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https://issues.apache.org/jira/browse/MJAVADOC-544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16709161#comment-16709161
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Hudson commented on MJAVADOC-544:
---------------------------------
Build failed in Jenkins: Maven TLP » maven-javadoc-plugin » master #84
See
https://builds.apache.org/job/maven-box/job/maven-javadoc-plugin/job/master/84/
> Changed behaviour of Javadoc for temporary files encoding (options, argfile,
> ...)
> ---------------------------------------------------------------------------------
>
> Key: MJAVADOC-544
> URL: https://issues.apache.org/jira/browse/MJAVADOC-544
> Project: Maven Javadoc Plugin
> Issue Type: Bug
> Components: javadoc
> Affects Versions: 3.0.1
> Environment: JDK9+, Windows
> Reporter: Michael Stumpf
> Assignee: Robert Scholte
> Priority: Major
> Fix For: 3.0.2
>
>
> With JDK9 the behaviour of javadoc has apparently changed (at least on
> Windows platform).
> In a project with special characters (umlaut) in the organization name the
> content of the options file was written with the default platform encoding
> (cp1252).
> As a result, the javadoc generation fails on javadoc execution with "Exit
> code: 1 - javadoc: error - cannot read Input length = 1".
> With JDK8 javadoc generation works.
> It also succeeds with JDK9 and setting the environment variable:
> JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF-8
> However, this should not be necessary, and maven-javadoc-plugin should work
> out of the box.
>
> h6. Cause:
> After some tests it appears to be the case that the JDK9 Javadoc reads
> @-files always with UTF-8 charset, regardless of platform encoding.
> I looked into the issue and prepared a patch for the plugin when working with
> JDK9+ and added two tests for the temporary files options and argfile.
> To my knowledge, the temporary file "packages" cannot contain special
> characters, since this isn't allowed in the java specification, so no
> workaround is added.
> The file javadoc.bat is not affected (a test with a JDK in the directory
> "C:\jdk9äöüß" worked with the file being platform encoded).
> h6.
> Resolution:
> I'll try to create a pull request from
> https://github.com/michael-st/maven-javadoc-plugin
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