Failed build from source (mvn clean install) with devnation branch

Description of problem: I cannot build che from github source with devnation branch. I read this article and want to try language server. Che version: branch/devnation Che install directory: /root/Documents/che Docker version: NA Java version:

$ java -version
java version "1.8.0_92"
Java(TM) SE Runtime Environment (build 1.8.0_92-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.92-b14, mixed mode)

maven version

# mvn -v
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-11T01:41:47+09:00)
Maven home: /opt/apache-maven-3.3.9
Java version: 1.8.0_92, vendor: Oracle Corporation
Java home: /usr/java/jdk1.8.0_92/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-327.18.2.el7.x86_64", arch: "amd64", family: "unix"

Environment details (AWS, VirtualBox, physical, etc.): RHEV How reproducible: always Steps to Reproduce:

$ git clone https://github.com/eclipse/che.git
$ cd che
$ git checkout devnation
$ mvn clean install

Actual Results:

INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Che IDE :: Parent .................................. SUCCESS [  8.248 s]
[INFO] Che Workspace Agent War Packaging .................. FAILURE [  1.379 s]
[INFO] Che Assembly Workspace Agent Server ................ SKIPPED
[INFO] Che IDE :: Compiling GWT Application ............... SKIPPED
[INFO] Che IDE :: Compiling WS Master WAR ................. SKIPPED
[INFO] Che IDE :: Assemblies Tomcat ....................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.511 s
[INFO] Finished at: 2016-06-29T16:09:36+09:00
[INFO] Final Memory: 47M/1128M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project assembly-wsagent-war: Could not resolve dependencies for project org.eclipse.che:assembly-wsagent-war:war:4.4.0-RC1-SNAPSHOT: The following artifacts could not be resolved: org.eclipse.che.plugin:che-plugin-languageserver-server:jar:4.4.0-RC1-SNAPSHOT, org.eclipse.che.plugin:che-plugin-languageserver-shared:jar:4.4.0-RC1-SNAPSHOT: Failure to find org.eclipse.che.plugin:che-plugin-languageserver-server:jar:4.4.0-RC1-SNAPSHOT in https://maven.codenvycorp.com/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of codenvy-public-repo has elapsed or updates are forced -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :assembly-wsagent-war

I can’t find org.eclipse.che.plugin:che-plugin-languageserver-server:jar:4.4.0-RC1-SNAPSHOT on the server https://maven.codenvycorp.com/content/groups/public/.

Expected Results: build success (and run)

[TylerJewell]

It’s in master. We will share more details on checonf tomorrow.

[chetanladdha]

I am not able to find ‘devnation’ branch. Does someone deleted it ? Where I can see Xtext language server installed ?