JDeveloper, Java & XML :: Calling Java Stored Procedure From Oracle
Jun 20, 2011
I am writing a java stored procedure in my package. In the java procedure I want to issue a query to be fired on the user table from which I am calling the java procedure.
Some thing like following:
I am logged in to USER1 and my package is inside USER1. From this package I am calling the Java Stored Procedure. In java procedure I want to make a jdbc connection to USER2. The details of USER2(password, hostname,portno) are stored in a table called 'connection_details' and this table is in the USER1.
My problem is how can I issue the
SELECT details FROM CONNECTION_DETAILS for USER2
so that i can get the details..?
Do i need to first make jdbc connection to USER1 and then execute the above query for which i need similar details of USER1. How can i obtain the details of USER1 here.
I am thinking if I am already in USER1 then do I need to make the jdbc connection to USER1 and then execute the query?
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May 22, 2012
I am trying to invoke program from my local Windows machine (exactly java executor, which is in my environment on c:javajdkinjava) using database package with Java stored procedure.
Everything is fired by SQLPLUS script, this script invokes package with Java stored procedure (jar loaded into Oracle) and that procedure is trying to invoke runtime process (syntax:
c:javajdkinjava -cp
and here ara my classes and main jar) using my local java executor. I added all permissions using dbms_java.grant_permisions (execution forced me to give permissions java.io.FilePermission to <<ALL_FILES>> for execute), moreover I added to my database user JAVASYSPRIV and JAVAUSERPRIV role. Unfortunately, beside this I am still getting error:
C:javajdkinjava not found (Note that lookup with PATH isn't done due to the oracle executable being setuid.)
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Apr 26, 2013
I am trying to execute an xslt (for XML transformation) using xmltype.transform function.
I can't paste XSLT code here, but below is similar what I am doing.
[URL]
I have used a reference of random() method of java.lang.Math in xslt file, and it's giving me below error.
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00607: Invalid reference: 'random'.
I doubt, it's because of "Math" class, which is not present in Oracle, how to load standard java classes.
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Jul 30, 2012
Which is the best driver for java to Oracle database connection ?
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Feb 4, 2005
Here is a problem. I have to pass an array e.g ('Account','Marketing',Computer' ) from java to Oracle 9i.
Would I be able to do in Oracle, if yes then how ?
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Aug 26, 2011
we can you java code natively with Oracle. But I didn't get how to decide when to use native java in oracle and when to use pl/sql.
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Nov 26, 2012
I Program with Java . when we connect oracle by program ,
Get the following error :
'No suitable driver found for jdbc:orcl:thin:@localhost:1521 '
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Oct 20, 2011
I'm trying to call a Java function from within a PL/SQL aggregation function with a (array of) complex data type.
a) basic definitions (work and are ok)
CREATE OR REPLACE TYPE eventtype AS OBJECT
(
relevance NUMBER,
bid1 NUMBER,tid1 NUMBER,prob1 NUMBER,
bid2 NUMBER,tid2 NUMBER,prob2 NUMBER,
bid3 NUMBER,tid3 NUMBER,prob3 NUMBER,
bid4 NUMBER,tid4 NUMBER,prob4 NUMBER,
bid5 NUMBER,tid5 NUMBER,prob5 NUMBER,
bid6 NUMBER,tid6 NUMBER,prob6 NUMBER
);
CREATE OR REPLACE TYPE eventtuple IS TABLE OF eventtype;
/
b) The following call works (but is not exactly that what I want):
public class pcompDP {
public static NUMBER probComputation(oracle.sql.STRUCT pin) throws java.sql.SQLException {
...
}
}
create or replace FUNCTION pcompDPFunc(cin IN eventtype) RETURN NUMBER PARALLEL_ENABLE DETERMINISTIC AS LANGUAGE JAVA NAME 'pcompDP.probComputation(oracle.sql.STRUCT) return BigDecimal';
/
SELECT pcompDPFunc(eventtype(5, 6, 0.3, 10, 20, 0.45, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) from dual;
c) The following call doesn't work (but should have the intended semantics):
public class pcompDP {
public static NUMBER probComputation(oracle.sql.STRUCT[] pin) throws java.sql.SQLException {
...
