Can we handled exceptions in Oracle EDQ?

Hi All,
I need to know, how to handle exceptions in EDQ? for example when i am fetcthing data from DB view, DB is down/ process is hanged then i have to send error msg to Webservice.
How can i handled this situation? Thanks in advance.
Regards,
Chandra

Hi,
This can be done, using the Triggers functionality, and a trigger that detects a certain type of error in a log and calls a web service.
Someone more experienced than me in writing triggers would probably need to help with an example.
Regards,
Mike

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Hi all,
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For example consider the following query.
SQL> select to_number( substr('r01',2,2) ) from dual;
TO_NUMBER(SUBSTR('R01',2,2))
1
Here we got the value as "1".
Consider the following query.
SQL> select to_number( substr('rr1',2,2) ) from dual;
select to_number( substr('rr1',2,2) ) from dual
ORA-01722: invalid number
For this I got error. Because the substr returns "r1" which is expected to be as number. So it returns "Invalid number".
So, without using procedures or functions can we handle these type of exceptions?
I am using Oracle 10 G.
Thanks in advance.
Thank you,
Regards,
Gowtham Sen.

SQL> select decode(ltrim(rtrim(translate(substr('r21', 2, 2), '0123456789', ' ' ), ' '), ' '), null, (substr('r21', 2, 2)), null) from dual;
DE
21
SQL> ed a
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Hi!
User gets an error:
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Thanks Vikas for your answer.
These workarounds are really creative and I want to use one of them. BUT my problem is to 'catch' the exception/error when two users want to modify the same set of data at the same time.
Those solutions which we can read about in this link you gave me describe handling exceptions in pl/sql processes. How can I catch the error I am talking about in pl/sql code?
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two_users EXCEPTION;
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Hi Sudhakara,
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this link may be helpful:
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How can i handle exceptions in bulck collect?

Hi All,
in case of any exception will raise i just print the emp_no prefix with sqlerrm.but i got sqlerrm only ,now the emp_no is blank.how can i print my emp_no.
SET serveroutput ON;
DECLARE
TYPE employee_tab IS TABLE OF emp_ins%ROWTYPE
INDEX BY BINARY_INTEGER;
CURSOR c1 IS SELECT * FROM emp_ins ORDER BY emp_no;
Employee_data      employee_tab;
lv_n_emp_no NUMBER;
lv_n_count NUMBER:=1;
BEGIN
     IF c1%isopen THEN
     CLOSE C1;
     END IF;
     OPEN C1;
     FETCH C1 BULK COLLECT INTO Employee_data;
     CLOSE C1;
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     INSERT INTO emp_test VALUES Employee_data(i);
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lv_n_count:= NVL (lv_n_count, 1) + 1;
     COMMIT;
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EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE(lv_n_emp_no||','||SQLERRM);
END;
Regards
Gopinath M

SQL> create table emp_test as select * from emp where 1=2
2 /
Tabel is aangemaakt.
SQL> alter table emp_test add constraint emp_ck check (sal > 1500)
2 /
Tabel is gewijzigd.
SQL> declare
2    type t_employee_tab is table of emp%rowtype index by binary_integer;
3    r_employee_data t_employee_tab;
4    e_bulk_errors exception;
5    pragma exception_init ( e_bulk_errors, -24381 );
6 begin
7    select *
8      bulk collect into r_employee_data
9      from emp
10     order by empno
11    ;
12    forall i in r_employee_data.first..r_employee_data.last save exceptions
13      insert into emp_test values r_employee_data(i);
14 exception
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16    for j in 1..sql%bulk_exceptions.count
17    loop
18      dbms_output.put_line
19      ( r_employee_data(sql%bulk_exceptions(j).error_index).empno
20        || ', ' || r_employee_data(sql%bulk_exceptions(j).error_index).ename
21        || ', (sal=' || r_employee_data(sql%bulk_exceptions(j).error_index).sal
22        || ') :' || sqlerrm(-sql%bulk_exceptions(j).error_code)
23      );
24    end loop;
25 end;
26 /
7369, SMITH, (sal=800) :ORA-02290: check constraint (.) violated
7521, WARD, (sal=1250) :ORA-02290: check constraint (.) violated
7654, MARTIN, (sal=1250) :ORA-02290: check constraint (.) violated
7844, TURNER, (sal=1500) :ORA-02290: check constraint (.) violated
7876, ADAMS, (sal=1100) :ORA-02290: check constraint (.) violated
7900, JAMES, (sal=950) :ORA-02290: check constraint (.) violated
7934, MILLER, (sal=1300) :ORA-02290: check constraint (.) violated
PL/SQL-procedure is geslaagd.
SQL> select * from emp_test
2 /
     EMPNO ENAME      JOB              MGR HIREDATE                   SAL       COMM     DEPTNO
      7499 ALLEN      SALESMAN        7698 20-02-1981 00:00:00       1600        300         30
      7566 JONES      MANAGER         7839 02-04-1981 00:00:00       2975                    20
      7698 BLAKE      MANAGER         7839 01-05-1981 00:00:00       2850                    30
      7782 CLARK      MANAGER         7839 09-06-1981 00:00:00       2450                    10
      7788 SCOTT      ANALYST         7566 09-12-1982 00:00:00       3000                    20
      7839 KING       PRESIDENT            17-11-1981 00:00:00       5000                    10
      7902 FORD       ANALYST         7566 03-12-1981 00:00:00       3000                    20
7 rijen zijn geselecteerd.Regards,
Rob.

