error 1 « Connection « Java Database Q&A

1. java.sql.SQLException: Error in allocating a connection. Cause: In-use connections equal max-pool-size and expired max-wait-time. Cannot allocate mor...

Encountering this error with our J2EE application. How to know how much connection the application is currently using and what should be the optimal connection pool settings for a heavily traffic ...

2. Data type not found error in JDBC connection in java?

I am using Microsoft Access database for storing data. In that, I stored date as "DATE/TIME" data type. While getting date from the following code it produces error.. ...

3. Wicket: Where to handle JDBC connection error

I have a Spring based Wicket app.
There's a pooled datasource bean.
Now, when MySQL is dead, I get a default Wicket error page with a stacktrace. I'd like to handle this situation and ...

4. Error Getting JDBC Connection

im having problem getting a JDBC connection from a EJB SessionBean.The error which is being throwing is: org.jboss.util.NestedSQLException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: ...

5. iam new finding an these errors in my java when trying to compile it

package CollegeLibrary;

import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionListener;
import java.beans.Statement;
import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;

public class NotRegistered extends Frame implements ActionListener{

    Label _lblFname=new Label("First Name");
    Label _lblLname=new Label("Last Name");

6. Java mainframe communication via JCA error - connection is not in transaction

I'm connecting to a mainframe environment from Java using comporsys JCA connector. The java application is deployed in JBOSS. The connector configured in that way:


7. Error while connecting to ODBC Database

java.sql.SQLException: [Microsoft][ODBC Driver Manager] Invalid string or buffer length 
I got this error while connecting my JSP/servlet page with SQL Server 2008r2 and I am using Eclipse-Helios. The OS is ...

8. error in connecting database

 * To change this template, choose Tools | Templates
 * and open the template in the editor.

package jjavadb;
import java.awt.Container;
import java.sql.DriverManager;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import ...

9. JDBC check if a connection can warantee it will commit without errors

Is there a way of checking if a connection will commit without throwing an exception? I know deferrable foreign key constraints are only enforced at transaction commit. Does the JDBC (java 6) API ...

10. java.sql.SQLRecoverableException: IO Error: Got minus one from a read call

java.sql.SQLRecoverableException: IO Error: Got minus one from a read call
    at oracle.jdbc.driver.T4CConnection.logon(
    at oracle.jdbc.driver.PhysicalConnection.<init>(
    at oracle.jdbc.driver.T4CConnection.<init>(
    at oracle.jdbc.driver.T4CDriverExtension.getConnection(

11. Database connection error

I am getting the below error while making JDBC calls to the database. I am using -

  • Microsoft SQL Server 2005
  • Weblogic 10
java.sql.SQLException: [SQLState=null][ErrorCode=0]Unexpected exception while enlisting XAConnection ...

12. Io exception: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=168821248)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4)))) error

Yesterday i was using oracle 9.1 with ojdbc 14 jdbc driver with following code for adding employee, it was working fine but now i am using oracle with ojdbc14 but ...

13. Error Connecting to Database (Dekstop Application)

Hi, i have a problem connecting my created database application (following the create custom database application tutorial in NetBeans) Using PostgreSQL. I can connect i'm my own computer but when i'm ...

14. Database connection error

Hi, I'm not sure about all this... I use Services > Databases to connect to external MySQL server on webhosting but it most likely keeps (matter of seconds/a few minutes) disconnecting ...

15. JDBC Connection Pooling error

public dataAccess() { ...

16. geting Error in JDBC Connection Configuration

Hi My data base is Orcle 10g installed in a Linux system(redhat 32 bit OS). I am trying to connect to my data base from "JDBC Connection Configuration" config element. The configuration what I have done is mentioned bellow: Name: JDBC Connection Configuration Variable Name: my db pool Max number of connections: 10 Pool time out: 10000 Ideal clean up interval: ...