}
}
create or replace FUNCTION pcompDPFunc(cin IN eventtype) RETURN NUMBER PARALLEL_ENABLE DETERMINISTIC AS LANGUAGE JAVA NAME 'pcompDP.probComputation(oracle.sql.STRUCT[]) return BigDecimal';
/
SELECT pcompDPFunc(eventtuple(eventtype(2, 3, 0.234, 1, 1, 0.123, 0, 0, 0, 0, 0, 0, 0, 0, 0), eventtype(5, 6, 0.3, 10, 20, 0.45, 0, 0, 0, 0, 0, 0, 0, 0, 0))) from dual;
d) What's the error? Do I have to use JPublisher or is it possible without it? I guess an array should be possible without it.
The type of the parameter seems to be wrong. Question is whether in PL/SQL, Java or SQL.
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Jul 14, 2011
I was getting java.sql.SQLException: executeBatch, Exception = 1when i tried to use executeBatch().could not understand why i am getting it.
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Dec 21, 2011
I've this java source create or replace and compile java source named "Decodificador" as
public class Decodificador {
public static String decodifica(String codigo)
return codigo;
and this function
create or replace function F_Decodificador(codigo varchar2) RETURN VARCHAR2 IS
LANGUAGE java NAME 'Decodificador.decodifica(String) return String';
when I execute the function the result is:
ORA-29531: no method decodifica in class Decodificador
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Sep 28, 2011
In my application, we are getting the following exception on calling the Java procedure.
java.sql.SQLException: ORA-29532: Java call terminated by uncaught Java exception: java.lang.OutOfMemoryError
ORA-04030: out of process memory when trying to allocate 10804020 bytes (joxp heap,f:OldSpace)
[Code].....
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Feb 10, 2011
I need to call DB function through Java Hibernate.
My Sample XML File looks like.
---------------------------------------------------------------
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<sql-query name="getchequeno" callable="true">
?:=call cz_nab_mw_fn_gen_ol_chq_no()
</sql-query>
</hibernate-mapping>
---------------------------------------------------------------
I am getting below error while reading the file
"java.lang.RuntimeException: org.hibernate.HibernateException: Errors in named queries: getchequeno"
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May 20, 2013
i`m trying to use pl/sql function to execute java class. I created 2 tables with around 100 values and java class with simple functionality. I need to create function to loop through my table1 and get with each iteration one value from table and pass that value as parameter to java class.
table1 is something like this:
ID NAME
1 name1
2 name2
3 name3
. .
. .
100 name100
table2 is empty with same columns as table1 ( table2 is for data obtained from java returns ) I created in sql+ java class.
CREATE OR REPLACE AND RESOLVE JAVA SOURCE NAMED "myClass" AS
import java.io.*;
import java.util.*
public class myClass {
public static String fun(String strName)
[code]....
Then i wanna make a pl/sql function for:
1)For i = 1 Obtain first value from table1 (column name) and pass it throught java class then return value and save it in table2 with the same id as id from table1
2) change i=1 to i=2 and do that same
3) end if i=101
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Mar 12, 2010
I've written a Java stored procedure that deletes some provided file. The PL/SQL procedure looks like :
procedure delete (file in varchar);
The procedure does the work correctly when the provided file name exists on the DB server, but doesn't when the file is ou of the DB server.
Is there a way to resolve this ?
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Apr 13, 2012
I am using an oracle 11g database. I have an XML document named test_table.xml stored in table TEST_CLOB, Ex: TEST_CLOB(ID NUMBER, XML_DOC CLOB)
Here are the contents of test_table.xml file.
