[JENKINS] Lucene-Solr-7.x-Linux (64bit/jdk1.8.0_144) - Build # 544 - Failure!

[Policeman Jenkins Server <je...@thetaphi.de>]

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-Linux/544/
Java: 64bit/jdk1.8.0_144 -XX:+UseCompressedOops -XX:+UseConcMarkSweepGC

All tests passed

Build Log:
[...truncated 60485 lines...]
-documentation-lint:
    [jtidy] Checking for broken html (such as invalid tags)...
   [delete] Deleting directory /home/jenkins/workspace/Lucene-Solr-7.x-Linux/lucene/build/jtidy_tmp
     [echo] Checking for broken links...
     [exec] 
     [exec] Crawl/parse...
     [exec] 
     [exec] Verify...
     [exec] 
     [exec] file:///home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/docs/quickstart.html
     [exec]   BAD EXTERNAL LINK: https://lucene.apache.org/solr/guide/solr-tutorial.html
     [exec] 
     [exec] Broken javadocs links were found! Common root causes:
     [exec] * A typo of some sort for manually created links.
     [exec] * Public methods referencing non-public classes in their signature.

BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/build.xml:826: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/build.xml:101: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build.xml:669: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build.xml:682: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/lucene/common-build.xml:2570: exec returned: 1

Total time: 96 minutes 48 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any