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https://issues.apache.org/jira/browse/LUCENE-7651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15833417#comment-15833417
 ] 

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

This implements first option:

{noformat}
 lucene/common-build.xml | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/lucene/common-build.xml b/lucene/common-build.xml
index 48cf457..61948bb 100644
--- a/lucene/common-build.xml
+++ b/lucene/common-build.xml
@@ -2107,20 +2107,6 @@ 
${ant.project.name}.test.dependencies=${test.classpath.list}
         <link offline="true" href="${javadoc.link}" 
packagelistLoc="${javadoc.packagelist.dir}/java8"/>
         <bottom><![CDATA[
           <i>Copyright &copy; ${year} Apache Software Foundation.  All Rights 
Reserved.</i>
-          <script src='{@docRoot}/prettify.js' type='text/javascript'></script>
-          <script type='text/javascript'>
-            (function(){
-              var oldonload = window.onload;
-              if (typeof oldonload != 'function') {
-                window.onload = prettyPrint;
-              } else {
-                window.onload = function() {
-                  oldonload();
-                  prettyPrint();
-                }
-              }
-            })();
-          </script>
         ]]></bottom>
         
         <sources />
{noformat}

I checked our sources. We allready append the CSS of prettify to Javadocs's 
main CSS files. As Java 8 contains also a Javadocs-generated scripts.js file, 
we could do the same here. I am working on that...

> 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
>    Affects Versions: 6.4
>         Environment: Java 8 update 121
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>            Priority: Critical
>              Labels: Java8
>
> 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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