Account locked but I see it open
Try running the following from sqlplus and posting the results.

select username, account_status, lock_date, expiry_date from dba_users where username='&lt;your user name&gt;';
select instance_name, host_name from v$instance;

set term off
set serveroutput on
set long 10000000
set trimspool on
set tab off
set linesize 190
set pagesize  50
set feedback  on
set editfile "/tmp/_USER_CONNECT_IDENTIFIER_PRIVILEGE.buf"
set sqlprompt "_USER'@'_CONNECT_IDENTIFIER _PRIVILEGE&gt; "
set timing on
set term on