Calling Java Constructor from Oracle Stored Procedure

Hi all,
I have come across a situation where on insert into one Oracle database instance, a trigger will be fired which will call a procedure which in turn calls a Java constructor with 2 string arguments(The Java class is loaded into another instance of Oracle using Loadjava).
(Note: I don't want to call a static method from the Oracle procedure)
I have seen some examples where in using links, on insertion into a table another table of another instance can also be updated.
for ex: "INSERT INTO testuser.sal_audit@mainlink VALUES (?, ?, ?)" where "mainlink" is a DB link between the 2 instances.
Similarly is it possble to call the Java constructor loaded in another instance?
I have tried in this way. It's not working.
create or replace procedure pr_Cust_object(FeData varchar2,szDummy varchar2) as
LANGUAGE JAVA NAME
'CustomObject@mainLink(java.lang.String, java.lang.String)';
end pr_Cust_object;
Expecting help at the earliest--ASAP.
Thanks and Regards,
Narendra S K

I don't know how to do that, but I would be interested in knowing how long each insert/update/delete (which ever the trigger fires on) takes.
And the logic for rollbacks is probably really interesting.

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Calling Java programs from Oracle Stored Procedure

Is it possible to call Java programs from Oracle stored procs? If possible Can this be used to exchange data from other applications? Is there a better method/feature in oracle for doing data exchange with other apps?

If what you mean by Oracle stored procedures is pl/sql then yes.
You can create a "wrapper" this way:
CREATE OR REPLACE FUNCTION xmlXform
in_mapUrl IN VARCHAR2,
in_inputUrl IN VARCHAR2
RETURN VARCHAR2
AS
LANGUAGE JAVA NAME
'com.yourcompany.xml2any.xform(java.lang.String,java.lang.String)
RETURN java.lang.String';
Then load the java as:
loadjava -user youruser/youruserpasswd -resolve -verbose lib/xmlparserv2.jar classes/com/yourcompany/xform.class classes/com/yourcompany/xml2any.class
The java, given the correct permissions, can do anything java can do including communicate with outside applications.
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Calling OLE API from Oracle Stored Procedure

An application that I need to intergate with exposes only the OLE API. How can I invoke these OLE APIs from Oracle stored procedure? Do I need any special/ additional Oracle components? Can you please help. Any links to examples would be very helpful. Thanks.

If what you mean by Oracle stored procedures is pl/sql then yes.
You can create a "wrapper" this way:
CREATE OR REPLACE FUNCTION xmlXform
in_mapUrl IN VARCHAR2,
in_inputUrl IN VARCHAR2
RETURN VARCHAR2
AS
LANGUAGE JAVA NAME
'com.yourcompany.xml2any.xform(java.lang.String,java.lang.String)
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Then load the java as:
loadjava -user youruser/youruserpasswd -resolve -verbose lib/xmlparserv2.jar classes/com/yourcompany/xform.class classes/com/yourcompany/xml2any.class
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We're going to write a new web interface for a big system based on Oracle database. All business rules are already coded in PL/SQL stored procedures and we'd like to reuse as much code as possible. We'll write some new stored procedures that will combine the existing business rules and return the final result dataset.
We want to do this on the database level to avoid java-db round trips. The interface layer will be written in Java (we'd like to use GWT), so we need a way of passing data from Oracle stored procedures to Java service side. The data can be e.g. a set of properties of a specific item or a list of items fulfilling certain criteria. Would anyone recommend a preferable way of doing this?
We're considering one of the 2 following scenarios:
passing objects and lists of objects (DB object types defined on the schema level)
passing a sys_refcursor
We verified that both approaches are "doable", the question is more about design decision, best practice, possible maintenance problems, flexibility, etc.
I'd appreciate any hints.

