Find SID

select sid, osuser, machine, b.username, b.module, b.process, executions, sql_text
from v$process a, v$session b, v$sqlarea c
where b.sql_address=c.address
and b.status='ACTIVE'
and b.type not in ('BACKGROUND')
and b.paddr= a.addr
and a.addr = b.paddr
and b.sql_id = c.sql_id
and b.process = '<wsj process id>'