Database connectivity error with Websphere server
i configured websphere server for database connection and also i mentioned the connection url with user name and pwd in the persistence.xml file of JPA.once i try to get the data, i got the following error.
EJB threw an unexpected (non-declared) exception
org.apache.---.persistence.PersistenceException: There were errors initializing your configuration.A connection could not be obtained for driver class "com.microsoft.sqlserver.jdbc.SQLServerDriver" and URL
jdbc:sqlserver://----- You may have specified an invalid URL.
please provide me the solution for this.