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https://issues.apache.org/jira/browse/KAFKA-4025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15570214#comment-15570214
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ASF GitHub Bot commented on KAFKA-4025:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/1710
> build fails on windows due to rat target output encoding
> --------------------------------------------------------
>
> Key: KAFKA-4025
> URL: https://issues.apache.org/jira/browse/KAFKA-4025
> Project: Kafka
> Issue Type: Bug
> Environment: windows 7, either regular command prompt or git bash
> Reporter: radai rosenblatt
> Priority: Minor
> Fix For: 0.10.1.1
>
> Attachments: windows build debug output.txt
>
>
> kafka runs a rat report during the build, using [the rat ant report
> task|http://creadur.apache.org/rat/apache-rat-tasks/report.html], which has
> no output encoding parameter.
> this means that the resulting xml report is produced using the system-default
> encoding, which is OS-dependent:
> the rat ant task code instantiates the output writer like so
> ([org.apache.rat.anttasks.Report.java|http://svn.apache.org/repos/asf/creadur/rat/tags/apache-rat-project-0.11/apache-rat-tasks/src/main/java/org/apache/rat/anttasks/Report.java]
> line 196):
> {noformat}
> out = new PrintWriter(new FileWriter(reportFile));{noformat}
> which eventually leads to {{Charset.defaultCharset()}} that relies on the
> file.encoding system property. this causes an issue if the default encoding
> isnt UTF-8 (which it isnt on windows) as the code called by
> printUnknownFiles() in rat.gradle defaults to UTF-8 when reading the report
> xml, causing the build to fail with:
> {noformat}
> com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException:
> Invalid byte 1 of 1-byte UTF-8 sequence.{noformat}
> (see complete output of {{gradlew --debug --stacktrace rat}} in attached file)
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