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From Youhei Ootsuki <youhei.oots...@gmail.com>
Subject Re: what is java.lang.NullPointerException
Date Mon, 09 Oct 2017 12:28:21 GMT
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.



user-mapping.xml

        <connection name="Windows Server 2012 R2(rdp)">
            <protocol>rdp</protocol>
            <param name="hostname">aa.bb.cc.dd</param>
            <param name="port">3389</param>
            <param name="console">true</param>
            <param name="username">********</param>
            <param name="password">**********</param>
            <param name="domain">******</param>
            <param name="security">any</param>
            <param name="ignore-cert">true</param>
            <param name="disable-audio">true</param>
            <param name="console-audio">false</param>
            <param name="server-layout">ja-jp-qwerty</param>
            <param name="resize-method">reconnect</param>
            <param name="enable-drive">true</param>
            <param name="drive-path">/tmp/rdp</param>
            <param name="create-drive-path">true</param>

        </connectio

        <connection name="Debian 9.1 (ssh)">
            <param name="hostname">ee.ff.gg.hh</param>
            <param name="port">22</param>
            <param name="enable-sftp">true</param>
            <param name="username">*****</param>
            <param name="password">*****</param>
            <param name="color-scheme">black-white</param>
        </connection>

        <connection name="lix-centos7,1 web(ssh)">
            <param name="hostname">**.**.**.**</param>
            <param name="port">22</param>
            <param name="enable-sftp">true</param>
            <param name="username">*****</param>
            <param name="password">*****</param>
            <param name="color-scheme">black-white</param>
        </connection>


       <connection name="Catalyst 3750(ssh)">
            <protocol>ssh</protocol>
            <param name="hostname">**.**.**.**</param>
            <param name="port">22</param>
            <param name="enable-sftp">true</param>
            <param name="username">*******</param>
            <param name="password">******</param>
            <!-- param name="color-scheme">black-white</param -->
        </connection>




I would appreciate your prompt reply.

Thanks,


2017-10-09 10:22 GMT+09:00 Nick Couchman <vnick@apache.org>:

> On Fri, Oct 6, 2017 at 6:59 AM, Youhei Ootsuki <youhei.ootsuki@gmail.com>
> wrote:
>
>> Hi,
>>
>>
>> Thank you very much for your reply.
>>
>>
>> > Are you using the Guacamole Client, or are you writing your own custom
>> application?  Can you provide more details about what you're doing when you
>> encounter the error?
>>
>> I am using Firefox. # ver 56.0 (32 bit)
>> and accessing my Guacamole server using HTTPS
>>
>>
> Okay, so you're using the full guacamole-client and guacamole-server
> packages.
>
>
>> Good )
>>
>>   My PC ---> SSH ----> Remote Server
>>   My Guacamole Server ----> SSH ----> Remote Server
>>
>>
>> No Good )
>>
>>   My PC ---> HTTPS ----> My Guacamole Server ----> SSH ----> Remote
>> Server
>>
>>
> At what point in the process do you get the error?  Is it when you try to
> log in to Guacamole?  Or you can log in to Guacamole, but when you try to
> make the SSH connection it fails?  How is the connection configured?
>
> Also, you mentioned you were using Apache, presumably as a proxy in front
> of Tomcat - how do you have Apache configured?  It looks to me like at
> least one of the errors is a misconfiguration of the proxy between httpd
> and tomcat, probably either related to HTTP/HTTPS or to WS/WSS, but it's
> hard to tell without a lot more detail.
>
> -Nick
>

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