Error Deploying Web application that Connects to MS SQL Server

Hello I have Created a data Source that connects to a SQL Server Database and its conecting but whenever i try running the web server that contains a web page that accesses a Datasource (Microsoft) I get this error
Exception is: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.microsoft.sqlserver.jdbc.SQLServerDriver
06/04/26 12:26:37 SEVERE: ApplicationStateRunning.initConnector Stack trace: oracle.oc4j.sql.DataSourceException: Exception creating connection pool. Exception: oracle.oc4j.sql.config.DataSourceConfigException: Unable to create : com.microsoft.sqlserver.jdbc.SQLServerDriver
at com.evermind.server.ApplicationStateRunning.initDataSourceConnectionPool(ApplicationStateRunning.java:2016)
Even though I chose the option to Upload the library with the deployment, Do i have to manually load the SQL Server Libraries

with com.microsoft.sqlserver.jdbc.SQLServerDataSource it does'nt get created.. with com.microsoft.sqlserver.jdbc.SQLServerDriver it does get created

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Best practise for creating an application that connects to a SQL Server database

I have created an application that connects to a SQL Server database and views information using a datagrid and performs several updates when a button
is selected.
I have created a SQLcontrol.vb using the following code:
Imports System.Data.Sql
Imports System.Data.SqlClient
Public Class SQlControl
'connection 1
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= "Data Source=;Initial Catalog=;Integrated Security=True"}
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        Try
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            sqlcmd = New SqlCommand(query,
SQLCon)
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SQL RECORDS FOR DATAGROD
            sqlda = New SqlDataAdapter(sqlcmd)
            sqldataset = New DataSet
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BH READ DIRECTLY FROM THE DATABASE
            'Dim
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R.Read
            'MsgBox(R.GetName(0)
& ": " & R(0))
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While
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            MsgBox(ex.Message)
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close connection if still open
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= ConnectionState.Open Then
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        Try
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            sqlcmd = New SqlCommand(query,
SQLCon1)
            'LOAD
SQL RECORDS FOR DATAGROD
            sqlda = New SqlDataAdapter(sqlcmd)
            sqldataset = New DataSet
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BH READ DIRECTLY FROM THE DATABASE
            'Dim
R As SqlDataReader = sqlcmd.ExecuteReader
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R.Read
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& ": " & R(0))
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While
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close connection if still open
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= ConnectionState.Open Then
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End Class
A code for one of my button which views displays data grid contains the following code:
Private Sub Button1_Click_1(sender As Object,
e As EventArgs) Handles Button1.Click
        If SQL.hasconnection
= True Then
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* from tablea")
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> 0 Then
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I am fairly new to vb.net and have read a few books and followed a few tutorials on youtube, what I would like to know is, are there any disadvantages
to the way I have connected to a SQL database using the SQLControl.vb. A lot of the vb books include data adapter and dataset within the form, I'm not sure if I'm following best practice by have the connection details outside of the form.
My other question is, I have created two connections in the SQLControl and call these connections within the same form using the same data adapter
and dataset. It all works fine but I just wanted to know of any potential issues?
Public SQLCon As New SqlConnection With {.ConnectionString
= "Data Source=;Initial Catalog=;Integrated Security=True"}
'connection 2
    Public SQLCon1 As New SqlConnection With {.ConnectionString
= "Data Source;Initial Catalog=;Integrated Security=True"}
Thanks

My other question is, I have created two connections in the SQLControl and call these connections within the same form using the same data adapter and dataset. It all works fine but
I just wanted to know of any potential issues
1) You are not using Sepration of concerns for a solution that is doing data access, like using a DAL.
http://en.wikipedia.org/wiki/Separation_of_concerns
2) You are directly issuing SQL commands at the UI, leading to sql injection attacks.
3) You are not using a UI design pattern, which leads you to tightly couple database activity to the UI.
http://www.codeproject.com/Articles/228214/Understanding-Basics-of-UI-Design-Pattern-MVC-MVP
@System243trd, parameters are important to prevent SQL injection attacks (people will insert SQL commands into the database if you do not perform basic checking of what you are passing to the database). If you write a stored procedure try to make
the variables the correct SQL server data type to avoid problems later of people trying to call it directly.  Darnold924 is right, I see no code to prevent against SQL injection attacks. In addition, during development in some instances LocalSQLDB
database system is used and during deployment you usually need to use the production SQL server database. Moreover, Linq-to-SQL is used on Windows Phone 8.1 and it is required for phone development later and so I highly recommend learning
it if you plan on developing windows phone applications.
@System243trd, If you want the code for the windows phone app I think it uses the MVVM model or that might be for universal apps or regular windows phone apps. I have been using the windows phone Silverlight pivot or panorama template (it might
be pieces of both). I've already submitted to the windows phone marketplace and it had to go through certification first. I plan on later making an article on it but I need to first fix one or two simple problems I have with it. Here's a link to
the source code if you later want to look at the source code (in vb.net):
https://jeffsblogcodesamples.codeplex.com/downloads/get/1445836
Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. - Sherlock Holmes. speak softly and carry a big stick - theodore roosevelt. Fear leads to anger, anger leads to hate, hate leads to suffering - Yoda. Blog
- http://www.computerprofessions.us

