JDBC Connectivity Problem

Nov 9, 2006

An application on our sql 2005, x64, server is trying to connecto to our HP 3000 using JDBC (from MiniiSoft). The applicaiton fails.

Are than any administrative tools from Microsoft that I can use to see if the JDBC connection is good? (We are new users of th app and it is possible that we have misconfigured the app but be want to check that JDBC is working as a first step.) We use jre 1.4.2_11

TIA,

barkingdog

P.S. I have heard about a Microsoft JDBC product. We haven't tested it and don't know if it can talk to an HP 3000 (which uses a MiniSoft listener)

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Regarding JDBC Connectivity In MSSQL

Jul 10, 2007

Hi,

Am using Mcafee and it has a built in MSSQL Database. Am not able to get data frrom database. Can anyone let me know how to connect to Built in MSSQL database using JAVA? Need very quick reply. Any help is greatly appreciated.

thanks,
Jags

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JDBC Connectivity With SQL Server

May 19, 2006

How do I configure the MS-SQLSERVER to accept JDBC connections andprocess the sql?I'm using SQLSERVER 2000 on Windows NT.Thanks for your help

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Unexpected Error With JDBC SQL Server 2000 Connectivity

Sep 3, 2007

Hi,
We are running one shopping site for our organisation, which includes Tomcat 5.0.28 , IIS & SQL Server 2000 SP3 hosted on platform Microsoft Windows Server 2003 Enterprise Ed. , we are running jsp pages server side and site is hosted on internet,
but it is observed that after every 1/2 days , page will throw following exception, and site get blocked.

javax.servlet.ServletException: Network error IOException: No buffer space available (maximum connections reached?) : connect

Can anybody help please?

I am beginner with JDBC - SQL Server Connectivity ,

I am giving our configuration details:

Driver Used - Microsoft SQL Server Driver 2000 SP3

Protocol Used - TCP/IP which open socket connection on default port 1433

Authentication - Mix Mode Authetication ( using sa account login)

Even setting done within LOCAL instance running on server to allow max. connections i.e 32767

My observation is that some kind of virus threat may causing this error, because if server will be rebooted, we doesn't

get any error and everything works fine.

Waiting for your suggestions and advise.

Thanks a lot.

Regards,

Mandar Velankar

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Cannot Load JDBC Driver Class 'com.microsoft.jdbc.sqlserver.SQLServerDriver'

Apr 14, 2008

I have read similar posts to this, but I am still having problems.

I am trying to use connection pooling to connect to a local SQL Server 2005 database. I am running my application using
MyEclipse Enterprise Workbench. I have verified that sqljdbc.jar resides in "WebRoot/WEB-INF/lib/"

"WebRoot/WEB-INF/web.xml":
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsichemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<resource-ref>
<res-ref-name>jdbc/DefaultDS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>

"WebRoot/META-INFcontext.xml":

<?xml version="1.0" encoding="UTF-8"?>
<Context>
<Resource name="jdbc/DefaultDS"
auth="Container"
type="javax.sql.DataSource"
username="tec"
password="tec"
driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDrive"
url="jdbcqlserver://localhost:1433/tec;databaseName=tec;user=tec;password=test;"
validationQuery="select 1"
maxActive="10"
maxIdle="2"/>
</Context>

Classpath:
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="com.genuitec.eclipse.j2eedt.core.J2EE14_CONTAINER"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/dom.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/jaxen-full.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/jaxp-api.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/jdbc2_0-stdext.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/sqljdbc.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/jstl.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/mail.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/sax.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/saxpath.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/standard.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/xalan.jar"/>
<classpathentry kind="lib" path="WebRoot/WEB-INF/lib/xercesImpl.jar"/>
<classpathentry kind="output" path="WebRoot/WEB-INF/classes"/>
</classpath>

Code to connect:

import java.io.Serializable;
import java.sql.*;

import javax.sql.*;
import javax.naming.*;
public int testConnect(){
Connection conn = null;
InitialContext ctx = null;
java.sql.Statement stmt = null;

try {
ctx = new InitialContext();
Context envCtx = (Context) ctx.lookup("java:comp/env");
DataSource ds = (DataSource) envCtx.lookup("jdbc/DefaultDS");/*This is generating the Cannot load JDBC driver class... error*/
conn = ds.getConnection();
stmt = conn.createStatement();
return CONSTANT.SUCCESS;

} catch (Exception e) {
return CONSTANT.FAILURE;
}finally {
try {
if (stmt != null)
stmt.close();
if (conn != null)
conn.close();
if (ctx != null)
ctx.close();
} catch (Exception ex) {
// do nothing
return CONSTANT.FAILURE;
}
}
}

Any ideas would be greatly appreciated.

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MS JDBC Driver Incompatibility With JDBC 3.0 Specs

Aug 8, 2006

Hi all,

We've just stumbled on a 1.0 version incompatibility with the JDBC specs.

Problem: A table with SMALLINT column. According to JDBC specs version 3.0

(p.B-179) and 4.0 (p.221)), the value should be converted to Integer type.

Unfortunatelly we get a Short object :(

Now, I remember, this case was also affecting old JSQLConnect driver from

DataDirect. Could that problem sneak to new MS driver too?

Please let me know any resolution to this problem if exists.

The issue has not been fixed in CTP 1.1 version. Any ideas if it can be fixed??

Cheers,

Piotr