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Hi,
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In our application we have an unbounded taskflow with one page (jspx). It's quite a simple page, as it only displays some data from a managed bean.
When we run the application and e.g. throw explicitly a RuntimeException form one of the getters, all we get is the 'progress indicator', not even a stacktrace on the page (only in the logs).
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Hi Aino
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Edited by: TheCrusader on 09-jul-2010 15:03
Edited by: TheCrusader on 09-jul-2010 15:10

Handling exceptions at Sub-Process Level

Can we handle exceptions at Sub-Process level itself? Or do we need to transfer the exceptions to the main process and then only the admin user can handle them?

The same thing applies to subprocesses. A subprocess is just a process that has been invoked by another process and the same exception handling rules apply to it.
You can catch exceptions in any process using:
<li> logic at the activity level using a try/catch block
<li> an activity using an Exception transition
<li> a Group in the process using an Exception transition
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Can we handle the pre defined exceptions?

Hi people,
I have a simple stored procedure in oracle 9i with following code.
create or replace procedure psam1( no int) is
a number;
b number;
e exception;
v varchar(10);
begin
select sal into a from sample where sno=no;
select count(*) into b from sample where sno=no;
if b>1 then
raise e;
elsif a>1000 then
v:='PASS';
else
v:='FAIL';
end if;
dbms_output.put_line(v);
exception
when e then
raise_application_error(-20002,'MORE THAN ONE RECORD EXISTS');
end;
My question is if i want to handle the exception
'ORA-01422: exact fetch returns more than requested number of rows'.
If my fetch retrieves more than one row then Exception e should be raised.but can we handle those predefined exceptions?.

Hi Vids,
As said already, yes you can.
But there is some misunderstandig in your code. If in fact you do have ORA-01422, you second select will never get executed, since the first one will raise that.
You code could be as simple as this:
create or replace procedure psam1(no int)
is
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begin
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                else 'FAIL'
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    where sno = no;
   dbms_output.put_line(v);
exception
   when no_data_found -- Predefined exception for ORA-00001
   then
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   when too_many_rows -- Predefined exception for ORA-01422
   then
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end;As you see ORA-01422 is predefined (TOO_MANY_ROWS), read more about those here [Predefined PL/SQL Exceptions|http://download.oracle.com/docs/cd/B28359_01/appdev.111/b28370/errors.htm#insertedID4]
If you choose just to (re)-raise the exception then you should omit that exception handler.
Regards
Peter

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People I hope you all are at your Good Health!
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How can we handle user defined exceptions in ejbStore() of entity bean

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java.lang.RuntimeException: Hibernate jdbc exception on operation=deleteItem
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(Typed Object #0 'flex.messaging.messages.ErrorMessage')
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minor = 0
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Hi Hong,
I can confirm that 0xE8010014 represents a driver fault. Unfortunately without a dump or some other trace file it is hard to track this down. You could create a dump file if you can reproduce it, upload it to your OneDrive and then post the link here, I
can grab it and take a look.
>>This is reported by users. Unfortunately I am unable to reproduce it.
Could you please collect the OS version which have this issue?
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Would like to know what is the best optimized way to handle exception that are caused by process because of type mismatch or variable not initialized or anything?
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Use the new error hospital feature in rel 10.1.3.3.
http://www.oracle.com/technology/products/ias/bpel/pdf/10133technotes.pdf
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http://orasoa.blogspot.com

Can we handled exceptions in Oracle EDQ?

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