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https://issues.apache.org/jira/browse/LUCENE-9490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17187345#comment-17187345
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Uwe Schindler commented on LUCENE-9490:
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I know, it's the other task:
{noformat}
> Task :lucene:core:checkMissingDocsDefault SKIPPED
Skipping task because runtime Java version 15 is higher than Java 14.
> Task :lucene:core:checkMissingDocsMethod FAILED
{noformat}
Looks like both need to be disabled. Will commit a fix.
> gradlew checkMissingDocsDefault fails on JDK 15 or later
> --------------------------------------------------------
>
> Key: LUCENE-9490
> URL: https://issues.apache.org/jira/browse/LUCENE-9490
> Project: Lucene - Core
> Issue Type: Bug
> Components: general/javadocs
> Affects Versions: master (9.0)
> Reporter: Uwe Schindler
> Assignee: Dawid Weiss
> Priority: Major
> Labels: Java15
> Attachments: LUCENE-9490.patch, screen-[1].png
>
>
> All Policeman Jenkins Jobs fail on the EA build with Java 15. Reason is that
> the task {{checkMissingDocsDefault}} fails due to "missing documentation":
> {noformat}
> 1: Task failed with an exception.
> -----------
> * Where:
> Script
> '/home/jenkins/workspace/Lucene-Solr-master-Linux/gradle/validation/missing-docs-check.gradle'
> line: 105
> * What went wrong:
> Execution failed for task ':lucene:classification:checkMissingDocsDefault'.
> > Javadoc verification failed:
> Traceback (most recent call last):
> File
> "/home/jenkins/workspace/Lucene-Solr-master-Linux/dev-tools/scripts/checkJavaDocs.py",
> line 388, in <module>
> if checkPackageSummaries(sys.argv[1], level):
> File
> "/home/jenkins/workspace/Lucene-Solr-master-Linux/dev-tools/scripts/checkJavaDocs.py",
> line 368, in checkPackageSummaries
> if checkClassSummaries(fullPath):
> File
> "/home/jenkins/workspace/Lucene-Solr-master-Linux/dev-tools/scripts/checkJavaDocs.py",
> line 227, in checkClassSummaries
> raise RuntimeError('failed to locate javadoc item in %s, line %d? last
> line: %s' % (fullPath, lineCount, line.rstrip()))
> RuntimeError: failed to locate javadoc item in
> /home/jenkins/workspace/Lucene-Solr-master-Linux/lucene/classification/build/docs/javadoc/org/apache/lucene/classification/ClassificationResult.html,
> line 135? last line: </tr>
> * Try:
> Run with --stacktrace option to get the stack trace. Run with --info or
> --debug option to get more log output. Run with --scan to get full insights.
> ==============================================================================
> {noformat}
> Interestingly, it doe snot fail on all subprojects. It looks like JDK15
> changed the HTML output and so the checks are failing.
> With the Ant build this was not a problem, as we disabled this task (and all
> other documentation-lint tasks), if running with an unsupported JDK version.
> It's very har to rely on HTML output, as this can change on every JDK version.
> We have 2 options:
> - Maybe fix some regular expression in the python script (sorry I have no
> idea on python and what's the problem)
> - Disable the python-linter tasks as we did in Ant, when the java version (of
> RUNTIME_JAVA_HOME) is outside our expectations!
> My personal opinion is to handle this in same way like Ant: Disable the
> documentation-linter for any RUNTIME_JAVA_HOME version later than our
> supported one. Or maybe disable it always when we use an alternative JDK?
> That's easiest to check when bulding task dependencies in Gradle, IMHO,
> whenever an alternate Java Home is given. If the alternative JVM is the same
> as Gradle's it would be kept enabled anyways, so the ideal place for this
> would be here:
> https://github.com/apache/lucene-solr/blob/master/gradle/testing/alternative-jdk-support.gradle#L52-L71
> Just add another {{tasks.withType()}}. and set {{task.enabled = false}}.
> [~dawid.weiss], [~tomoko]: Any ideas or recommendation?
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