radai rosenblatt created KAFKA-4025:
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Summary: 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, wither regular command prompt or git bash
Reporter: radai rosenblatt
Priority: Minor
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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