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From Youhei Ootsuki <youhei.oots...@gmail.com>
Subject Re: what is java.lang.NullPointerException
Date Sun, 22 Oct 2017 12:49:36 GMT
Hi,

Thank you very much for your reply.

I got a log file

Do I need any additional information?

Please contact , if there is something




2017-10-17 11:40 GMT+09:00 Nick Couchman <vnick@apache.org>:

> On Mon, Oct 9, 2017 at 8:28 AM, Youhei Ootsuki <youhei.ootsuki@gmail.com>
> wrote:
>
>> Hi,
>>
>>
>>
>> Thank you very much for your reply.
>>
>>
>> > At what point in the process do you get the error?
>>
>> I can login to My Guacamole server. ( HTTPS )
>> but, I can not connect to the remote server with SSH.
>>
>> However, RDP connection is possible.( Another remote server )
>> and, SSH connection to myself is also possible( Guacamole server to
>> Guacamole server on ssh )
>>
>> SSH connection to Cisco IOS is also possible.
>>
>>
>>
>> SSH connection to the latest Linux such as Debian 9, Centos 7 is
>> impossible.
>>
>>
> That's very strange.  I don't use Debian much, but I do use CentOS 7.4 and
> RHEL 7.4 routinely, and connect to these hosts with Guacamole without a
> problem.
>
> Can you enable debugging mode for guacd (guacamole server) and capture the
> logs when the connection fails?  You can either change the startup, or stop
> the service and run guacd manually with the -L debug flag and the -f flag
> and capture the output during a connection failure:
> /usr/sbin/guacd -L debug -f
>
> (Use the appropriate path to guacd, wherever you have it installed.)
>
> -Nick
>

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