Invoking PL/SQL procedure from JSP

Hi
Is there any solution, to invoke a PL/SQL procedure from JSP?

my example: PL/SQL procedure named: getsidforwinuser and the following in a JSP file
<%
try {
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection conn = DriverManager.getConnection ("jdbc:oracle:thin:@hostname:port:SID", "User", "Password");
CallableStatement FindID = conn.prepareCall("{ ? = call getsidforwinuser ( ? )}");
FindID.registerOutParameter (1, Types.INTEGER);
FindID.setString (2, DomainIntern.trim()+"\\"+Username);
UserID = ((OracleCallableStatement)FindID).getInt(1);
conn.close();
catch(SQLException e)
throw new RuntimeException("SQL Exception " + e.getMessage());
%>
<h1>User ID is:<%= UserID %></h1>

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Calling pl/sql procedure from jsp

Hi:
Could anyone tell me how to call a pl/sql procedure from a jsp page by passing args or without . Is there any specific method to use.
Thanks.

Like from any other java code
<%
Connection conn = DriverManager.getConnection(...);
CallableStatement cs = conn.prepareCall("BEGIN myprocedure(); END;");
cs.execute();
%>
With params:
<%
Connection conn = DriverManager.getConnection(...);
CallableStatement cs = conn.prepareCall("BEGIN myprocedure(?, ?); END;");
cs.setInt(1, 10);
cs.setString(2,"aaaa");
cs.execute();
%>
to return some value as out param
Connection conn = DriverManager.getConnection(...);
CallableStatement cs = conn.prepareCall("BEGIN myprocedure(?, ?, 3); END;");
cs.setInt(1, 10);
cs.setString(2,"aaaa");
cs.registerOutParameter(3, Types.VARCHAR);
cs.execute();
out.println("Returned value: " + cs.getString(3));
%>
Of course after all close statement and connection to free resources.

Calling PL/SQL stored procedure from JSP tag

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I am using Pro*C (Oracle 10g on Itanium platform) to invoke PL/SQL procedure to read RAW data from database, but always encoutered ORA-01458 error message.
Here is the snippet of Pro*C code:
typedef struct dataSegment
     unsigned short     len;
     unsigned char     data[SIZE_DATA_SEG];
} msg_data_seg;
EXEC SQL TYPE msg_data_seg IS VARRAW(SIZE_DATA_SEG);
     EXEC SQL BEGIN DECLARE SECTION;
          unsigned short qID;
          int rMode;
          unsigned long rawMsgID;
          unsigned long msgID;
          unsigned short msgType;
          unsigned short msgPriority;
          char recvTime[SIZE_TIME_STRING];
          char schedTime[SIZE_TIME_STRING];
          msg_data_seg dataSeg;
          msg_data_seg dataSeg1;
          msg_data_seg dataSeg2;
          short     indSeg;
          short     indSeg1;
          short     indSeg2;
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     qID = q_id;
     rMode = (int)mode;
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          BEGIN
               SUMsg.read_msg (:qID, :rMode, :rawMsgID, :msgID, :msgType, :msgPriority, :recvTime,
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          if (sqlca.sqlcode == ERR_QUEUE_EMPTY)          // Queue empty
               throw q_eoq ();
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          size_t msg_len;
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          msg[msg_len] = '\0';
          throw db_error (string(msg), sqlca.sqlcode);
and here is the PL/SQL which is invoked:
SUBTYPE VarChar14 IS VARCHAR2(14);
PROCEDURE read_msg (
     qID          IN     sumsg_queue_def.q_id%TYPE,
     rMode          IN     INTEGER,
     raw_msgID     OUT     sumsg_msg_data.raw_msg_id%TYPE,
     msgID          OUT sumsg_msg_data.msg_id%TYPE,
     msgType          OUT sumsg_msg_data.type%TYPE,
     msgPrior     OUT sumsg_msg_data.priority%TYPE,
     msgRecv          OUT VarChar14,
     msgSched     OUT VarChar14,
     msgData          OUT sumsg_msg_data.msg_data%TYPE,
     msgData1     OUT sumsg_msg_data.msg_data1%TYPE,
     msgData2     OUT sumsg_msg_data.msg_data2%TYPE
) IS
BEGIN
     IF rMode = 0 THEN
          SELECT raw_msg_id, msg_id, type, priority, TO_CHAR(recv_time, 'YYYYMMDDHH24MISS'),
               TO_CHAR(sched_time, 'YYYYMMDDHH24MISS'), msg_data, msg_data1, msg_data2
               INTO raw_msgID, msgID, msgType, msgPrior, msgRecv, msgSched, msgData, msgData1, msgData2
               FROM (SELECT * FROM sumsg_msg_data WHERE q_id = qID AND status = 0 ORDER BY sched_time, raw_msg_id)
               WHERE ROWNUM = 1;
     ELSIF rMode = 1 THEN
          SELECT raw_msg_id, msg_id, type, priority, TO_CHAR(recv_time, 'YYYYMMDDHH24MISS'),
               TO_CHAR(sched_time, 'YYYYMMDDHH24MISS'), msg_data, msg_data1, msg_data2
               INTO raw_msgID, msgID, msgType, msgPrior, msgRecv, msgSched, msgData, msgData1, msgData2
               FROM (SELECT * FROM sumsg_msg_data WHERE q_id = qID AND status = 0 ORDER BY recv_time, raw_msg_id)
               WHERE ROWNUM = 1;
     ELSE
          SELECT raw_msg_id, msg_id, type, priority, TO_CHAR(recv_time, 'YYYYMMDDHH24MISS'),
               TO_CHAR(sched_time, 'YYYYMMDDHH24MISS'), msg_data, msg_data1, msg_data2
               INTO raw_msgID, msgID, msgType, msgPrior, msgRecv, msgSched, msgData, msgData1, msgData2
               FROM (SELECT * FROM sumsg_msg_data WHERE q_id = qID AND status = 0 ORDER BY priority, raw_msg_id)
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     END IF;
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EXCEPTION
     WHEN NO_DATA_FOUND THEN
          raise_application_error (-20102, 'Queue empty');
END read_msg;
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I think the problem should happen between the mapping from internal datatype to external VARRAW type, but cannot understand why 4000 bytes buffer will be ok, is it related to some NLS_LANG settings, anyone can help me to resolve this problme, thanks a lot!

