Could not connect to host localhost on port 21212

Hi Experts,
I am trying to install SAP NW 2004s SR1 with Linux [Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
, Kernel (2.6.9-42.EL)] and Oracle 10.2. I am getting the following error:
=============
SAP NetWeaver
SAPinst Installation GUI
Could not connect to host localhost on port 21212
java.net.ConnectException:Connection refused
Host: localhost
Port 21212
==================
I am using SDK 1.4.2_16.
Kindly  help me to resolve go ahead in installation.
Regards.......Yogesh

Hi Yogesh,
The error comes if  :-
1. Incorrect version of JDK.
2. Java_Home is not set.
3.The port is already as an old binary is using it.
Please check on the above lines.
Thanks
Pankaj

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    Hi,
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  • SFTP receiver error: putFile: Could not connect to remote host; Reason: Unable to open Sftp client. SshReasonCode: CHANNEL_FAILURE

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  • Javax.mail.MessagingException: Could not connect to SMTP host:

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    package MailDao;
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    import java.io.*;
    import java.text.*;
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    import javax.servlet.http.*;
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    import java.sql.*;
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    Event ID:      4027
    Task Category: (1)
    Level:         Error
    Keywords:      Classic
    User:          N/A
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        <EventID Qualifiers="49156">4027</EventID>
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        <Keywords>0x80000000000000</Keywords>
        <TimeCreated SystemTime="2014-01-30T17:47:01.000000000Z" />
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        <Security />
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        <Data>ExSetupUI.exe</Data>
        <Data>3868</Data>
        <Data>Get Servers for sescolighting.com</Data>
        <Data>TopologyClientTcpEndpoint (localhost)</Data>
        <Data>3</Data>
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       at System.ServiceModel.Channels.BufferedConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
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       at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.OnOpen(TimeSpan timeout)
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       at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
       at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&amp; msgData, Int32 type)
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    Tina M. White Boundless Data

    Hello,
    Please make sure whether you install exchange 2013 on a DC server. If so, we don't recommend you install Exchange 2013 server and DC server on a server.
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    http://technet.microsoft.com/en-us/library/bb691354(v=exchg.150).aspx
    Cara Chen
    TechNet Community Support

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