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Posted to user@guacamole.apache.org by Kevin Rivrain <Ke...@netplus.fr> on 2017/09/28 16:23:44 UTC
Error message when disconnecting a Windows Server 2012
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : < The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. >
Error log message : < guacamole01 guacd[1453]: Error handling RDP file descriptors >
Isn't present on Windows 2008 (log : < guacamole01 guacd[1436]: RDP server closed connection: Disconnected. >).
What might be the reason for the problem?
Sincerely,
Kevin
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
Hello Nick,
> What version of Guacamole are you running?
I use currently the 0.9.13 GIT version (I had the same problem before with the 0.9.12 version).
> How did you install guacd? Was it a package, or did you build it yourself?
I have « Installing Guacamole natively » (https://guacamole.incubator.apache.org/doc/0.9.13-incubating/gug/installing-guacamole.html) with GIT.
> Does this happen consistently with multiple Windows 2012 servers, or just a single one?
This happen with all Windows 2012 servers of my company (it’s OK on 2008 servers), i will be try de install a basic Windows 2012 Server directly from ISO for test.
> Does it happen when you Disconnect, Log Off, or both?
This happen after select « Sign out » or « disconnect » (this is similar when I « shut down » the server).
Do you want more information or configuration ? What is « RDP file descriptors » ?
Where I can found more logs (I have using journalctl for previous logs) ?
Thanks
Sincerely,
Kevin
De : Nick Couchman [mailto:vnick@apache.org]
Envoyé : jeudi 28 septembre 2017 18:32
À : user@guacamole.incubator.apache.org
Objet : Re: Error message when disconnecting a Windows Server 2012
On Thu, Sep 28, 2017 at 12:23 PM, Kevin Rivrain <Ke...@netplus.fr>> wrote:
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : « The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. »
Error log message : « guacamole01 guacd[1453]: Error handling RDP file descriptors »
Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server closed connection: Disconnected. »).
What might be the reason for the problem?
Sincerely,
Kevin
Kevin,
A few questions for you:
- What version of Guacamole are you running?
- How did you install guacd? Was it a package, or did you build it yourself?
- Does this happen consistently with multiple Windows 2012 servers, or just a single one?
- Does it happen when you Disconnect, Log Off, or both?
-Nick
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
(I have the same problem with a new Windows 2012 R2 installation)
De : Kevin Rivrain
Envoyé : vendredi 29 septembre 2017 10:07
À : user@guacamole.incubator.apache.org
Objet : RE: Error message when disconnecting a Windows Server 2012
Hello Nick,
> What version of Guacamole are you running?
I use currently the 0.9.13 GIT version (I had the same problem before with the 0.9.12 version).
> How did you install guacd? Was it a package, or did you build it yourself?
I have « Installing Guacamole natively » (https://guacamole.incubator.apache.org/doc/0.9.13-incubating/gug/installing-guacamole.html) with GIT.
> Does this happen consistently with multiple Windows 2012 servers, or just a single one?
This happen with all Windows 2012 servers of my company (it’s OK on 2008 servers), i will be try de install a basic Windows 2012 Server directly from ISO for test.
> Does it happen when you Disconnect, Log Off, or both?
This happen after select « Sign out » or « disconnect » (this is similar when I « shut down » the server).
Do you want more information or configuration ? What is « RDP file descriptors » ?
Where I can found more logs (I have using journalctl for previous logs) ?
Thanks
Sincerely,
Kevin
De : Nick Couchman [mailto:vnick@apache.org]
Envoyé : jeudi 28 septembre 2017 18:32
À : user@guacamole.incubator.apache.org<ma...@guacamole.incubator.apache.org>
Objet : Re: Error message when disconnecting a Windows Server 2012
On Thu, Sep 28, 2017 at 12:23 PM, Kevin Rivrain <Ke...@netplus.fr>> wrote:
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : « The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. »
Error log message : « guacamole01 guacd[1453]: Error handling RDP file descriptors »
Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server closed connection: Disconnected. »).
What might be the reason for the problem?
Sincerely,
Kevin
Kevin,
A few questions for you:
- What version of Guacamole are you running?
- How did you install guacd? Was it a package, or did you build it yourself?
- Does this happen consistently with multiple Windows 2012 servers, or just a single one?
- Does it happen when you Disconnect, Log Off, or both?
-Nick
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
Hello Nick,
I use FreeRDP 1.1.0 on Debian 8 (1.1.0~git20140921.1.440916e+dfsg1-4+deb8u1 amd64).
