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The Network Adapter could not establish the connection

sanju_sql_plsqlApr 17 2011 — edited Jun 21 2011

Dear Gurus,

I have installed SQL Developer 2.1 on my machine i.e. home desktop.
Machine have Oracle Database Server 10g installed (same machine).
But when I try to create a connection I am getting below error.

"Io exception:The Network Adapter could not establish the connection"

Input parameters i am using for create connection as below

Connection Name : Scott_Conn
User Name : scott
Password : tiger

role : default
connection type : basic

hostname : localhost
port : 1521
SID : orcl

Please help in above

Thanking in Advanced
Sanjeev

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Locked on Jul 19 2011

Added on Apr 17 2011

#adapter, #code, #error, #network, #sql-developer

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