JDBC connection refused error ...oracle 8i

Dearest Java Programmer!
i am getting an error while using JDBC to connect to oracle8i, my program is simple connection testing using type1 driver .. every thing is perfect as far as the program is concerned, it is compiled successfully.
but while executing it is raising some exception(error message followed).
java.sql.SQLException: [Microsoft][ODBC Driver Manager] Driver's SQLAllocHandle
on SQL_HANDLE_ENV failed
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6958)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7115)
at sun.jdbc.odbc.JdbcOdbc.SQLDriverConnect(JdbcOdbc.java:3074)
at sun.jdbc.odbc.JdbcOdbcConnection.initialize(JdbcOdbcConnection.java:3
23)
at sun.jdbc.odbc.JdbcOdbcDriver.connect(JdbcOdbcDriver.java:174)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at OracleODBCConnection.main(OracleODBCConnection.java:9)
so please help in rectifying this error.
thanku

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