<xml version = "1.0"" ?>
<! DOCTYPE main [
<! Element main (DATA_RECORD*) >
<! COLUMN1?, COLUMN2?, COLUMN3, COLUMN4?, COLUMN5, COLUMN6?, GEOM?) +>
<! ELEEMENT COLUMN1 (#PCDATA)>
<! ELEEMENT COLUMN2 (#PCDATA)>
[code]....
I need a database procedure where I will pass in COLUMN1, COLUMN2 AND COLUMN3 values and it should return all the columns from the xml document. ie. ex: below is what I would like to query
select column1, column2, column3 column4 column5, column 6
from the TEST_TABLE.XML ---- XML DOCUMENT FILE NAME
WHERE column1 = 'ARENAS'
AND column2 = 'NBA'
AND column 3 = 'UNITED CENTER';
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May 25, 2011
In my pl/sql procedure I'm calling a webservice and it is returning me a varchar2 which contains xml tags.I want to pull values for each element. any one can provide me procedure/function to pull data from it.Below is the output from webservice.
<ResponseEnvelope xmlns:xsd="URL....xmlns="URL....> <ResponseHeader xmlns="URL......
[code]....
ResponseId, MessageVersion etc are element name. the value between element names are to be retrived.
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Aug 21, 2012
We have a stored procedure named proc_java_test . From this stored proc, we need to call a java class named java_test.java
This class posts messages to a queue hosted on an app server running on a separate box.
create or replace
PROCEDURE PROC_JAVA_TEST
(
num IN NUMBER
)
AS LANGUAGE JAVA
NAME 'java_test.post(int) ';
Is it mandatory to place java files in oracle_home/bin ? I tried placing the file on some other location and then calling it from stored proc. It did not work. Can we point oracle to read java file from location other than oracle_home/bin?
Oracle version used: 11.2.0.2r3
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Jul 11, 2013
My colleague created java utility to upload file to ftp server and sent me the URL to call the utility.
Now I want to create a push button in my oracle form to call that utility.
how can I do that in forms 10g.
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Jul 22, 2011
whether JAVA grants are needed for JAVA services in Oracle and what are those grants ?
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Jun 24, 2011
How to revert the following so that the output should be '<testPrice>1000</testPrice>'.
select htf.escape_sc('<testPrice>1000</testPrice>') from dual;
<testPrice>1000</testPrice>
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Dec 20, 2011
I want to connect oracle with oci from netbeans and write this code
import java.sql.*;
class OraOci {
public static void main (String args []) throws SQLException
{
try {
Class.forName ("oracle.jdbc.driver.OracleDriver");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
[code].....
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Apr 24, 2013
I have the following tables & data ..
create table identity (IDENTITY_ID varchar2(100));
Insert into identity values ('100');
Insert into identity values ('101');
create table CM_ENCOUNTER (IDENTITY_ID varchar2(100), CSN varchar2(100));
Insert into CM_ENCOUNTER values ('100','3a1');
Insert into CM_ENCOUNTER values ('101','1a2');
create table CM_PATIENT (IDENTITY_ID varchar2(100), GENDER varchar2(100), race varchar2(100));
Insert into CM_PATIENT values ('100','F','AA');
Insert into CM_PATIENT values ('101','M','HA');
Insert into CM_PATIENT values ('101','F','EA');
create table CM_ENCOUNTER_RFV
(IDENTITY_ID varchar2(100), CSN_ID varchar2(100), LINE varchar2(100), ENC_REASON_NAME varchar2(100));
Insert into CM_ENCOUNTER_RFV values ('100','23vx','2', 'phone');
commmit;
The output needed is :
<EvaluatePatient>
<PatientInformation>
<Patient>
<mrn>100</mrn>
<CSN>3a1</CSN>
[code]......
Based on the above, I created a table (which is of xml) ...
Create table temp_xml
as
Select XMLELEMENT("PatientInformation",(XMLELEMENT("Patient",
XMLELEMENT("mrn", s.identity_id),
XMLELEMENT("CSN", m.csn),
XMLELEMENT("Gender", p.gender),
[code]........