Sincerely,
Kevin
De : Nick Couchman [mailto:vnick@apache.org]
Envoyé : mardi 3 octobre 2017 16:59
À : user@guacamole.incubator.apache.org
Objet : Re: Error message when disconnecting a Windows Server 2012
On Tue, Oct 3, 2017 at 10:50 AM, Kevin Rivrain <Ke...@netplus.fr>> wrote:
Hello,
No one has encountered this problem on Windows Server 2012 R2 ?
It is possible to change Guacamole configuration to come back at the main page automatically after logout a Server to bypass this problem ?
Sincerely,
Kevin
I connect to both 2008R2 and 2012R2 servers, and am not seeing this issue. What version of FreeRDP are you building guacd against?
I don't think there's currently a way to change the behavior of a disconnect that results in an error.
-Nick
Re: Error message when disconnecting a Windows Server 2012
Posted by Nick Couchman <vn...@apache.org>.
On Tue, Oct 3, 2017 at 10:50 AM, Kevin Rivrain <Ke...@netplus.fr>
wrote:
> Hello,
>
>
>
> No one has encountered this problem on Windows Server 2012 R2 ?
>
> It is possible to change Guacamole configuration to come back at the main
> page automatically after logout a Server to bypass this problem ?
>
>
>
> Sincerely,
>
> Kevin
>
>
>
I connect to both 2008R2 and 2012R2 servers, and am not seeing this issue.
What version of FreeRDP are you building guacd against?
I don't think there's currently a way to change the behavior of a
disconnect that results in an error.
-Nick
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
Hello,
No one has encountered this problem on Windows Server 2012 R2 ?
It is possible to change Guacamole configuration to come back at the main page automatically after logout a Server to bypass this problem ?
Sincerely,
Kevin
De : Kevin Rivrain
Envoyé : vendredi 29 septembre 2017 14:08
À : 'user@guacamole.incubator.apache.org' <us...@guacamole.incubator.apache.org>
Objet : RE: Error message when disconnecting a Windows Server 2012
(I have the same problem with a new Windows 2012 R2 installation)
De : Kevin Rivrain
Envoyé : vendredi 29 septembre 2017 10:07
À : user@guacamole.incubator.apache.org<ma...@guacamole.incubator.apache.org>
Objet : RE: Error message when disconnecting a Windows Server 2012
Hello Nick,
> What version of Guacamole are you running?
I use currently the 0.9.13 GIT version (I had the same problem before with the 0.9.12 version).
> How did you install guacd? Was it a package, or did you build it yourself?
I have « Installing Guacamole natively » (https://guacamole.incubator.apache.org/doc/0.9.13-incubating/gug/installing-guacamole.html) with GIT.
> Does this happen consistently with multiple Windows 2012 servers, or just a single one?
This happen with all Windows 2012 servers of my company (it’s OK on 2008 servers), i will be try de install a basic Windows 2012 Server directly from ISO for test.
> Does it happen when you Disconnect, Log Off, or both?
This happen after select « Sign out » or « disconnect » (this is similar when I « shut down » the server).
Do you want more information or configuration ? What is « RDP file descriptors » ?
Where I can found more logs (I have using journalctl for previous logs) ?
Thanks
Sincerely,
Kevin
De : Nick Couchman [mailto:vnick@apache.org]
Envoyé : jeudi 28 septembre 2017 18:32
À : user@guacamole.incubator.apache.org<ma...@guacamole.incubator.apache.org>
Objet : Re: Error message when disconnecting a Windows Server 2012
On Thu, Sep 28, 2017 at 12:23 PM, Kevin Rivrain <Ke...@netplus.fr>> wrote:
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : « The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. »
Error log message : « guacamole01 guacd[1453]: Error handling RDP file descriptors »
Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server closed connection: Disconnected. »).
What might be the reason for the problem?
Sincerely,
Kevin
Kevin,
A few questions for you:
- What version of Guacamole are you running?
- How did you install guacd? Was it a package, or did you build it yourself?
- Does this happen consistently with multiple Windows 2012 servers, or just a single one?
- Does it happen when you Disconnect, Log Off, or both?
-Nick
Re: Error message when disconnecting a Windows Server 2012
Posted by Nick Couchman <vn...@apache.org>.
On Thu, Sep 28, 2017 at 12:23 PM, Kevin Rivrain <Ke...@netplus.fr>
wrote:
> Hello everyone,
>
>
>
> I have a problem when disconnecting a Windows Server 2012. Indeed, this
> message appear : « The remote desktop server is currently unavailable. If
> the problem persists, please notify your system administrator, or check
> your system logs. »
>
>
>
> Error log message : « guacamole01 guacd[1453]: Error handling RDP file
> descriptors »
>
>
>
> Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP
> server closed connection: Disconnected. »).
