JDBC Update Exception - Too Few Parameters
Jul 22, 2014
So, first i search the id from table and all the fields are filled as in the screenshot. then i modify in the text boxes and click on button modify but exception comes-too few parameters. expected 6.
here is the code:
try
{
JOptionPane.showMessageDialog(null,"Record succefully modified!
ID is "+id.getText()+" Password is "+lname.getText());
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=DriverManager.getConnection("Jdbc:Odbc:Employe eDB");
String str0=id.getText();
[Code] ....
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May 1, 2015
Suppose I issue a command such as "ALTER SESSION SET WORKAREA_SIZE_POLICY=MANUAL" inside a stored procedure called via JDBC and then release the connection back to the pool. When the connection is next reused by a completely independant Weblogic thread is there any chance that the non-default setting could be inherited by the new thread?
I realize that there is a conceptual difference between a process, a connection, and a session so theoretically the answer to my question should be "no."
But is that the case in real life?
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Mar 19, 2014
i have a page where username is displayed...i want to uodate my table based on the page value i. e username..how can this be done
String sql;
sql = "UPDATE test SET username=? WHERE password=?";
PreparedStatement statement = conn.prepareStatement(sql);
statement.setString(1, "jumbomail@com");
statement.setString(2, "password");
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May 17, 2014
calling a parameterized stored procedure in java jdbc from sql server.The stored procedure goes like this in sql
create proc patientreg
@id int
as
begin
select [patient_id],[Psurname], [pFirstname], [pMiddlename], [reg_date], [DOB], [Sex], [Phone_num], [Addr],[Email],[dbo].[fncomputeage](DOB) from [dbo].[Patient_registration] where [patient_id] = @id
end
please note dbo.fncompute(DOB) is a function
To call it in jdbc it goes like this
try{
String str = "{call patientreg(?)}";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbcdbc:GeneralHospit al");
cstmt = con.prepareCall(str);
cstmt.setInt(1, Integer.parseInt(t.getText()));
[code]....
after doing it this way it throwing an exception: Error:java.sql.SQLException: Parameter 1 is not an OUTPUT parameter.
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Feb 9, 2015
I am trying to create an array list without using the built in arrayList class that java has. I need to start the array being empty with a length of 5. I then add objects to the array. I want to check if the array is full and if not add a value to the next empty space. Once the array is full I then need to create a second array that starts empty and with the length of the first array + 1.
The contents of the first array are then copied into the new array without using the built in copy classes java has and then the new array ends up containing 5 elements and one null space the first time round. The first array is then overwritten with the new array containing the 5 elements and the null space. The process then starts again adding values until the array is full which will be 1 more value then recreating the second array empty and the length of the first array + 1. This is my attempt at creating this but I have run into multiple problems where I get only the last value I added and the rest of the values are null:
public class MyArrayList {
public Object arrayList[];
public MyArrayList(Object[] arrayList) {
this.arrayList = arrayList;
[code]...
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May 14, 2014
I have a strange behaviour when trying to update a bean. Here is the edit page:
<h3>Edit Post</h3>
<div class="row">
<h:form>
<div class="small-3 columns">
<label for="right-label" class="right inline">Title</label>
[Code] ....
Here is the bean class:
package com.airial.controllers;
import com.airial.domain.Post;
import com.airial.service.PostService;
import com.ocpsoft.pretty.faces.annotation.URLMapping;
import com.ocpsoft.pretty.faces.annotation.URLMappings;
import org.springframework.beans.factory.annotation.Autowired;
[code]...
postToUpdatet is always NULL. Why the title property is not binded ? What is wrong here ?
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Jan 24, 2014
I was giving a quick skim to some tutorials on the internet where I have found the exception that is handled is also declared in the throws clause of the method wrapping the try-catch block. For a code representation consider the following:
public void methodName() throws IOException {
try {
...
} catch (IOException ex) {
.... TODO handle exception
}
}
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Sep 29, 2014
Right, so I got this program. It takes input from the user and assigns it to fields on an object. But, it's meant to check the users input. If the user enters bad input, it's supposed to throw this exception. For each of these exceptions, theres a class specifically for it.
public class PayrollDemo
{
public static void main(String[] args)
{
Payroll pr = new Payroll ("Test Name", 234);
System.out.println("Current Employee Information.
");
System.out.println("Name: " + pr.getName());
System.out.println("ID: " + pr.getID());
System.out.println("Hourly Pay Rate: " + pr.getHourlyPayRate());
[Code] ....
