hvoynov opened a new issue, #11258:
URL: https://github.com/apache/maven/issues/11258
### Affected version
3.9.11
### Bug description
Maven 3.9.11 reads the maven.properties file using the system's default
encoding instead of UTF-8, causing issues with non-ASCII characters (e.g.,
Cyrillic). This leads to incorrect processing of properties containing such
characters.
# To Reproduce
Create a maven.properties file with non-ASCII characters (e.g., key=ая).
Run Maven with mvn -version or any command that loads maven.properties.
You will get following:
```
[ERROR] Error executing Maven.
java.io.UncheckedIOException: java.nio.charset.UnmappableCharacterException:
Input length = 1
at java.io.BufferedReader$1.hasNext(BufferedReader.java:574)
at java.util.Iterator.forEachRemaining(Iterator.java:115)
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:546)
at
java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260)
at
java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438)
at org.apache.maven.cli.MavenCli.cli(MavenCli.java:386)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:272)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:206)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:255)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:201)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:361)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:314)
Caused by: java.nio.charset.UnmappableCharacterException: Input length = 1
at java.nio.charset.CoderResult.throwException(CoderResult.java:282)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:161)
at java.io.BufferedReader.readLine(BufferedReader.java:324)
at java.io.BufferedReader.readLine(BufferedReader.java:389)
at java.io.BufferedReader$1.hasNext(BufferedReader.java:571)
... 18 more
```
# Expected behavior
Maven should read maven.properties in UTF-8 encoding by default to properly
handle non-ASCII characters.
Explicitly setting -Dfile.encoding=UTF-8 in MAVEN_OPTS/jvm.config resolves
the issue for maven.properties. Explicitly setting -Dfile.encoding=windows-1251
(also tested with BIG5) in MAVEN_OPTS can be used for reproduce.
# Environment
Windows 10,
file.encoding=windows-1251
Java version: 1.8.0
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