>
>
>
> What might be the reason for the problem?
>
>
>
> Sincerely,
>
> Kevin
>
>
>
Kevin,
A few questions for you:
- What version of Guacamole are you running?
- How did you install guacd? Was it a package, or did you build it
yourself?
- Does this happen consistently with multiple Windows 2012 servers, or just
a single one?
- Does it happen when you Disconnect, Log Off, or both?
-Nick
Re: Error message when disconnecting a Windows Server 2012
Posted by Jonathan Hankins <jh...@homewood.k12.al.us>.
FWIW,
Re: my recent message to this list:
http://mail-archives.apache.org/mod_mbox/incubator-guacamole-user/201711.mbox/ajax/%3CCAAiD57hsi8mVYhwt33F9Rc2Uq_X6KoUUX%2BOSr6C8V3mX%2BGXjYQ%40mail.gmail.com%3E
"Need guidance with suspected auto-reconnect bug
<http://mail-archives.apache.org/mod_mbox/incubator-guacamole-user/201711.mbox/ajax/%3CCAAiD57hsi8mVYhwt33F9Rc2Uq_X6KoUUX%2BOSr6C8V3mX%2BGXjYQ%40mail.gmail.com%3E>
"
I noticed that this patch hits the same code I identified as causing the
0x5 not to reach the client, and the auto-reconnect to ping-pong back and
forth reconnecting after the 15s countdown. This patch fixes my issue. I am
on Server 2012 r2.
-Jonathan Hankins
On Mon, Nov 13, 2017 at 10:27 AM Frode Langelo <fr...@apache.org> wrote:
> I am seeing the same behavior as Kevin; Windows 2008 does not give
> this error, while both 2012 and 2016 do. I found the easiest way to
> reproduce this is to connect to the box but not do anything in the
> Windows logon screen. The RDP server will disconnect the session and
> the referenced error is produced. The freerdp version I am using is
> 1.1.0~git20140921.
>
> Kevin; try adding this to src/protocols/rdp/rdp.c for remedy:
>
> diff --git a/src/protocols/rdp/rdp.c b/src/protocols/rdp/rdp.c
> index 0b15d055..d35c663c 100644
> --- a/src/protocols/rdp/rdp.c
> +++ b/src/protocols/rdp/rdp.c
> @@ -764,9 +764,16 @@ static int
> guac_rdp_handle_connection(guac_client* client) {
>
> /* Check the libfreerdp fds */
> if (!freerdp_check_fds(rdp_inst)) {
> - guac_client_abort(client,
> - GUAC_PROTOCOL_STATUS_UPSTREAM_UNAVAILABLE,
> - "Error handling RDP file descriptors");
> + /* Handle RDP disconnect */
> + if (freerdp_shall_disconnect(rdp_inst)) {
> + guac_rdp_client_abort(client);
> + }
> + /* Handle FD error */
> + else {
> + guac_client_abort(client,
> + GUAC_PROTOCOL_STATUS_UPSTREAM_UNAVAILABLE,
> + "Error handling RDP file descriptors");
> + }
> pthread_mutex_unlock(&(rdp_client->rdp_lock));
> return 1;
> }
>
> Kind regards,
> Frode
>
> On Mon, Oct 9, 2017 at 9:08 AM, Nick Couchman <vn...@apache.org> wrote:
> > On Mon, Oct 9, 2017 at 6:09 AM, Kevin Rivrain <Ke...@netplus.fr>
> > wrote:
> >>
> >> Hello,
> >>
> >>
> >>
> >> For information I quickly tested Guacamole installation on Centos 7 (my
> >> previous installations were on Debian 8) and I don’t have the problem
> when I
> >> logout from Windows now…
> >
> >
> > Interesting.
> >
> >>
> >>
> >>
> >> On Debian, the version of freerdp is 1.1.0 and on Centos 1.0.2. And, I
> do
> >> not have some libraries on Centos (libavcodec, libavutil, libswscale,
> >> libtelnet), I'll look for why. I do not know why it's OK on Centos and
> not
> >> on Debian.
> >
> >
> > I'm using FreeRDP 1.1.0 on CentOS 7 that I compiled from git, and I do
> not
> > see the issue. I also have another CentOS system with FreeRDP 1.0.x that
> > does not exhibit the problem. I wonder if the Debian package has some
> other
> > patch applied to it that is causing this behavior...
> >
> > -Nick
>
--
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Re: Error message when disconnecting a Windows Server 2012
Posted by Frode Langelo <fr...@apache.org>.
