[JENKINS] Lucene-Solr-8.x-Solaris (64bit/jdk1.8.0) - Build # 325 - Failure!

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

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-8.x-Solaris/325/
Java: 64bit/jdk1.8.0 -XX:-UseCompressedOops -XX:+UseG1GC

All tests passed

Build Log:
[...truncated 56561 lines...]
  [javadoc] Generating Javadoc
  [javadoc] Javadoc execution
  [javadoc] Loading source files for package org.apache.lucene.analysis.ja...
  [javadoc] Loading source files for package org.apache.lucene.analysis.ja.dict...
  [javadoc] Loading source files for package org.apache.lucene.analysis.ja.tokenattributes...
  [javadoc] Loading source files for package org.apache.lucene.analysis.ja.util...
  [javadoc] Constructing Javadoc information...
  [javadoc] Standard Doclet version 1.8.0_221
  [javadoc] Building tree for all the packages and classes...
  [javadoc] /export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/util/DictionaryBuilder.java:36: error: unknown tag: lucene.experimenal
  [javadoc]  * @lucene.experimenal
  [javadoc]    ^
  [javadoc] Building index for all the packages and classes...
  [javadoc] Building index for all classes...
  [javadoc] Generating /export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/build/docs/analyzers-kuromoji/help-doc.html...
  [javadoc] Note: Custom tags that were not seen:  @lucene.internal
  [javadoc] 1 error

BUILD FAILED
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/build.xml:634: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/build.xml:101: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/build.xml:142: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/build.xml:250: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/common-build.xml:2272: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/analysis/build.xml:141: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/analysis/build.xml:38: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/analysis/analysis-module-build.xml:37: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/module-build.xml:87: The following error occurred while executing this line:
/export/home/jenkins/workspace/Lucene-Solr-8.x-Solaris/lucene/common-build.xml:2201: Javadoc returned 1

Total time: 123 minutes 51 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting ANT_1_8_2_HOME=/export/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2