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From Nick Couchman <nick.couch...@yahoo.com>
Subject Re: ACTION REQUIRED : CLIPBOARD Redirection not Working in guacamole-server-0.9.13-incubating
Date Wed, 23 Aug 2017 12:37:42 GMT
On Wednesday, August 23, 2017, 1:53:38 AM EDT, Amarjeet Singh <amarjeetxc@gmail.com>
wrote:


> Hi Team,

> I did the fresh installation of Guacamole client and server. While building ( mvn package
) client there is a Build Failure. below are the errors : - 

> 
>>> [INFO] guacamole-common ................................... SUCCESS [  9.345
s]
>>> [INFO] guacamole-ext ...................................... SUCCESS [  7.292
s]
>>> [INFO] guacamole-common-js ................................ SUCCESS [  1.030
s]
>>> [INFO] guacamole .......................................... SUCCESS [ 13.921
s]
>>> [INFO] guacamole-auth-cas ................................. FAILURE [ 20.483
s]
>>> [INFO] guacamole-auth-duo ................................. SKIPPED
>>> [INFO] guacamole-auth-header .............................. SKIPPED
>>> [INFO] guacamole-auth-jdbc ................................ SKIPPED
>>> [INFO] guacamole-auth-jdbc-base ........................... SKIPPED
>>> [INFO] guacamole-auth-jdbc-mysql .......................... SKIPPED
>>> [INFO] guacamole-auth-jdbc-postgresql ..................... SKIPPED
>>> [INFO] guacamole-auth-jdbc-dist ........................... SKIPPED
>>> [INFO] guacamole-auth-ldap ................................ SKIPPED
>>> [INFO] guacamole-auth-noauth .............................. SKIPPED
>>> [INFO] guacamole-example .................................. SKIPPED
>>> [INFO] guacamole-playback-example ......................... SKIPPED
>>> [INFO] guacamole-client ................................... SKIPPED
> 
>> [ERROR] Failed to execute goal on project guacamole-auth-cas: Could not resolve dependencies
for project org.apache.guacamole:guacamole-auth-cas:jar:0.9.13-incubating: Failed to collect
dependencies at org.jasig.cas.client:cas-client-core:jar:3.4.1: Failed to read artifact descriptor
for org.jasig.cas.client:cas-client-core:jar:3.4.1: Could not transfer artifact org.jasig.cas.client:cas-client-core:pom:3.4.1
from/to central (https://repo.maven.apache.org/maven2): repo.maven.apache.org: Name or service
not known: Unknown host repo.maven.apache.org: Name or service not known -> [Help 1]

The build system is telling you what the problem is.  It cannot find the Apache MAVEN repo
mirror.  Make sure the system you're building on has Internet access, and, if you're behind
a proxy server, that you've configured Maven to talk through the proxy server.  It also could
be that that particular mirror was having issues when you tried to build, so just try it,
again.  Or try pointing at a different Maven repo mirror.  But, that's not a Guacamole issue,
per se, it's a generic Maven issue because Maven cannot talk to the repository server to download
the necessary components.

> But, I got the war before this error. 

>> [INFO] Building war: /opt/guacamole-client-0.9.13-incubating/guacamole/target/guacamole-0.9.13-incubating.war

Yes, the build of the core components completed successfully, but none of the extensions got
built.  Correct the Maven repo error and you should get everything.

> I used this war and configured user-mapping.xml. Everything is working fine except Clipboard.

> I am facing following issues : -

>    1.  If  I have data in the local Clipboard ( OS Clipboard ) and then, I am trying
to paste ( Ctrl + V ) it to  Guacamole Client ( on the browser in the RDP of the server )
:- It is not working.
>    2.  I have used Ctrl + Shift + Alt and then it opened the Clipboard section. I
copied the data from the RDP and tried to paste it  but didn't worked.
>    3.  It tried everything but whatever i have copied inside the RDP that is only
pasting inside the RDP not outside it.
>    4.  I tried to disabled the "Do not allow Clipboard redirection" in the server
using gpedit.msc but no results.

> I read the manual as well but of no help.

> I want to do the seamless clipboard redirection ( like in Spark View ) but unable to
do so.  

> Please help me to resolve the above issue. If possible help to to achieve seamless clipboard
redirection as it is the requirement.

It is possible, yes.  I use it every day.  There are three things that you need to check
to make sure Clipboard redirection works seamlessly:- Depending on your Linux distribution,
you may need to install the specific freerdp-plugins package.  I run CentOS 7, and it is
called freerdp-plugins.- There are a handful of libraries built with guacamole server (guacd)
that needs to be in the correct place on the server running guacd.  When they are installed,
they show up in your guacd install path, under the lib/freerdp directory.  They need to be
located somewhere where FreeRDP can find them - usually this is in your system library path
under a freerdp directory (for example, for me using CentOS 7 64-bit, it is in /usr/lib64/freerdp).
 Either copy or link the guac*.so files from the guacd install directory to the FreeRDP plugin
directory.- Depending on the browser, you may also need an extension or plugin to support
this.  I use Chrome, and use the Clipboard Permission Manager extension provided by Mike
@ glyptodon.org.  Due to security restrictions on Chrome, this extension is necessary to
allow the seamless integration.  I'm not certain about other browsers and their support for
it, but I know Chrome requires it.
-Nick
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