR.GENDER,
    AR.DATE_OF_HIRE,
    AR.PROJECT_EMPLOYEE_TITLE_ID,
    AR.COMPANY_ID,
    AR.CUSTOMER_EMAIL,
    AR.BUSINESS_EMAIL,
    AR.CUSTOMER_VOICEMAIL,
    AR.CUSTOMER_VOICEMAIL_EXT,
    AR.QUINTILES_VOICEMAIL,
    AR.QUINTILES_VOICEMAIL_EXT , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_1(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_ADDRESS_TYPE_1" , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_2(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_ADDRESS_TYPE_2" , complete_roster_pkg_report.AR_F_ADDRESS_GET_PHONE(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_Phone" , complete_roster_pkg_report.AR_F_ADDRESS_GET_CITY_TOWN(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_City_Town" , complete_roster_pkg_report.AR_F_ADDRESS_GET_COUNTRY_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_Country_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_STATE_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_State_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_ZIP_POSTAL(AR.PROJECT_ID,AR.EMPLOYEE_ID,1 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Shipping_ZipCode" , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_1(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_ADDRESS_TYPE_1" , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_2(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_ADDRESS_TYPE_2" , complete_roster_pkg_report.AR_F_ADDRESS_GET_PHONE(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_Phone" , complete_roster_pkg_report.AR_F_ADDRESS_GET_CITY_TOWN(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_City_Town" , complete_roster_pkg_report.AR_F_ADDRESS_GET_COUNTRY_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_Country_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_STATE_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_State_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_ZIP_POSTAL(AR.PROJECT_ID,AR.EMPLOYEE_ID,3 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Storage_ZipCode" , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_1(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_ADDRESS_TYPE_1" , complete_roster_pkg_report.AR_F_ADDRESS_GET_LINE_2(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_ADDRESS_TYPE_2" , complete_roster_pkg_report.AR_F_ADDRESS_GET_PHONE(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_Phone" , complete_roster_pkg_report.AR_F_ADDRESS_GET_CITY_TOWN(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_City_Town" , complete_roster_pkg_report.AR_F_ADDRESS_GET_COUNTRY_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_Country_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_STATE_NAME(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_State_Name" , complete_roster_pkg_report.AR_F_ADDRESS_GET_ZIP_POSTAL(AR.PROJECT_ID,AR.EMPLOYEE_ID,4 ,TO_DATE(AAH.EFFECTIVE_DATE)) "Home_ZipCode" FROM AR_V_ROSTER AR
    LEFT JOIN AR_V_ADDRESS_HISTORY AAH
    ON
    (AR.PROJECT_ID = AAH.PROJECT_ID AND
    AR.EMPLOYEE_ID = AAH.EMPLOYEE_ID)
    WHERE
    UPPER(AR.USER_EMPLOYEE_ID) = ''Q766730'' AND
    AR.PROJECT_ID = 81 ';
    export_pkg_spread_sheet.download_excel(qry);
    End;
    Praveen you can pass your DB table query to check the error. I am trying to pass as mentioned above.
    Please let me know if my question is not clear.
    Thanks
    Sudhir

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