How many users from an application can connect to a SQL server at a time?

HI,
I need to know , How many users from an application can connect to a SQL server at a time? Do we have any settings for this in SQL server for limiting the users?

This is a difficult question, since it is both technical and legal.
The absolute maximum number of connections is around 32700, but unless your server is very beefy, it will choke long before that. A connection is not a user - an application can have many connections for the same user. Depending on your license
model, you may be legally limited to a certain number of users, but this number is not enforced technially.
Erland Sommarskog, SQL Server MVP, [email protected]

Error deploying Web application

Hello Everyone, i have a problem with my web application that is not able to be deployed.
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[#|2010-02-12T23:03:34.661+0100|INFO|sun-appserver9.1|javax.enterprise.system.tools.deployment|_ThreadID=23;_ThreadName=Thread-434;Servlet;WebServiceInterface;http://vmlinux:8024/WebServiceInterface/WebServiceInterface;|DPL5306:Servlet Web Service Endpoint [WebServiceInterface] listening at address [http://vmlinux:8024/WebServiceInterface/WebServiceInterface]|#]
[#|2010-02-12T23:03:38.107+0100|SEVERE|sun-appserver9.1|javax.enterprise.system.tools.deployment|_ThreadID=23;_ThreadName=Thread-434;_RequestID=3610621f-da38-477d-b37a-088311a00a42;|Exception occured in J2EEC Phase
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|#]
any ideas for this?? Thank you in advance regards
Edited by: White_Merovingian on Feb 13, 2010 5:55 AM

yeah these stacktraces are big scary blobs of text, but somewhere hidden among all the nonsense there is always the little piece of information you need:
"Could not resolve a persistence unit corresponding to the persistence-context-ref-name [com.testing.myEJBapplication.ReferenceServiceLocalBean/entityManager]"
So you are referring to a persistence unit in ReferenceServiceLocalBean that does not seem to exist. Do you have your persistence.xml deployed in the META-INF directory of the EJB module? Does it contain a persistence unit with the name that is declared in the bean?