And this is the exception class.
public class InvalidNameException extends Exception
{
/**
No-arg constructor
*/
public InvalidNameException()
{
super("Invalid name");
}
}
PayrollDemo.java:43: error: cannot find symbol
InvalidNameException.InvalidNameException();
^
symbol: method InvalidNameException()
location: class InvalidNameException
1 error
It's just meant to tell the user that they entered an invalid value, which would mean if they entered an empty string instead of a name.
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Aug 7, 2014
public class StudentJDBCTemplate implements StudentDao
above class giving error as
The type StudentJDBCTemplate must implement the inherited abstract method
StudentDao.listStudents()
Interface is as below
import java.util.List;
import javax.sql.DataSource;
public interface StudentDao {
public void setDataSource(DataSource ds);
public void Create(String Name,Integer age);
public void getStudent(Integer id);
public List<Student>listStudents();
public void delete(Integer id);
public void update(Integer id,Integer age);
}
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Aug 9, 2014
I'm trying to understand the relationship between JAAS and JDBC..In WebSphere, when setting up a Dynamic cluster I have to first define the JAAS..Then, the datasource..The JAAS has one account/password and the datasource another..I'm not getting the relationship between needing both JAAS and JDBC docs.oracle.com/cd/E19225-01/820-5594/ahteo/index.html
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Nov 25, 2014
I wish to retrieve just one value from db;
so I use this code:
@Transactional
public long getSequenceSedeB(Long id) {
BigDecimal seqValue = nu
String sql = "SELECT MAX(ID) FROM SEDE_B_ALLEGATI_A WHERE ID_SEDE=:id";
SQLQuery query = getSession().createSQLQuery(sql);
[Code] ....
But it do not works; this is the log.
type.NullableType (NullableType.java:182) - could not read column value from result set: ID; Invalid column name
2014-11-25 14:45:14,476 WARN [btpool0-2] util.JDBCExceptionReporter (JDBCExceptionReporter.java:77) - SQL Error: 17006, SQLState: null
2014-11-25 14:45:14,478 ERROR [btpool0-2] util.JDBCExceptionReporter (JDBCExceptionReporter.java:78) - Invalid column name
But in the database the query
SELECT MAX(ID) FROM SEDE_B_ALLEGATI_A WHERE ID_SEDE=:id
run correctly;
Also I need to rewrite the statement
query.setParameter("id", 923);
in this way
query.setParameter("id", AAA);
where AAA is gotten from out of the procedure;
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Aug 25, 2014
i would like from my bean to redirect after an operation is completed to the page faces/test.xhtml?id=2? Is there a way to do this?
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Feb 26, 2015
I'm having problem with my code when it comes to Restore Database in Java. This is my code:
public boolean restoreDB(String dbUserName, String dbPassword, String source) {
String[] executeCmd = new String[]{"C:Program Files (x86)MySQLMySQL Server 5.1inmysqldump ", "--user=" + "root", "--password=" + "1234" + source};
Process runtimeProcess;
try {
runtimeProcess = Runtime.getRuntime().exec(executeCmd);
int processComplete = runtimeProcess.waitFor();
[Code] ....
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Oct 4, 2013
To insert 500 records into oracle my code is taking more than 1 minute.
I am using the below:
1) dbcp connection pool
2) Jdbc, autocommit off
3) preparestatment
4) batchupdate
5) deployed in fuse servicemix
Important thing : Table doesnot have index.
How to improve the performance. Below is the code snippet..
// Added for Transaction
conn.setAutoCommit(false);
conn.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
PreparedStatement dataStmt= null;
dataStmt= conn.prepareStatement("insert statement");
for (Value value : valueList){
[Code] .....
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Mar 27, 2015
I have a batch process which does Bulk UPDATE statement.
After implementing batch support using Spring JDBC 4.1.6 and Oracle Jdbc Driver (ojdbc7 and ucp), the number of records affected for individual update requests (in the batch) are always retrieved as -2 (Statement.SUCCESS_NO_INFO).
Is there any way to know the rows affected for individual cases, as I have to retry the same argument with an INSERT statement after this. Technically trying to develop this as an UPSERT implementation
I tried this batch update in Three Different Ways, and in all three methods the results are same -- (It just tells me Statement.SUCCESS_NO_INFO (-2) )
Method 1 -- Direct UCP Connection and PreparedStatement
connectionPoolMgr.startConnectionPool("mgr_pool");
Connection connection = pds.getConnection();
PreparedStatement pstmt = connection.prepareStatement(dmlSQL);
pstmt.setInt(1, pkId);
pstmt.setInt(2, idx * 10);
pstmt.addBatch();
[Code] .....
