[JENKINS] Lucene-Solr-6.x-Linux (64bit/jdk1.8.0_112) - Build # 2455 - Failure!

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

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-6.x-Linux/2455/
Java: 64bit/jdk1.8.0_112 -XX:-UseCompressedOops -XX:+UseConcMarkSweepGC

All tests passed

Build Log:
[...truncated 57124 lines...]
-documentation-lint:
     [echo] checking for broken html...
    [jtidy] Checking for broken html (such as invalid tags)...
   [delete] Deleting directory /home/jenkins/workspace/Lucene-Solr-6.x-Linux/lucene/build/jtidy_tmp
     [echo] Checking for broken links...
     [exec] 
     [exec] Crawl/parse...
     [exec] 
     [exec] Verify...
     [exec] 
     [exec] file:///build/docs/misc/org/apache/lucene/search/DocValuesStats.LongDocValuesStats.html
     [exec]   BROKEN LINK: file:///build/docs/core/org/apache/lucene/search/DocValuesStats.NumericDocValuesStats.html
     [exec] 
     [exec] file:///build/docs/misc/org/apache/lucene/search/DocValuesStats.SortedDoubleDocValuesStats.html
     [exec]   BROKEN LINK: file:///build/docs/core/org/apache/lucene/search/DocValuesStats.SortedNumericDocValuesStats.html
     [exec] 
     [exec] file:///build/docs/misc/org/apache/lucene/search/DocValuesStats.DoubleDocValuesStats.html
     [exec]   BROKEN LINK: file:///build/docs/core/org/apache/lucene/search/DocValuesStats.NumericDocValuesStats.html
     [exec] 
     [exec] file:///build/docs/misc/org/apache/lucene/search/DocValuesStats.SortedLongDocValuesStats.html
     [exec]   BROKEN LINK: file:///build/docs/core/org/apache/lucene/search/DocValuesStats.SortedNumericDocValuesStats.html
     [exec] 
     [exec] Broken javadocs links were found!

BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-6.x-Linux/build.xml:765: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-6.x-Linux/build.xml:101: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-6.x-Linux/lucene/build.xml:138: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-6.x-Linux/lucene/build.xml:151: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-6.x-Linux/lucene/common-build.xml:2478: exec returned: 1

Total time: 67 minutes 9 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