Error message when trying to connect to a SQL Server Database

All:
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Thanks,
BR

Hi Brian,
In Acrobat, security concerns dictate that you cannot specify an ODBC connection string by using the Driver=; syntax. Therefore, the client computer using the form needs to have a DSN pre-configured for ODBC connections.
Denver
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Hello Sam,
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Truncated. see log file for complete stacktrace
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Hi
i'm a newer to J2ee , i use websphere 5.1 and try to make the first web application that connect to database in my SQL server by datasource but when i tested my application in the test unit i got the followin error :
[ the web project name : DBDatasourceProject
J2ee project name : DBDatasourceProjectApp ]
[4/19/05 10:50:10:844 PDT] 586024b6 WebGroup I SRVE0180I: [DBDatasourceProject] [DBDatasourceProject] [Servlet.LOG]: BookSearchController: init
[4/19/05 10:50:10:874 PDT] 586024b6 WebGroup I SRVE0180I: [DBDatasourceProject] [DBDatasourceProject] [Servlet.LOG]: BookSearchMasterView: init
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at com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStor eAdapterException.java:244)
at com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStor eAdapterException.java:171)
at com.ibm.ws.rsadapter.AdapterUtil.createDataStoreAdapterException(AdapterUtil.ja va:208)
at com.ibm.ws.rsadapter.DSConfigurationHelper.getPooledConnection(DSConfigurationH elper.java:706)
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.getPooledConnection(WSRdbDataSource.ja va:487)
at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.createManagedConnection (WSManagedConnectionFactoryImpl.java:577)
at com.ibm.ejs.j2c.poolmanager.FreePool.createManagedConnectionWithMCWrapper(FreeP ool.java:1280)
at com.ibm.ejs.j2c.poolmanager.FreePool.createOrWaitForConnection(FreePool.java:10 64)
at com.ibm.ejs.j2c.poolmanager.PoolManager.reserve(PoolManager.java:1571)
at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:622)
at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:424 )
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 216)
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 308)
at com.ibm.db.db.base.DatabaseConnection.connectToDataSource(DatabaseConnection.ja va)
at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
at com.ibm.db.db.Statement.connect(Statement.java)
at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
at apress.wsad.db.BookSearchMasterViewBean.execute(BookSearchMasterViewBean.java:5 3)
at org.apache.jsp._BookSearchMasterView._jspService(_BookSearchMasterView.java:170 )
at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspSer vlet.java:344)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java:6 62)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at apress.wsad.db.BookSearchController.dispatch(BookSearchController.java:104)
at apress.wsad.db.BookSearchController.performTask(BookSearchController.java:67)
at apress.wsad.db.BookSearchController.doPost(BookSearchController.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.ja va:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(Cach edInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReques tProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.j ava:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:5 6)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
Caused by: java.sql.SQLException: [IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.
at com.ibm.websphere.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.ibm.websphere.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getConnectionProperties(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getBaseConnection(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getPooledConnection(Unknown Source)
at com.ibm.ws.rsadapter.DSConfigurationHelper$1.run(DSConfigurationHelper.java:688 )
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:11 1)
at com.ibm.ws.rsadapter.DSConfigurationHelper.getPooledConnection(DSConfigurationH elper.java:683)
... 56 more
---- Begin backtrace for nested exception
java.sql.SQLException: [IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.
at com.ibm.websphere.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.ibm.websphere.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getConnectionProperties(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getBaseConnection(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getPooledConnection(Unknown Source)
at com.ibm.ws.rsadapter.DSConfigurationHelper$1.run(DSConfigurationHelper.java:688 )
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:11 1)
at com.ibm.ws.rsadapter.DSConfigurationHelper.getPooledConnection(DSConfigurationH elper.java:683)
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.getPooledConnection(WSRdbDataSource.ja va:487)
at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.createManagedConnection (WSManagedConnectionFactoryImpl.java:577)
at com.ibm.ejs.j2c.poolmanager.FreePool.createManagedConnectionWithMCWrapper(FreeP ool.java:1280)
at com.ibm.ejs.j2c.poolmanager.FreePool.createOrWaitForConnection(FreePool.java:10 64)
at com.ibm.ejs.j2c.poolmanager.PoolManager.reserve(PoolManager.java:1571)
at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:622)
at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:424 )
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 216)
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 308)
at com.ibm.db.db.base.DatabaseConnection.connectToDataSource(DatabaseConnection.ja va)
at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
at com.ibm.db.db.Statement.connect(Statement.java)
at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
at apress.wsad.db.BookSearchMasterViewBean.execute(BookSearchMasterViewBean.java:5 3)
at org.apache.jsp._BookSearchMasterView._jspService(_BookSearchMasterView.java:170 )
at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspSer vlet.java:344)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java:6 62)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at apress.wsad.db.BookSearchController.dispatch(BookSearchController.java:104)
at apress.wsad.db.BookSearchController.performTask(BookSearchController.java:67)
at apress.wsad.db.BookSearchController.doPost(BookSearchController.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.ja va:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(Cach edInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReques tProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.j ava:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:5 6)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
Next Linked Exception:
java.sql.SQLException: [IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.
at com.ibm.websphere.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.ibm.websphere.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getConnectionProperties(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getBaseConnection(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getPooledConnection(Unknown Source)
at com.ibm.ws.rsadapter.DSConfigurationHelper$1.run(DSConfigurationHelper.java:688 )
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:11 1)
at com.ibm.ws.rsadapter.DSConfigurationHelper.getPooledConnection(DSConfigurationH elper.java:683)
