[JENKINS] Lucene » Lucene-Solr-NightlyTests-8.x - Build # 331 - Failure!

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Build: https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-NightlyTests-8.x/331/

All tests passed

Build Log:
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-documentation-lint:
    [jtidy] Checking for broken html (such as invalid tags)...
   [delete] Deleting directory /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/jtidy_tmp
     [echo] Checking for broken links...
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     [exec] Crawl/parse...
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     [exec] Verify...
     [echo] Checking for malformed docs...
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     [exec] /home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/solr/build/docs/solr-test-framework/overview-summary.html
     [exec]   missing description: org.apache.solr.cloud.api.collections
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     [exec] Missing javadocs were found!

BUILD FAILED
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/build.xml:637: The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/build.xml:100: The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/solr/build.xml:624: The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/solr/build.xml:640: The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/lucene/common-build.xml:2523: exec returned: 1

Total time: 324 minutes 56 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Recording test results
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