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https://issues.apache.org/jira/browse/SSHD-1320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17694120#comment-17694120
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Lyor Goldstein commented on SSHD-1320:
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First of all, I would strongly advise +against+ custom error messages. It is a
non-standard bottomless pit fraught with nothing but heartache. If, however,
you insist on walking this path, please read [Internal exceptions and error
message
handling|https://github.com/apache/mina-sshd/blob/master/docs/sftp.md#internal-exceptions-and-error-message-handling]
and [Intercepting data sent via STDERR channel data from the
client|https://github.com/apache/mina-sshd/blob/master/docs/sftp.md#intercepting-data-sent-via-stderr-channel-data-from-the-client]
and [Sending custom data via STDERR channel data to the
client|https://github.com/apache/mina-sshd/blob/master/docs/sftp.md#sending-custom-data-via-stderr-channel-data-to-the-client]
> how to suppress "Can't ls "some file" not found and just show error message
> ----------------------------------------------------------------------------
>
> Key: SSHD-1320
> URL: https://issues.apache.org/jira/browse/SSHD-1320
> Project: MINA SSHD
> Issue Type: Question
> Reporter: Sreedhar J
> Priority: Major
>
> Using the Apache SFTP Server, we are able to send custom error message by
> writing it to IoAsync Error streams. Error messages are shown at the client
> side, but one extra message is shown at the client as below for the "ls "
> command
> sftp> ls hide.txt
> invalid ls command, can not list hidden file
> Can't ls: "/hide.txt" not found
> In the above at the sftp command prompt, when we give ls hide.txt, Server
> is sending the desired error message as "invalid ls command , can not list
> hiddent files". but along with this error message one more extra message was
> seen "*Can't ls: "/hide.txt" not found*" . So how to get rid of this "Can't
> ls..." message, just to have error message. What needs to be customized on
> the Apache SFTP Server side?
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