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.getPooledConnection(WSRdbDataSource.ja va:487)
at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.createManagedConnection (WSManagedConnectionFactoryImpl.java:577)
at com.ibm.ejs.j2c.poolmanager.FreePool.createManagedConnectionWithMCWrapper(FreeP ool.java:1280)
at com.ibm.ejs.j2c.poolmanager.FreePool.createOrWaitForConnection(FreePool.java:10 64)
at com.ibm.ejs.j2c.poolmanager.PoolManager.reserve(PoolManager.java:1571)
at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:622)
at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:424 )
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 216)
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 308)
at com.ibm.db.db.base.DatabaseConnection.connectToDataSource(DatabaseConnection.ja va)
at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
at com.ibm.db.db.Statement.connect(Statement.java)
at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
at apress.wsad.db.BookSearchMasterViewBean.execute(BookSearchMasterViewBean.java:5 3)
at org.apache.jsp._BookSearchMasterView._jspService(_BookSearchMasterView.java:170 )
at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspSer vlet.java:344)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java:6 62)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at apress.wsad.db.BookSearchController.dispatch(BookSearchController.java:104)
at apress.wsad.db.BookSearchController.performTask(BookSearchController.java:67)
at apress.wsad.db.BookSearchController.doPost(BookSearchController.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.ja va:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(Cach edInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReques tProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.j ava:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:5 6)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
[4/19/05 10:50:20:027 PDT] 586024b6 ConnectionMan E J2CA0020E: The Connection Pool Manager could not allocate a Managed Connection: javax.resource.spi.ResourceAllocationException: DSRA8100E: Unable to get a PooledConnection from the DataSource.
at com.ibm.ejs.j2c.poolmanager.FreePool.createManagedConnectionWithMCWrapper(FreeP ool.java:1321)
at com.ibm.ejs.j2c.poolmanager.FreePool.createOrWaitForConnection(FreePool.java:10 64)
at com.ibm.ejs.j2c.poolmanager.PoolManager.reserve(PoolManager.java:1571)
at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:622)
at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:424 )
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 216)
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 308)
at com.ibm.db.db.base.DatabaseConnection.connectToDataSource(DatabaseConnection.ja va)
at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
at com.ibm.db.db.Statement.connect(Statement.java)
at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
at apress.wsad.db.BookSearchMasterViewBean.execute(BookSearchMasterViewBean.java:5 3)
at org.apache.jsp._BookSearchMasterView._jspService(_BookSearchMasterView.java:170 )
at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspSer vlet.java:344)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java:6 62)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at apress.wsad.db.BookSearchController.dispatch(BookSearchController.java:104)
at apress.wsad.db.BookSearchController.performTask(BookSearchController.java:67)
at apress.wsad.db.BookSearchController.doPost(BookSearchController.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.ja va:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(Cach edInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReques tProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.j ava:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:5 6)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
---- Begin backtrace for Nested Throwables
java.sql.SQLException: [IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.
at com.ibm.websphere.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.ibm.websphere.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getConnectionProperties(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getBaseConnection(Unknown Source)
at com.ibm.websphere.jdbcx.base.BaseDataSource.getPooledConnection(Unknown Source)
at com.ibm.ws.rsadapter.DSConfigurationHelper$1.run(DSConfigurationHelper.java:688 )
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:11 1)
at com.ibm.ws.rsadapter.DSConfigurationHelper.getPooledConnection(DSConfigurationH elper.java:683)
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.getPooledConnection(WSRdbDataSource.ja va:487)
at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.createManagedConnection (WSManagedConnectionFactoryImpl.java:577)
at com.ibm.ejs.j2c.poolmanager.FreePool.createManagedConnectionWithMCWrapper(FreeP ool.java:1280)
at com.ibm.ejs.j2c.poolmanager.FreePool.createOrWaitForConnection(FreePool.java:10 64)
at com.ibm.ejs.j2c.poolmanager.PoolManager.reserve(PoolManager.java:1571)
at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:622)
at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:424 )
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 216)
at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java: 308)
at com.ibm.db.db.base.DatabaseConnection.connectToDataSource(DatabaseConnection.ja va)
at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
at com.ibm.db.db.Statement.connect(Statement.java)
at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
at apress.wsad.db.BookSearchMasterViewBean.execute(BookSearchMasterViewBean.java:5 3)
at org.apache.jsp._BookSearchMasterView._jspService(_BookSearchMasterView.java:170 )
at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspSer vlet.java:344)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java:6 62)
at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at apress.wsad.db.BookSearchController.dispatch(BookSearchController.java:104)
at apress.wsad.db.BookSearchController.performTask(BookSearchController.java:67)
at apress.wsad.db.BookSearchController.doPost(BookSearchController.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletIn stance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycle Servlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet .java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleS ervlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:28 3)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServle tReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstan ceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(Web AppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDi spatcher.java:555)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDis patcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.ja va:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(Cach edInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReques tProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.j ava:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:5 6)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
[4/19/05 10:50:20:518 PDT] 586024b6 SystemOut O [IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.
[4/19/05 10:50:22:211 PDT] 586024b6 WebGroup E SRVE0026E: [Servlet Error]-[[IBM][SQLServer JDBC Driver]Unable to connect. DataSource property serverName must be specified.]: java.sql.SQLException: [IBM]