user1754151 wrote:
We're going to write a new web interface for a big system based on Oracle database. All business rules are already coded in PL/SQL stored procedures and we'd like to reuse as much code as possible. We'll write some new stored procedures that will combine the existing business rules and return the final result dataset.
We want to do this on the database level to avoid java-db round trips. The interface layer will be written in Java (we'd like to use GWT), so we need a way of passing data from Oracle stored procedures to Java service side. The data can be e.g. a set of properties of a specific item or a list of items fulfilling certain criteria. Would anyone recommend a preferable way of doing this?
We're considering one of the 2 following scenarios:
passing objects and lists of objects (DB object types defined on the schema level)
passing a sys_refcursor
We verified that both approaches are "doable", the question is more about design decision, best practice, possible maintenance problems, flexibility, etc.
I'd appreciate any hints.If logic is already written in DB, and the only concern is of passing the result to java service side, and also from point of maintenance problem and flexibility i would suggest to use the sys_refcursor.
The reason if Down the line any thing changes then you only need to change the arguments of sys_refcursor in DB and as well as java side, and it is much easier and less efforts compare to using and changes required for Types and Objects on DB and java side.
The design and best practise keeps changing based on our requirement and exisiting design. But by looking at your current senario and design, i personally suggest to go with sys_refcursor.

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Hi,
I need to connect to UNIX OS from oracle stored procedure.
Curently working in Oracle9i.
I tried in google but I could'nt get any.
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Can use Java Stored Proc, or an External Proc.
Java method:
create or replace and compile Java Source named "OSCommand" as
-- java:        OS COMMAND
-- descr:       Executes an Operating System Command using the JAVA RTS
-- IN parameter:        os command to execute (including fully qualified path names)
-- OUT parameter:       returncode [\nstring]
--                      where string a max of 32000 chars of the output of the command
--                      (note that \n is used as separators in the string)
--                      returncode=-1   Java RTS error occurred (e.g. command does not exist)
--                      returncode=255 o/s command failed (e.g. invalid command params)
import java.io.*;
import java.lang.*;
public class OSCommand{
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                        int bufSize = 32000;
                        int len = 0;
                        byte buffer[] = new byte[bufSize];
                        String s = null;
                        BufferedInputStream bis = new BufferedInputStream( p.getInputStream(), bufSize );
                        len = bis.read( buffer, 0, bufSize );
                        rc = p.waitFor();
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                                s = new String( buffer, 0, len );
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show errors
create or replace function osexec( cCommand IN string ) return varchar2 is
-- function:    OS EXEC
-- descr:       Executes an Operating System Command
language        JAVA
name            'OSCommand.Run(java.lang.String) return java.lang.String';
show errors===
This can then be used from PL/SQL and even SQL. e.g.
SQL> select osexec( '/bin/date' ) from dual;
OSEXEC('/BIN/DATE')
Wed Nov 9 13:30:13 SAST 2005
SQL>Note the Java permissions required - replace FOO with the name of applicable Oracle schema
==begin
        dbms_java.grant_permission(
                'FOO',
                'SYS:java.io.FilePermission',
                '<<ALL FILES>>',
                'execute'
        dbms_java.grant_permission(
                'FOO',
                'SYS:java.lang.RuntimePermission',
                'writeFileDescriptor',
        dbms_java.grant_permission(
                'FOO',
                'SYS:java.lang.RuntimePermission',
                'readFileDescriptor',
        commit;
end;
/==
Last thing... note that opens a potential giant size security hole into the Oracle Server Platform. So implement it properly using a proper Oracle security model.

Call a Vbscript from a stored procedure

Hi,
I wonder is it possible to call a Vbscript from a stored procedure, any good reference for this.
thanks

Well here is quick and dirty example I just created.
Step 1. Create a test_batch.bat file that creates a folder "c:\test_dir" and copy "c:emp.lst" into it.
C:\oracle102\examples\test_batch.bat
md c:\test_dir
copy c:\emp.lst c:\test_dir
Step2. From SQLPLUS, spool scott.emp into c:\emp.lst and call the batch from the dbms_scheduler that kicks off right away,
set echo off
set feedback off
spool c:\emp.lst;
select * from scott.emp;
spool off;
begin
     dbms_scheduler.create_job(job_name => 'run_batch',
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Happy coding!
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Message was edited by:
Prakash Rai