17. JDBC connection Error

18. JDBC issue getting error message Ping of connection failed. java.sql.SQLException: ORA-00923: FROM keyword not found where expected

This post has NOT been accepted by the mailing list yet. Hello, Case is : Upload and then download a document. And verify upload and download using query in DB. I am able to connect DB using JDBC connection configuration. I am able to successfully able to upload a document and when downloading the document I get message as "Response too ...

19. Error when i connect to sql

20. Error connecting to Db (urgent......)

21. ARRRGHH DB2-WebSphere AppServer JDBC connection Error on AIX

A few things, in the "/home/db2inst1/sqllib/java12" directory is there a file called "inuse"? Also, make sure that the file is in the directory, when you run "usejdbc2" some files including get decompressed from a file and then are transferred to the (most probably, I am a Windows user) "/home/db2inst1/sqllib/java" directory. So while I am confident you know what you ...

22. Error : Connection reset by peer

Hi all, I am trying to insert an byte array into the blob field of an ORDBMS. While I am trying to insert it, I get an "Connection reset by peer" error in the IE browser, while in the appletviewer, I am getting "IOException:Broken pipe". Do this error has to do anything with the Security Problems of the applet. I have ...

23. Error in Connection

24. Possible JDBC Connection ERROR

No...not going through firewall but have discovered that since I am opening a socket connection to the port (in this case port 4005) which is where the Sybase Database connector is listening, it appears that this error message is being thrown due to not passing the correct information. Some background on what I am doing. Basically, I want to check specific ...

25. error for connection jdbc

i have already complied one example code succesfully, but when i run it ,there is error message Registry key 'Software\JavaSoft\Java Runtime Environment\CurrentVersion' has value '1.1', but '1.4' is required. Error: could not find java.dll Error: could not find Java 2 Runtime Environment. i use Oracle8i Personal Edition Release - Production With the Java option i use j2sdk1.4.0 window98 how can ...

27. Very odd connection error

When I run a program that connects to a DB2 backend on it's own, it connects with no problems. When I use the class from another program (the calling class is running inside a jar file) it produces this error. All the properties are the same: [IBM][JDBC Driver] CLI0600E Invalid connection handle or connection is closed. SQLSTATE=S1000 at at ...

28. Connection through bean error

Sorry for cross posting but no one seems to be able to help, and I think this might be more appropriate here (as opposed to the jsp board) I have a java bean that is accessing a teradata database. The get methods open up a connection, perform a select statement, format the result set, and return a string representing a list ...

29. Jdeveloper connection error

30. Connection Pooling Error

Hi , Oracle version 9i weblogic 6.1 I created a connection pool in weblogic 6.1 using the following parameters: url --- jdbc: oracle:thin:@oraclemachineip ortNumber atabaseName Oracle driver class name --- oracle.jdbc.OracleDriver properties --- user=system password=manager When i assign the target server its automatic add dll files and protocol properties. dll=ocijdbc8 protocol=thin I installed oracle 9i client its dll located c:\oracle\ora90\bin but ...

31. error with database connection

Looking at your code, it will still try to get a connection to the database even if the driver does not load. Is the Driver loading? ie is the Class.forName() line throwing an exception? I know nothing about the ingres URL, but that looks like something to double check too. Sometimes it's worthwhile trying to make a connection in a stand ...

32. Databse Connection Error

34. jdbc connection error!!!!

35. Connection.prepareStatement is throwing "General Error Exception"

" java.sql.SQLException: General error " is occuring on the following code. Please explain why and does it mean. I am using Microsoft Access 97 I am creating the table using the following method. // I am creating the table using the following method. public void createTable () { Connection fConn= ConnForCont1.getInstance ().getConnection (); Statement stat= null; String SQL= null; SQL= "CREATE ...

36. Connection reset by peer error

hi: I am using Tomcat and SQL2k. I have a simple app. that does a simple database query. If I left my browser running for long time, then try to access the app., I got this error: [Microsoft][SQLServer 2000 Driver for JDBC]Connectin reset by peer:socket write error. If i open a new browser window, I got the same error. It goes ...