java.sql.SQLException: [IBM][SQLServer JDBC Driver]Unable to connect.
DataSource property serverName must be specified.This might indicate something :-)

Classic ASP web app trying to acces remote SQL Server.

Hi
I have a classic asp web application which accessing a remote SQL Server 200. I am trying to connect using the following connection string in Global.asa file. For some reason not connecting to the remote SQL Server 200. The string is as follows.
Session("dsn") = "provider=SQLOLEDB;app=AppName;server=SERVERNAME;uid=;password=;database=DBName;Trusted_Connection=No"
Session("datadsn") = "data provider=SQLOLEDB;app=AppName;server=SERVERNAME;uid=;password=;database=DBName;Trusted_Connection=No"
Session("server") = "SERVERNAME"
Let me know if I am missing something or doing something wrong?
Varun

SQL Server Error Log has no error
But I found couple of errors in Application EventViewer
The VB Application identified by the event source logged this Application Globalization: Thread ID: 5312 ,Logged: -2147168246 New transaction cannot enlist in the specified transaction coordinator. Error Source: Microsoft OLE DB Provider for SQL Server->ValidateUser
A caller has attempted to propagate a transaction to a remote system, but MSDTC network DTC access is currently disabled on machine 'MyMachineName'. Please review the MS DTC configuration settings.
Varun

Failure - Cannot connect to Microsoft SQL Server on localhost

Hi!
I have a sqlserver installation on localhost and I want to connect with sqldeveloper.
I fill connection name, username, password, hostname: localhost port: 1433
and then click on retrieve database.
I get the following error message: "Status: Failure - Cannot connect to Microsoft
SQL Server on localhost"
I don't know the reason. I can use another connection to another ms sql server
and it's no problem, but can't connect to localhost.
I have special signs in my computername, for example a "-". Is this the problem?
How can I solve it?
Thank you
Andreas

I am able to successfully connect to my local SQLEXPRESS instance using the following settings:
Hostname: localhost
Port: 1433/DBName;instance=SQLEXPRESS
Even though I use this to connect, I cannot open a tcp connection to port 1433 via telnet. I believe this goes hand in hand with specifying the instance. As I understand it, there are two ways to specify the port, one is directly, the other is through a named instance (another port is used as a service to look up the correct port). SQL Server 2005 appears to prefer named instances instead of specific ports. When "instance" is specified, the port can actually be any number, the driver apparently ignores it.
The Retrieve database (list) appears to be only for informational purposes. I have to specify the database in the Port field (DBName) regardless of what I have selected in this list.
Hope this helps!
PS: Retrieve database will give that error until instance is specified in my case.
Edited by: flszen on Feb 4, 2009 1:29 PM

Connect WEKA to SQL Server 2008

hello,
please help for research purpose
how to Connect WEKA to SQL Server 2008??
and how to obtain source code of weka that connect WEKA to SQL Server 2008 ????

Hello,
Please do the test I mentioned above. Try to get connected using SQL Server Management Studio first.
Please enable TCP/IP and Named Pipes protocols.
https://msdn.microsoft.com/en-us/library/ms191294(v=sql.100).aspx
Configure Windows Firewall or disable it.
https://msdn.microsoft.com/en-us/library/cc646023(v=sql.100).aspx
Open SQL Server Configuration Manager and make sure SQL Server service is started.
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com

I want to writte C# code for 503 Service Unavailable error to web application page immediate close connection any page loaded

