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l0ng-aiтаDPhngNam e8d1c45970 fix(run): UTF-8 default charset for application JVMs forked by Maven and Gradle on Windows (#751)
* fix(run): give the spring-boot:run fork a UTF-8 default charset on Windows

On Windows, mvn spring-boot:run passes the stdout/stderr encoding properties to the
forked application JVM through JAVA_TOOL_OPTIONS, but not file.encoding (it would
change how Maven reads sources). On JDK 8-17, logback / log4j2 console appenders
encode with the default charset (GBK on Chinese Windows) and ignore stdout.encoding,
so Chinese log lines showed as U+FFFD in the UTF-8 Run console.

For a Maven launch with a spring-boot:run goal and a UTF-8 console, add
-Dfile.encoding=UTF-8 to -Dspring-boot.run.jvmArguments, merged into the user's
VM options. It reaches only the forked JVM; Maven's own JVM is unchanged. A
file.encoding the user set (in jvmArguments or JAVA_TOOL_OPTIONS) wins.

Fixes #697

* fix(run): give Gradle JavaExec forks a UTF-8 default charset on Windows

Applications started by Gradle (bootRun, run, custom JavaExec tasks) kept the
ANSI default charset (GBK on Chinese Windows, JDK 8-17) while the Run console
decodes UTF-8. Code that converts text with the default charset then breaks:
Nacos config with Chinese text fails to parse (MalformedInputException) and
logback/log4j2 console output is garbled.

For a UTF-8 console on Windows, a Gradle launch now gets an init script that
adds -Dfile.encoding=UTF-8 to each JavaExec task when it runs, unless the task
or JAVA_TOOL_OPTIONS already sets file.encoding. Gradle's own JVM and compiler
source encoding are unchanged. Maven and Gradle are told apart so the
spring-boot:run rewrite only applies to Maven.

* fix(run): set Gradle charset before build task configuration

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Co-authored-by: DPhngNam <[email protected]>
2026-11-03 23:54:01 +08:00
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