37. jTDS Driver is giving error when connecting to SQL 2000

Hi, I am trying to use jTDS driver 0.9rc1 to connect to SQL 2000 and I am keep getting following error... java.sql.SQLException: Cannot open database requested in login 'testdb'. Login fails. at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic( at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken( at net.sourceforge.jtds.jdbc.TdsCore.nextToken( at net.sourceforge.jtds.jdbc.TdsCore.login( at net.sourceforge.jtds.jdbc.ConnectionJDBC2.( at net.sourceforge.jtds.jdbc.ConnectionJDBC3.( at net.sourceforge.jtds.jdbc.Driver.connect( at java.sql.DriverManager.getConnection( at java.sql.DriverManager.getConnection( at SQLTest.main( for the code import java.sql.*; import java.util.*; public class SQLTest{ ...

38. Error in connection

39. error connecting jdbc-oracle8i

40. Kindly help with the "cannot connect to the database" error

Hello All, I posted this message some time back, but dont know why nobody is answering it.It would be nice if somebody takes the time to help me out with this.I did look into the forums , but could not get a suitable error correction. It would be great if someone helps me out in this very helpful forum.I am giving ...

41. connection refused error

42. How to eliminate DB Connection leakage error

Hi friends, I am getting DB Connection leakage error. What is the solution for DB connection leakage . What are all ways to eliminate DB connection leakage. please reply immediately. <001074> at weblogic.jdbc.pool.Connection.( at weblogic.jdbc.pool.Driver.allocateConnection( at weblogic.jdbc.pool.Driver.connect( at com.atroad.util.GenericConnectionPool.getConnection(Unknown Source) at com.atroad.adm.asap.util.ConnectionPool.getConnection(Unknown Source) at examples.jsp._adm._asap.__CustomerEdit._jspService( at weblogic.servlet.jsp.JspBase.service( at weblogic.servlet.internal.ServletStubImpl$ at weblogic.servlet.internal.ServletStubImpl.invokeServlet( at weblogic.servlet.internal.TailFilter.doFilter( at weblogic.servlet.internal.FilterChainImpl.doFilter( at weblogic.servlet.internal.WebAppServletContext$ at at weblogic.servlet.internal.WebAppServletContext.invokeServlet( ...

43. Error in connection

package Connection; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; /** * */ /** * @author Administrator * */ public class JdbcConnMysql { static Connection con=null; /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub try { Class.forName(""); con=DriverManager.getConnection("jdbc:mysql://systemname:3306/xxx","xxx","xxx");//Database,username,password are the same System.out.print(con); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } ...

44. Pool connection leak error

Hi, In my application i am having a two classes which interacts with the database (ie creates the prepared statements & executes the query...etc.) Now for getting the connection to the database I have made a general class called DTSConnection having a getConnection() & closePreStCon() methods which gets the connection & closes the connection respectively. Now if do a simple connection ...

45. Error trying to connect MS Acess 12 database

Hello all, I'm using the Microsoft Office 12 beta release from Microsoft. Using the Administration Tool for ODBC Data Sources in the Control Panel, I created a DSN to connect a brand new database to store messages to my web application, which is a message board (duh!). (The DSN created was a user DSN). However, when I run my application using ...

46. error while connecting to database

47. Error connect to db after several transaction

List studentNames = readFile("fileName.txt"); int i = 1; for(String name : studentNames) { String sql = "INSERT INTO student VALUES(?,?)"; int count = 0; try{ Connection con = DriverManager.getConnection(POSTGRES_URL, POSTGRES_USER, POSTGRES_PASSWORD); PreparedStatement pstmt = con.prepareStatement(sql); pstmt.setInt(1,i); pstmt.setString(2,name); count = pstmt.executeUpdate(); pstmt.close(); con.close(); i++; } catch(SQLException e) { throw new RuntimeException(e); } System.out.println("Records inserted so far - " + count); }

48. Error in getting connection

49. SQL Connection Error

The SQL Server instance you are trying to connect to, is it configured to listen on 1433? Its the default so it should be, but someone might have configured it otherwise. Also is the instance configured to allow connections via TCP/IP? Again, SQL Server 2000 should allow this by default (though be aware 2005 does not)? One last thing to check ...

