junit - Need to resolve com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'sa' -

i using junit test application. in application used datasource connection database. database connection properties getting context.xml while testing junit, had written code initialize initialcontext , set database properties in datasource, while getting connection getting login failed error. don't know why happening, please let me know how resolve these issues.

# initialization had written # // create initial context         system.setproperty(context.initial_context_factory,             "org.apache.naming.java.javaurlcontextfactory");         system.setproperty(context.url_pkg_prefixes,              "org.apache.naming");                     initialcontext ic = new initialcontext();          ic.createsubcontext("java:");         ic.createsubcontext("java:comp");         ic.createsubcontext("java:comp/env");         ic.createsubcontext("java:comp/env/jdbc");          // construct datasource         sqlserverconnectionpooldatasource ds = new sqlserverconnectionpooldatasource();          ds.seturl("jdbc:sqlserver://localhost:1433;databasename=database");         ds.setuser("sa");         ds.setpassword("*****");         ic.bind("java:comp/env/jdbc/devtest", ds);     // code  getting connection written in class   context initcontext = new initialcontext(); context envcontext = (context) initcontext.lookup("java:comp/env"); datasource ds = (datasource) envcontext.lookup("jdbc/dev" + dbenv.touppercase()); connection = ds.getconnection(); 

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issue when datasource object initial context object database connection properties there in datasource object password missing getting exeception while creating connection of database