[weld-builds] Build failed in Jenkins: Weld-2.x-docs #2723

[ci-builds at redhat.com]

See <http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/2723/>

------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on dev90 (EAP-RHEL7 hwavirt mem2G mwqa_drives_services mem4G non-vmware-x86_64 RHEL_SW mwqa_drives_tools mwqa_test_ips general non-vmware x86_64 linux RHEL-any RHEL unix RHEL7 linux-express-lane) in workspace <http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url git://github.com/weld/core.git # timeout=10
Fetching upstream changes from git://github.com/weld/core.git
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress git://github.com/weld/core.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse origin/2.4^{commit} # timeout=10
Checking out Revision 8ba5c0e8e9208aef982bf864301a70db08abaf76 (origin/2.4)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 8ba5c0e8e9208aef982bf864301a70db08abaf76
 > git rev-list 8ba5c0e8e9208aef982bf864301a70db08abaf76 # timeout=10
 > git tag -a -f -m Jenkins Build #2723 jenkins-Weld-2.x-docs-2723 # timeout=10
[Weld-2.x-docs] $ /qa/tools/opt/apache-maven-3.3.9/bin/mvn -f docs/reference/pom.xml clean install
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Weld Reference Guide 2.4.9-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ weld-reference-guide ---
[INFO] Deleting <http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/docs/reference/target>
[INFO] 
[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce) @ weld-reference-guide ---
[INFO] 
[INFO] --- build-helper-maven-plugin:1.12:maven-version (default) @ weld-reference-guide ---
[INFO] 
[INFO] --- build-helper-maven-plugin:1.12:parse-version (default) @ weld-reference-guide ---
[INFO] 
[INFO] --- maven-resources-plugin:3.0.1:copy-resources (copy-resources) @ weld-reference-guide ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.4:create (set-build-properties) @ weld-reference-guide ---
[INFO] Executing: /bin/sh -c cd '<http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/docs/reference'> && 'git' 'rev-parse' '--verify' 'HEAD'
[INFO] Working directory: <http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/docs/reference>
[INFO] Storing buildNumber: 8ba5c0e8e9208aef982bf864301a70db08abaf76 at timestamp: November 25, 2018 7:14:05 PM UTC
[WARNING] Cannot get the branch information from the git repository: 
Detecting the current branch failed: fatal: ref HEAD is not a symbolic ref

[INFO] Executing: /bin/sh -c cd '<http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/docs/reference'> && 'git' 'rev-parse' '--verify' 'HEAD'
[INFO] Working directory: <http://jenkins.hosts.mwqe.eng.bos.redhat.com/hudson/job/Weld-2.x-docs/ws/docs/reference>
[INFO] Storing buildScmBranch: UNKNOWN
[INFO] 
[INFO] --- asciidoctor-maven-plugin:0.1.4:process-asciidoc (output-docbook) @ weld-reference-guide ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.096 s
[INFO] Finished at: 2018-11-25T19:14:07+00:00
[INFO] Final Memory: 28M/320M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.asciidoctor:asciidoctor-maven-plugin:0.1.4:process-asciidoc (output-docbook) on project weld-reference-guide: Execution output-docbook of goal org.asciidoctor:asciidoctor-maven-plugin:0.1.4:process-asciidoc failed: (LoadError) no such file to load -- asciidoctor -> [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/PluginExecutionException
Build step 'Invoke top-level Maven targets' marked build as failure
Archiving artifacts