Email from oracle stored procedure

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What do you mean "clicked on my link" and "login
page"? It sounds like you're describing a web based
interface, which would imply that you were using the
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(or 443 if you're using HTTPS). If you want to send
an email from Oracle, you're going to need access to
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Hi,
I am having a problem displaying arabic fields from Oracle Stored Procedure. When viewing the arabic field on the web page, i get the following:
ÙƒØÙƒØ¯ ØØ§ÙƒØ¯ ØºØ¨Ø¯ Ø§ÙÙ„Ø¨Ù Ø§ÙØ§Ø±Ø¨Ø´
I have checked with our Oracle DBAs and we seem to be using the AR8ISO8859P6 (ISO-8859-6). I tried to set the return string encoding to UTF-16 and ISO-8859-6 but still no use.
What should be done to display it?

Bashar Abdullah wrote:
Hi,
I am having a problem displaying arabic fields from Oracle Stored Procedure. When viewing the arabic field on the web page, i get the following:
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http://forums.oracle.com/forums/forum.jspa?forumID=99
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Need Example on calling a unix shell script from oracle stored procedure

Hi
Can anybody give example on how to call unix shell script from an Oracle stored procedure. Please give a small example on how to do this .I need this urgently please.
Have a nice time.
Thanks & Regards
Jogesh

If you are on 10g you can also use DBMS_SCHEDULER. See Re: Excute Unix command Using PL SQL

Calling unix shell script from oracle stored procedure.. urgent!!!!!!!!!!!!

Hi,
i havea requirement where in i should be able to call my shell script through oracle stored procedure.i tried the following way..but iam unable to get the result.please find the details below.
new.sh - my shell script - lctfile (LCTFILE) is the input pa
v_config_file=`find $FND_TOP -name LCTFILE
FNDLOAD apps/s0ccer@$dxbs1 0 Y DOWNLOAD $v_config_file /home/bir4163/RPT33/bin/menu.ldt MENU MENU_NAME='AR_NAVIGATE_GUI'
if [ $? != 0 ];then
echo "$DATE $0 FNDLOAD DOWNLOAD Failed!" | tee -a $LOG_FILE
else
echo "SUCCESS" | tee -a $LOG_FILE
fi
CREATE OR REPLACE PROCEDURE test_dbms_scheduler
AS
v_text VARCHAR2 (255) := 'AR_NAVIGATE_GUI';
BEGIN
DBMS_OUTPUT.put_line ('I am in Procedure');
DBMS_SCHEDULER.create_job (
job_name => 'test_dbms_scheduler',
job_action => '/home/bir4163/RPT33/bin/new.sh',
number_of_arguments => 1,
job_type => 'executable',
start_date => SYSDATE,
repeat_interval => 'FREQ=SECONDLY; INTERVAL=1',
enabled => FALSE,
auto_drop => FALSE,
comments => 'run shell script'
DBMS_SCHEDULER.set_job_argument_value (job_name => 'test_dbms_scheduler',
argument_position => 1,
argument_value => v_text);
DBMS_SCHEDULER.enable ('test_dbms_scheduler');
DBMS_OUTPUT.put_line ('I am back in Procedure');
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.put_line (SQLCODE || SQLERRM);
END;
But iam unable to test it as i do not have permissions to access dbms_scheduler.can anybody tell me how to solve this using DBMS_PIPE with a sample code.
please do help its very urgent
thanks
ramya

Hi,
Register your Shell Script as a concurrent program, Executable execution method "Host", then use fnd_request.submit_request to submit the program.
Regards,
Andries

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I am getting the following error when running this example. Does anyone know what did I miss.
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Sanjeev,
I don't have an answer for you, just a couple of suggestions.
1. Have you tried the Sample Code?
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like this!Good Luck,
Avi.

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while( pRecordset !=NULL ) )
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long lngRec = 0;
pRecordset = pRecordset->NextRecordset((VARIANT *)lngRec);
//Error handling and cleanup code (like closing recordset/ connection)
//etc are not shown here.</PRE>

It can be linked to internal conversion. In some case, the value of internal or extranal value is not the same.
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[email protected]
null

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Calling Java Constructor from Oracle Stored Procedure

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