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https://issues.apache.org/jira/browse/LUCENE-9747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281602#comment-17281602
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Dawid Weiss commented on LUCENE-9747:
-------------------------------------
I get this with openjdk 14.0.1+7:
{code}
javadoc: error - org.apache.lucene.util (package): javadocs are missing
C:\Work\apache\lucene-solr.master\lucene\core\src\java\org\apache\lucene\analysis\standard\StandardAnalyzer.java:84:
javadoc empty but @Override declared, skipping.
... [lots more warnings]
{code}
But no NPE. Which Java version are you using?
> Missing package-info.java causes NPE in MissingDoclet.java
> ----------------------------------------------------------
>
> Key: LUCENE-9747
> URL: https://issues.apache.org/jira/browse/LUCENE-9747
> Project: Lucene - Core
> Issue Type: Improvement
> Components: general/javadocs
> Affects Versions: master (9.0)
> Reporter: David Eric Pugh
> Priority: Minor
> Attachments: LUCENE-9747.patch
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> When running {{./gradlew :solr:core:javadoc}} discovered that if a package
> directory is missing the {{package-info.java}} file you get a VERY cryptic
> error:
>
> {{javadoc: error - fatal error encountered: java.lang.NullPointerException}}
> {{javadoc: error - Please file a bug against the javadoc tool via the Java
> bug reporting page}}
>
> I poked around and that the {{MissingDoclet.java}} method call to
> \{{reporter.print(Diagnostic.Kind.ERROR, element, fullMessage.toString());}}
> was failing, due to the element having some sort of null in it. I am
> attaching a patch and a PR.
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