50. Connection Closed Errors

In the past, I've worked on an application which uses JDBC to connect to a SQL Server database. Recently, some users have started getting errors that read "DSRA9110E: Connection is closed." The odd part about this is that it's only a couple users (that we know of) that are receiving the error message and they get it intermittently. No single operation ...

51. connection time out error

I am using MDB with weblogic 8.1 sp server. I also created connection pool and datasource in admin console of weblogic. I am creating a connection with the help of data source. it works for one database call but if you call another database call from same method it is giving error The transaction is no longer active - status: 'Marked ...

52. Error: Connection got Reset

53. Simple mdb connection Error

For some reason, I can connect to but can't do the "INSERT INTO" statement on my database. The simple mdb file is here .. anyone, if there's an obvious reason why I can't insert data, and you could explain it to would greatly be appreciated. It actually only has 3 entries in it... Its really weird because every other database, ...

54. Error connecting to database from executable JAR file.

Hi All I created a Swing application which uses ojdbc14.jar for connecting to Oracle 9i database. I can successfully run the application from command line using javac and also from IDE(MyEclipse). However I am facing issue when I create executable JAR file for my application. I am not able to connect to Database from JAR even after including ojdbc14.jar in CLASSPATH. ...

55. connection error

56. SQL connection error

Your method will not return anything if an Exception is thown. The method signature means it must always return a Connection (or null). (Also - it looks like you may be trying to use the JDBC-ODBC bridge to connect to an Oracle database. Why not use the thin driver?) [ February 01, 2008: Message edited by: Paul Sturrock ]

57. Error in First JDBC connection program

import java.sql.Connection; import java.sql.SQLException; import java.sql.ResultSet; import java.sql.Statement; import java.sql.DriverManager; public class Mydatabase { public static void main(String[] args) { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); String source= new String("jdbc:odbc:technical_library"); Connection databaseConnection=DriverManager.getConnection(source,"system","mypassword"); Statement statement = databaseConnection.createStatement(); ResultSet data= statement.executeQuery("Select Name,Age,City from information"); while( { System.out.println(data.getString("Name")+ " " + data.getString("Age")+" "+data.getString("City")); } } catch(ClassNotFoundException cf) { System.err.println(cf); } catch(SQLException se) { System.err.println(se); } } } ...

58. 'Connection has already been closed'. Random error connecting with a pool, platform i

Hi all, I've got a problem I cannot solve, and really hope in someone's help... The fact is: I'm working on a webapp which doesn't made use of frameworks or patterns or similars. I introduced the DAO pattern in order to organize and speed up the work. At the core of the new classes there is the DBDAO, and this is ...

60. DB Connection null error

I have this batch process running with Java and DB used it MS SQL.THe process takes about an hour to complete.The process suddenly fails in between because of DB Connection failing.I get a DB connection null after lets say after processing some 5000 records and that is consistant.Not sure why this is happening.Any clue why this could happen?

61. Database Connection Error

62. Database Connection Error

63. error in jdbc connection

64. Error:Cannot create JDBC driver of class '' for connect URL 'null'

Hi, I am trying to connect mysql database fron jsp page.Here is my code: <%@ page language="java" %> <%@ page import="java.sql.*,javax.sql.*, javax.naming.*,*,java.util.*,com.indiabiznet.igidr.general.*" %> <% String userid=request.getParameter("userid"); String password=request.getParameter("pass"); InitialContext context = new InitialContext(); DataSource ds = (DataSource) context.lookup("java:comp/env/jdbc/igidr"); Connection conn = ds.getConnection(); context.close(); session.setAttribute("MyConnection",conn); and here is an context.xml saved in catalina home/conf/context.xml.