WEB.SHOW_DOCUMENT Error

Question

hiiii
using (Developer 10g R2, Win xpSp2)
i have created a simple report on EMP table of scott schema (select * from emp) and saved the emp_rep on(D:\reports\MODULE2.rdf)
and i have built a Form with a button that is when pressed to RUN this report
i have this error :
REP-52266: The in-process Reports Server rep_omd1 failed to start.oracle.reports.RWException: IDL:oracle/reports/RWException:1.0.
the code used is as follow :
declare
URL_VAR varchar2(1000);
begin
URL_VAR:='http://127.0.0.1:8889/reports/rwservlet?server=rep_omd1&report=D:\reports\MODULE2.rdf&desformat=HTMLCSS&destype=cache&userid=scott/tiger@orcl';
WEB.SHOW_DOCUMENT(URL_VAR,'_blank');
end;
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Answer 1

hiii
i did the folowing :
1) in (E:\Oracle\Developer10g\reports\conf\rwservlet.properties) i have changed to
SERVER_IN_PROCESS=NO
2)i have run rwserver server=rep_omd1
3)Start the OC4J
4)use this code
and got the error( REP-51002: Bind to Reports Server rep_omd1 failed)
declare
URL_VAR varchar2(1000);
rep_server_name_var varchar2(30):='rep_omd1';
path_var varchar2(100):='D:\reports\MODULE2.rdf';
source_module_name_var varchar2(20):='REP1';
desformat_var varchar2(20):='HTMLCSS';
destype_var varchar2(20):='cache';
username_var varchar2(20):='scott';
password_var varchar2(20):='tiger';
tns_var varchar2(50):='orcl';
param_full_settings varchar2(1000):='';
begin
URL_VAR:='http://127.0.0.1:8889/reports/rwservlet?server='||rep_server_name_var||'&report='||path_var||'&desformat='||desformat_var||'&destype='||destype_var||'&userid='||username_var||'/'||password_var||'@'||tns_var;
WEB.SHOW_DOCUMENT(URL_VAR,'_blank');
end;
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