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Jun 25, 2015
What I have in my tnsnames.ora and verify it all works via sqlplus
CDB1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 0.0.0.0)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = cdb1)
[Code] ....
I am trying to get RJDBC to work so I can connect to Oracle from R doing some data analysis..
This connection string works for my local db which I have it running in my Virtual Box
con <- dbConnect(drv, "jdbc:oracle:thin:@//localhost:1521/orcl", "demo", "demo")
However, it does not work when I do it for the remote db that I really need to pull data from...
> con <- dbConnect(drv, "jdbc:oracle:thin:@//ymsdbppr-scan:1522/YMQCTPRD", "user_read", "user_read")
Error in .jcall(drv@jdrv, "Ljava/sql/Connection;", "connect", as.character(url)[1], :
java.sql.SQLException: Listener refused the connection with the following error:
ORA-12514, TNS: listener does not currently know of service requested in connect descriptor
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Feb 29, 2012
I am using a static initialization block to register the driver and a static synchronized method to get a connection. The problem is I need to run 15 threads but always only two threads get the connection. I want to know if there is a default maximum number of concurrent connections a DriverManager can provide or is it my threading logic that may be faulty.
CODE:
static {
try {
Class jdbcDriverClass = Class.forName( JDBC_DRIVER );
driver = (Driver) jdbcDriverClass.newInstance();
DriverManager.registerDriver( driver );
[Code] ....
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Feb 23, 2015
Trying to bind the value Double.POSITIVE_INFINITY in a prepared statement causes an IllegalArgumentException using ojdbc6 11.2.0.4.0 but it works fine in version 11.2.0.3.0:
Exception in thread "main" java.lang.IllegalArgumentException: Overflow
at oracle.jdbc.driver.OraclePreparedStatement.setDoubleInternal(OraclePreparedStatement.java:7605)
at oracle.jdbc.driver.OraclePreparedStatement.setDouble(OraclePreparedStatement.java:7513)
at
[Code]....
The database used is 'Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production'. I don't see any mention regarding changes to this in the 11.2.0.4.0 change log. Is this a bug in the driver or is there some other explanation?
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Apr 24, 2014
I created a database in mysql, but I have problems communicating with the DB in java.
Here is the error :
java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/books
at java.sql.DriverManager.getConnection(DriverManager.java:604)
at java.sql.DriverManager.getConnection(DriverManager.java:221)
at displayauthors.DisplayAuthors.main(DisplayAuthors.java:30)
java.lang.NullPointerException
[Code] ....
HERE IS THE CODE
public class DisplayAuthors {
// database URL
static final String DATABASE_URL = "jdbc:mysql://localhost:3306/books";
// launch the application
public static void main( String args[] )
[Code] ....
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Aug 2, 2014
So I created this line class and when I try to create Line object with parameters, I don't know how to pass the parameters properly. It has to return two points, so it should be like [(1,2),(5,12)].I tried different things likeLine l1=new Line(Point p1(1,2),Point p2(5,12)); and similar, but nothing worked.
package line;
import java.awt.Point;
public class Line {
private Point p1;
private Point p2;
[code]...
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Jan 31, 2015
public class TestClass {
public TestClass(String k){System.out.println(k);}
public static void main(String[] args) {
try {
hello();
}
catch(Exception e){System.out.println(e);}
[Code] ....
Explain how to catch block act as constructor with parameter?
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Mar 1, 2015
I have this JAVA written but I can't get the parameters for the if statements right.
import java.util.Scanner;
public class myFirstJAVA {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Please enter command: ");
String text = input.nextLine();
[Code] ....
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Sep 29, 2014
I have a requirement to insert the data into xml file . I have used DOM class for doing this. Below is my xml file
<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<deployments>
<applications>
<application>
<name> PCMH</name>
[Code] ....
The thing is if SITA is the name then I have to insert component to the particular envi tabs , if DEVB is the component I have to insert the component there. How can I do this I have done some code its inserting the data at the bottom og the XML .
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Mar 18, 2015
I have arraylist which is already set in controller side.
I need to update the same list(removing few elements in the list) in jsp based on few conditions like, the selected values in dropdown kind off.
How to update the list in jsp?. Is there any way to handle this using JSTL?.
Instead of using scriptlets, can i do this?
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Aug 21, 2014
I have failed with all possibilities that I know to make this program success. Getting error as :
java.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
Program goes like this.
import java.sql.*;
public class ExcelConnection {
public static void main (String[] args){
try {
Connection conn = getConnection("TEST.xls");
Statement stmt = conn.createStatement();
[Code] ....
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Mar 13, 2015
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