Now, I need to write each record into xml file. So, I used the below to write into file..but it gives me an error...wrong number of arguments to utl_file at line 14.
DECLARE
CURSOR c_data IS
SELECT * from temp_xml;
v_file UTL_FILE.FILE_TYPE;
BEGIN
[code]..........
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Jun 18, 2013
We have a daily batch job executing a oracle-plsql function. Actually the quartz scheduler invokes a java program which makes a call to the oracle-plsql function. This oracle plsql function deletes data (which is more than 6 months) from 4 tables and then commits the transaction.
This batch job was running successfully in the test environment but started failing when new data was dumped to the tables which happened 2 weeks ago (The code is supposed to go into production this week). Earlier the number of rows in each table was not more than 0.1 million. But now it is 1 million in 3 tables and 2.4 million in the other table.
After running for 3 hours, we are getting a error in java (written in the log file) "...Connection reset; nested exception is java.sql.SQLException: Io exception: Connection reset....". When the row-counts on the tables were checked, it was clear that no record was deleted from any of the tables.
Is it possible in oracle database, for the plsql procedure/function to be automatically terminated/killed when the connection is timed out and the invoking session is no longer active?
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Feb 12, 2011
I want to use JSF framework and use AJAX to customize Oracle iStore R12 JSP pages.
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Jun 10, 2013
I have a database in my Windows 2003 server and oracle 9i installed on it working find. we are using our client pc on the network to access the database on the server through our application program which is build under java swing.I want to create a client application which will use the browser to access the database only for generating reports.
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Jun 10, 2012
<RCA>
<SUB_PROBLEM_TYPE>
Bla bla bla...............
</SUB_PROBLEM_TYPE>
[Code]....
I wish to generate in my html form like..
PREVENTION: bla bla bla....
Is there any simple way to query out ?
I try
"SELECT T1.root_cause_analysis.query('/RCA/PREVENTION') as RCAXML from Submission_Record.............."
set rx=server.createobject("adodb.recordset")
rx.open sqlxmltest,con,1,3
while not rx.eof
<table>
<tr>
<td ><% response.write rx("RCAXML")%></td>
</tr>
</table>
BUT IT GIVE ME AN ERROR... [ORA-22806: not an object or REF]
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Dec 5, 2012
My company has a "generic information management platform" based on Oracle,
including:
Oracle Identity Manager 10g
Lotus
Oracle Internat Directory 10g
Oracle Portal 10g
Oracle E-Business Employee
Oracle E-Business User Management
Microsoft Active Directory
Mail System
Oracle Database
All above these systems constitute the generic information management platform.
---------------------------------------------------------------------------------------
There are 60,000 user records in the Oracle Database, lots of user records are duplicate, invalid and redundant. We want delete them by Oracle Identity Manager. But Oracle Identity Manager has no bulk deletion of users function!!!
So, we want customized development this generic information management platform, specifically customized development Oracle Identity Manager 10g's administrator interface.
We want add a JSP page, use this JSP page to bulk delete users. (user number > 60,000)
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What's should we do? We can't directly manipulate the database to delete the users, all users are associated by API and exist in many systems.
----------------------------------------------------------------------------------------
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Feb 24, 2013
how could we kill oracle database session from javascript/java application.
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May 16, 2011
what is the reason for filling the folder "Oracle Jar Cache" with some files? Why should we clear the cache ? My clients are also facing same issue. When they use the application continuously(in forms9i) after some time, application getting hanged. When we follow these steps its working fine:
- close all IE
- and clear the cache ,
- then re-start machine
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May 2, 2011
We are in process of Migrating our database from Oracle 9i to Oracle 10g.
I am getting below error while parsing XML in 10g.
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00601: Invalid token in: '//soap:Envelope/soap:Header/coHeader/company/text()'
Same code works fine in Oracle 9i database with same XML. Is there any difference in XML TYPE functionality in Oracle 9i and 10g?
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