It seems that I found the way to avoid this error. Now each time before I read RAW(2000) data from database, i initialize the VARRAW.len first, set its value to SIZE_DATA_SEG, i.e., the outside buffer size, then the error disappear.
Oracle seems to need this information to handle its data mapping, but why output variable also needs this initialization, cannot precompiler get this from the definition of VARRAW structure?
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How to call Pl/sql procedure from form ?

Hi all,
I need to call a procedure from form after the user has pressed the button to invoke the sql procedure, can anyone please advise me on how to do it ?
Thanks.
Lim

Hi,
Thanks for your reply.
yes, I have include in when-button-pressed trigger as
AIC_PROC_AR_CCID_UPD;
Below is my procedure :-
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VAR_BUF VARCHAR2(240);
Cursor C1 is
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SEGMENT5 SEG5
FROM AIC_GL_COA AGC
WHERE AGC.CODE_COMBINATION_ID IS NULL;
Rec1 C1%RowType;
BEGIN
FOR Rec1 IN C1 LOOP
     BEGIN
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COMMIT;
RETURN;
END;
However, when I try to compile it, error prompt :-
Error 306 at line 1, column 1
wrong number or types of arguments in call to 'AIC_PROC_AR_CCID_UPD'
Error 0 at line 1, column 1
statement ignored.
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Thanks
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Lim

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Hi,
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Have a look at this example:
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try
     final CallableStatement stmt = ((DBTransaction)am.getTransaction()).
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ORA-06550: line 115, column 32:
PLS-00112: end-of-line in quoted identifier
ORA-06550: line 115, column 9:
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Matt

You have to create a job to start your procedure.
Example :
* http://psoug.org/reference/OLD/dbms_job.html
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Hello,
Good catch, but the difference in URL is in fact the difference in my env to theirs. My typo in not correcting my example to match the dads.conf entry of /pls/apexd. My env uses /apex/. Just saves on my typing.
As an update, I asked the DBA to double-check, and yes, the www_flow_epg_include_mod_local function IS there.
www_flow_epg_include_mod_local is an APEX function.
So now we are trying adding procedures to it. I'll let you know if it works.
My previous question remains - why would I need to do this in one env, and not another,
given that the DB GRANTs are there.
Is there a particular app server setting that wil block execution of PL/SL procedures from the URL?
My guess is, there is some difference in configuration settings for the app server, somewhere in the httpd.conf chain.
Since I do not have access to those files, I cannot do a diff myself, as I would have if I the issue was on my machine.
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Invoking PL/SQL procedure from JSP

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