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author's profile photo Former Member
Former Member

Communication Channel Hanged!

Hi,

In our production environment, we always have one particular communication channel which gets hanged .

Although it did populate these messages and never restarted.

Error occurred while connecting to the FTP server : java.net.ConnectException: Connection timed out

Is this something to do with the FTP server or with my communication channel.

I have tried to do some changes and activated again. Although it does not happen daily, atleast twice in a week.#

Regards

Anandh.B

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4 Answers

  • author's profile photo Former Member
    Former Member
    Posted on May 03, 2012 at 09:08 AM

    have you seen below thread :

    http://scn.sap.com/thread/2027539

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  • author's profile photo Former Member
    Former Member
    Posted on May 03, 2012 at 10:55 AM

    Hi ,

    It could be a network issues, while accessing to the FTP Server.

    Please check the firewall setting & ports . Also take help from Basis team.

    Doesn't seem to be an issue with Channel, as you say that the problem is not permanent but happens sometimes.

    Thanks!

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  • author's profile photo Former Member
    Former Member
    Posted on May 03, 2012 at 11:02 AM

    If you are connected with the FTP server and it is disconnecting at times then check following

    Is there a routine outage of the concerned FTP server?

    What does the command "telnet <ftp server> 21" return when the channel is in error

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  • Posted on May 03, 2012 at 11:04 AM

    make sure as a best practice, the setting in your adapter for Connect Mode is Per File Transfer

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    • Former Member

      Shabarish,

      If the volume and frequency is high, i think permanent connection would be suitable, Correct me if i am wrong.

      If it is network issues, after the connection timeout error, the channel should automatically start when it sees active connection.

      The timeout error occurred at midnight and was in that state till today morning until i manually stopped and started the channel.

      Regards

      Anandh

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