Here is a ticket regarding our current client web application ( Image data add, edit , delete in folder with form data in MSSQL Database) that using code c#, web form, ajax, VS2008, MSSQL Server2008 , it appears that there is an error where the HTTP
503 error occurs.
. Below is a conversation with Host Server support assistant.Can you take a look at it?
Ben (support) - Hi
Customer - We're having an issue with our windows host
Ben (support) - What's the issue?
Customer - 503 errors
Ben (support) - I am not getting any 503 errors on your site, is there a specific url to duplicate the error?
Customer - no, it comes and goes without any change Customer - could you have access to any logs ?
Ben (support) - Error logs are only available on Linux shared hosting, however with this error it may be related to you reaching your concurrent connections
Ben (support) - You can review more about this at the link \
Customer - probably yes - how can we troubleshoot ?
Ben (support) - http://support.godaddy.com/help/article/3206/how-many-visitors-can-view-my-site-at-once
Ben (support) - This is something you need to review your code and databases to make sure they are closing the connections in a timely manner
Customer - we're low traffic, this is an image DB to show our product details to our customers
Customer - ahhhh, so we could have straying sessions ?
Ben (support) - Correct Customer - any way you could check if it's the case ?
Customer - because it was working previously
Ben (support) - We already know that's the case as you stated the 503 errors don't happen all the time if it were issue on the server the the 503 would stay.
Customer - so our 2/3 max concurrent users can max out the 200 sessions
Customer - correct ?
Customer - is there a timeout ?
Ben (support) - no that's not a time out concurrent connections are a little different then sessions and or connections. Lets say for an example you have 5 images on your site and 5 7 users come to your site this is not 7 concurrent connections but 35. They
do close after awhile hence why the 503 error comes and goes. You can have these connections close sooner using code but this is something you have to research using your favorite search engine
Customer - thank you so much
Customer - I'm surprised that this just started a few weeks ago when we haven't changed anything for months
Customer - any changes from your side ? lowering of the value maybe ?
Customer - I'm trying to understand what I can report as a significant change
Ben (support) - We haven't touched that limit in years
Ben (support) - This could just be more users to your site than normal or even more images
Customer - I was thinking that could be it indeed
Customer - so I need to research how to quickly close connections when not needed
Ben (support) - Correctly
Ben (support) - correct
Customer - thanks !!
Ben (support) - Your welcome
Analysis :
The link provided tells us : All Plesk accounts are limited to 200 simultaneous visitors.
From what Ben (support) says and a little extra research, if those aren't visitors but connections then it's quite easy to max out, especially if the connections aren't closed when finished using. I'd suggest forwarding this to Kasem to see what he thinks.
Cheers,
Customer

Hi Md,
Thank you for posting in the MSDN forum.
>>
I want to writte C# code for 503 Service Unavailable error to web application page immediate close connection any page loaded.
Since
Visual Studio General Forum which discuss VS IDE issue, I am afraid that you post the issue in an incorrect forum.
To help you find the correct forum, would you mind letting us know more information about this issue? Which kind of web app you develop using C# language? Is it an ASP.NET Web Application?
If yes, I suggest you could post the issue directly on
ASP.NET forum, it would better support your issue.
Thanks for your understanding.
Best Regards,
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click HERE to participate the survey.

Unable to deploy the web application that uses a ejb3.0

Hi,
I have created a adf application with Model and a ViewController.
Locally from jdeveloper I am able to run the application successfully by right clicking the web page and click on Run.
However, when I try to deploy this application that contains both Model and ViewController, I am getting an error:
[04:41:52 PM] Weblogic Server Exception: weblogic.application.ModuleException: Could not setup environment
[04:41:52 PM] Caused by: weblogic.deployment.EnvironmentException: [J2EE:160167]The module QC-ViewController-context-root in application QC_application1 uses ejb-links but no EJB modules were found for this application.
[04:41:52 PM] See server logs or server console for more details.
[04:41:52 PM] weblogic.application.ModuleException: Could not setup environment
[04:41:52 PM] #### Deployment incomplete. ####
[04:41:52 PM] Remote deployment failed
Any help on this issue is appreciated.
Thanks
Saikrishna

Hi Saikrishna,
I had the same problem. My fix was to create a new Deployment Profile (EJB JAR file) in my Model (the default is an "ADF Library JAR file") and have my ViewController depend on that.
Also, make sure your ejb references in web.xml have the ejb-link attribute:
<ejb-local-ref>
<ejb-ref-name>AuditSessionEJB</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<local>com.incomemax.ejb.session.AuditSessionEJBLocal</local>
<ejb-link>AuditSessionEJB</ejb-link> <---- this entry
</ejb-local-ref>
Hope that helps,
Chris

Error while web application deployment in NetBeans5.5

Error while web application deployment in NetBeans5.5. I am always getting Tomcat deployment error. using Netbeans 5.5.1 with bundeld tomcat. But in some machines its working fine.
regards
jossy v jose

What is the error message you see?
Are there any stacktraces or other relevant messages in the ide log file? (The ide log file is [userdir]/var/log/messages.log. On userdir: http://blogs.sun.com/karthikr/entry/jse_directories)
You can also check the server log file to see if there are more detailed messages.
You can also try setting ant's verbose level to debug or verbose (Tools | Options | Miscellaneous | Ant | Verbosity Level) and check the output.

Error Deploying Web application that Connects to MS SQL Server

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