[jira] [Commented] (LUCENE-7651) Javadocs build fails with Java 8 update 121

["Uwe Schindler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-7651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15833398#comment-15833398 ] 

Uwe Schindler commented on LUCENE-7651:
---------------------------------------

I se to "critical", because this also breaks our latest release 6.4, which can't be build from source with Java 8 update 121.

> Javadocs build fails with Java 8 update 121
> -------------------------------------------
>
>                 Key: LUCENE-7651
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7651
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: general/javadocs
>         Environment: Java 8 update 121
>            Reporter: Uwe Schindler
>            Priority: Critical
>
> Oracle released the recent Java 8 security update (u121). The Jenkins builds fail with the following error while building the Javadocs:
> {noformat}
>   [javadoc] Constructing Javadoc information...
>   [javadoc] javadoc: error - Argument for -bottom contains JavaScript.
>   [javadoc] Use --allow-script-in-comments to allow use of JavaScript.
>   [javadoc] 1 error
> {noformat}
> This is caused by the Javascript added to pretty-print code examples. We load this in the page footer "{{<bottom>}}" parameter.
> Surely, it will be posisble to simply add the mentioned argument, but this will break builds with earlier Java 8 versions.
> This is nowhere documented, I haven't seen any documentation about this flag nowhere, so I assume this is a bug in Java. They can't change or add command line parameters in minor updates of Java 8. I will ask on the OpenJDK mailing lists if this is a bug (maybe accidentally backported from Java 9).



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