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commit ff8321280bc720c777a73b71ab2850ba12285f0c Author: Guillaume Nodet <[email protected]> AuthorDate: Thu Dec 4 11:27:44 2025 +0100 Fix Windows jvm.config parsing and add debug logging to scripts - mvn.cmd: Use 'cmd /c' to run JvmConfigParser in a subshell, ensuring file handles are properly released before reading the temp file. The previous 'for /f' with backticks approach did not correctly capture the Java output on Windows. - mvn, mvn.cmd: Add debug logging controlled by MAVEN_DEBUG_SCRIPT environment variable. When set, both scripts will output detailed information about jvm.config parsing, including: - Path to jvm.config file - Java command and arguments - Parser exit code and output - Final MAVEN_OPTS/JVM_CONFIG_MAVEN_OPTS value - Full JVM command line before launching Maven This helps diagnose jvm.config issues on CI systems where the log files are the primary debugging tool. --- apache-maven/src/assembly/maven/bin/mvn | 5 +++++ apache-maven/src/assembly/maven/bin/mvn.cmd | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/apache-maven/src/assembly/maven/bin/mvn b/apache-maven/src/assembly/maven/bin/mvn index ff15c210a1..1a8e6a2fdc 100755 --- a/apache-maven/src/assembly/maven/bin/mvn +++ b/apache-maven/src/assembly/maven/bin/mvn @@ -294,4 +294,9 @@ for arg in "$@"; do cmd="$cmd \"$arg\"" done +if [ -n "$MAVEN_DEBUG_SCRIPT" ]; then + echo "[DEBUG] Launching JVM with command:" >&2 + echo "[DEBUG] $cmd" >&2 +fi + eval exec "$cmd" diff --git a/apache-maven/src/assembly/maven/bin/mvn.cmd b/apache-maven/src/assembly/maven/bin/mvn.cmd index d797c8f084..10f3467b2d 100644 --- a/apache-maven/src/assembly/maven/bin/mvn.cmd +++ b/apache-maven/src/assembly/maven/bin/mvn.cmd @@ -272,6 +272,11 @@ for %%i in ("%MAVEN_HOME%"\boot\plexus-classworlds-*) do set LAUNCHER_JAR="%%i" set LAUNCHER_CLASS=org.codehaus.plexus.classworlds.launcher.Launcher if "%MAVEN_MAIN_CLASS%"=="" @set MAVEN_MAIN_CLASS=org.apache.maven.cling.MavenCling +if defined MAVEN_DEBUG_SCRIPT ( + echo [DEBUG] Launching JVM with command: + echo [DEBUG] "%JAVACMD%" %INTERNAL_MAVEN_OPTS% %MAVEN_OPTS% %JVM_CONFIG_MAVEN_OPTS% %MAVEN_DEBUG_OPTS% --enable-native-access=ALL-UNNAMED -classpath %LAUNCHER_JAR% "-Dclassworlds.conf=%CLASSWORLDS_CONF%" "-Dmaven.home=%MAVEN_HOME%" "-Dmaven.mainClass=%MAVEN_MAIN_CLASS%" "-Dlibrary.jline.path=%MAVEN_HOME%\lib\jline-native" "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %LAUNCHER_CLASS% %MAVEN_ARGS% %* +) + "%JAVACMD%" ^ %INTERNAL_MAVEN_OPTS% ^ %MAVEN_OPTS% ^