I am seeing the same behavior as Kevin; Windows 2008 does not give
this error, while both 2012 and 2016 do. I found the easiest way to
reproduce this is to connect to the box but not do anything in the
Windows logon screen. The RDP server will disconnect the session and
the referenced error is produced. The freerdp version I am using is
1.1.0~git20140921.
Kevin; try adding this to src/protocols/rdp/rdp.c for remedy:
diff --git a/src/protocols/rdp/rdp.c b/src/protocols/rdp/rdp.c
index 0b15d055..d35c663c 100644
--- a/src/protocols/rdp/rdp.c
+++ b/src/protocols/rdp/rdp.c
@@ -764,9 +764,16 @@ static int
guac_rdp_handle_connection(guac_client* client) {
/* Check the libfreerdp fds */
if (!freerdp_check_fds(rdp_inst)) {
- guac_client_abort(client,
- GUAC_PROTOCOL_STATUS_UPSTREAM_UNAVAILABLE,
- "Error handling RDP file descriptors");
+ /* Handle RDP disconnect */
+ if (freerdp_shall_disconnect(rdp_inst)) {
+ guac_rdp_client_abort(client);
+ }
+ /* Handle FD error */
+ else {
+ guac_client_abort(client,
+ GUAC_PROTOCOL_STATUS_UPSTREAM_UNAVAILABLE,
+ "Error handling RDP file descriptors");
+ }
pthread_mutex_unlock(&(rdp_client->rdp_lock));
return 1;
}
Kind regards,
Frode
On Mon, Oct 9, 2017 at 9:08 AM, Nick Couchman <vn...@apache.org> wrote:
> On Mon, Oct 9, 2017 at 6:09 AM, Kevin Rivrain <Ke...@netplus.fr>
> wrote:
>>
>> Hello,
>>
>>
>>
>> For information I quickly tested Guacamole installation on Centos 7 (my
>> previous installations were on Debian 8) and I don’t have the problem when I
>> logout from Windows now…
>
>
> Interesting.
>
>>
>>
>>
>> On Debian, the version of freerdp is 1.1.0 and on Centos 1.0.2. And, I do
>> not have some libraries on Centos (libavcodec, libavutil, libswscale,
>> libtelnet), I'll look for why. I do not know why it's OK on Centos and not
>> on Debian.
>
>
> I'm using FreeRDP 1.1.0 on CentOS 7 that I compiled from git, and I do not
> see the issue. I also have another CentOS system with FreeRDP 1.0.x that
> does not exhibit the problem. I wonder if the Debian package has some other
> patch applied to it that is causing this behavior...
>
> -Nick
Re: Error message when disconnecting a Windows Server 2012
Posted by Nick Couchman <vn...@apache.org>.
On Mon, Oct 9, 2017 at 6:09 AM, Kevin Rivrain <Ke...@netplus.fr>
wrote:
> Hello,
>
>
>
> For information I quickly tested Guacamole installation on Centos 7 (my
> previous installations were on Debian 8) and I don’t have the problem when
> I logout from Windows now…
>
>
Interesting.
>
>
> On Debian, the version of freerdp is 1.1.0 and on Centos 1.0.2. And, I do
> not have some libraries on Centos (libavcodec, libavutil, libswscale,
> libtelnet), I'll look for why. I do not know why it's OK on Centos and not
> on Debian.
>
I'm using FreeRDP 1.1.0 on CentOS 7 that I compiled from git, and I do not
see the issue. I also have another CentOS system with FreeRDP 1.0.x that
does not exhibit the problem. I wonder if the Debian package has some
other patch applied to it that is causing this behavior...
-Nick
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
Hello,
For information I quickly tested Guacamole installation on Centos 7 (my previous installations were on Debian 8) and I don’t have the problem when I logout from Windows now…
On Debian, the version of freerdp is 1.1.0 and on Centos 1.0.2. And, I do not have some libraries on Centos (libavcodec, libavutil, libswscale, libtelnet), I'll look for why. I do not know why it's OK on Centos and not on Debian.
Sincerely
De : Kevin Rivrain [mailto:Kevin.Rivrain@netplus.fr]
Envoyé : jeudi 5 octobre 2017 15:13
À : user@guacamole.incubator.apache.org
Objet : RE: Error message when disconnecting a Windows Server 2012
Hello Aldo,
I do not think this is a user session problem. Indeed, my first tests were on a Windows Server 2012 with RDS function (to allow more than 2 sessions), and I was alone for the others.
I have tested with a Windows Server 2016 today, and I have the same problem. I have realized 4 tests, on a Windows 2008 production server, a Windows 2012 R2 production server, a Windows 2012 R2 new test server and a Windows 2016 new test server.
