Database Connection Error :

java.lang.Exception: Error reading DBConfig:

Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "IBWEB" requested by the login. The login failed. ClientConnectionId:5c1f8401-8757-4782-8134-6f50103d3330
	at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
	at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:254)
	at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:84)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:2908)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:2234)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(SQLServerConnection.java:41)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:2220)
	at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:5696)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1715)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1326)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)
	at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)
	at java.sql.DriverManager.getConnection(DriverManager.java:571)
	at java.sql.DriverManager.getConnection(DriverManager.java:215)
	at CPPooler.GetConnFromSrv(CPPooler.java:1077)
	at CPPooler.GetConnFromSrv(CPPooler.java:1005)
	at CPPooler.getTableNamesFromServer(CPPooler.java:196)
	at CPPooler.getTableNamesFromServer(CPPooler.java:187)
	at CPPooler.ReloadTableNames2(CPPooler.java:868)
	at CPPooler.(CPPooler.java:739)
	at CPContext.a(Unknown Source)
	at CPContext.(Unknown Source)
	at CPContext.GetRegular(Unknown Source)
	at CPTranslations.(CPTranslations.java:60)
	at CPContext.new(Unknown Source)
	at CPContext.(Unknown Source)
	at CPLib.EntryPoint(CPLib.java:2864)
	at CPLib.EntryPoint(CPLib.java:2807)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.zucchetti.SPBridge.SPJSPBridge.EntryPoint(spjspbridge.java:1126)
	at com.zucchetti.SPBridge.Sitepainter.login(sitepainter.java:733)
	at com.zucchetti.SPBridge.Sitepainter.login(sitepainter.java:728)
	at com.zucchetti.SPBridge.Sitepainter.login(sitepainter.java:724)
	at com.zucchetti.BIAdmin.UserModified.(UserModified.java:33)
	at com.zucchetti.BIAdmin.IBAdminListener.contextInitialized(IBAdminListener.java:78)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4797)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5291)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1114)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1673)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)