To resume, when I select “sign out/log off” or “disconnect” from Windows interface:
- OK message on Guacamole interface for Windows 2008 R2 : “You have been disconnected. »
- NOK message on Guacamole interface for Windows 2012 R2/2016 : “The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs.” and there is a reconnection timer. And this message is present on journalctl for Guacamole : “Error handling RDP file descriptors”.
And, if I try to connect with another RDP tool with the same account on a server where I’m already connected with Guacamole:
- Normal message on Guacamole interface for Windows 2008 R2 : “The remote desktop server has closed the connection because it conflicts with another connection. Please try again later.”
- Anormal message on Guacamole interface for Windows 2012 R2/2016 : “The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs.” and there is a reconnection timer. And this message is present on journalctl for Guacamole : “Error handling RDP file descriptors”.
Sincerely,
Kevin
De : Aldo Bassanini [mailto:abassanini@gmail.com]
Envoyé : mercredi 4 octobre 2017 19:58
À : user@guacamole.incubator.apache.org<ma...@guacamole.incubator.apache.org>
Objet : Re: Error message when disconnecting a Windows Server 2012
Hello Kevin
Win2012R2 allows only two sessions from the same username. Is this the problem you mention?
--
Saludos,
Aldo
On jue, 2017-09-28 at 18:23 +0200, Kevin Rivrain wrote:
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : « The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. »
Error log message : « guacamole01 guacd[1453]: Error handling RDP file descriptors »
Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server closed connection: Disconnected. »).
What might be the reason for the problem?
Sincerely,
Kevin
RE: Error message when disconnecting a Windows Server 2012
Posted by Kevin Rivrain <Ke...@netplus.fr>.
Hello Aldo,
I do not think this is a user session problem. Indeed, my first tests were on a Windows Server 2012 with RDS function (to allow more than 2 sessions), and I was alone for the others.
I have tested with a Windows Server 2016 today, and I have the same problem. I have realized 4 tests, on a Windows 2008 production server, a Windows 2012 R2 production server, a Windows 2012 R2 new test server and a Windows 2016 new test server.
To resume, when I select “sign out/log off” or “disconnect” from Windows interface:
- OK message on Guacamole interface for Windows 2008 R2 : “You have been disconnected. »
- NOK message on Guacamole interface for Windows 2012 R2/2016 : “The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs.” and there is a reconnection timer. And this message is present on journalctl for Guacamole : “Error handling RDP file descriptors”.
And, if I try to connect with another RDP tool with the same account on a server where I’m already connected with Guacamole:
- Normal message on Guacamole interface for Windows 2008 R2 : “The remote desktop server has closed the connection because it conflicts with another connection. Please try again later.”
- Anormal message on Guacamole interface for Windows 2012 R2/2016 : “The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs.” and there is a reconnection timer. And this message is present on journalctl for Guacamole : “Error handling RDP file descriptors”.
Sincerely,
Kevin
De : Aldo Bassanini [mailto:abassanini@gmail.com]
Envoyé : mercredi 4 octobre 2017 19:58
À : user@guacamole.incubator.apache.org
Objet : Re: Error message when disconnecting a Windows Server 2012
Hello Kevin
Win2012R2 allows only two sessions from the same username. Is this the problem you mention?
--
Saludos,
Aldo
On jue, 2017-09-28 at 18:23 +0200, Kevin Rivrain wrote:
Hello everyone,
I have a problem when disconnecting a Windows Server 2012. Indeed, this message appear : « The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs. »
Error log message : « guacamole01 guacd[1453]: Error handling RDP file descriptors »
Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server closed connection: Disconnected. »).
What might be the reason for the problem?
Sincerely,
Kevin
Re: Error message when disconnecting a Windows Server 2012
Posted by Aldo Bassanini <ab...@gmail.com>.
Hello Kevin
Win2012R2 allows only two sessions from the same username. Is this the problem
you mention?
--
Saludos,
Aldo
On jue, 2017-09-28 at 18:23 +0200, Kevin Rivrain wrote:
> Hello everyone,
>
> I have a problem when disconnecting a Windows Server 2012. Indeed, this
> message appear : « The remote desktop server is currently unavailable. If the
> problem persists, please notify your system administrator, or check your
> system logs. »
>
> Error log message : « guacamole01 guacd[1453]: Error handling RDP file
> descriptors »
>
> Isn’t present on Windows 2008 (log : « guacamole01 guacd[1436]: RDP server
> closed connection: Disconnected. »).
>
> What might be the reason for the problem?
>
> Sincerely,
> Kevin
>