[maven-4.0.x] Fix maven.mainClass property missing for external tools (#10998) #11007
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Fixes apache#10996 When external tools like IntelliJ launch Maven directly using the ClassWorlds launcher without setting the maven.mainClass system property, Maven fails with 'No such property: maven.mainClass'. This change adds a default value for maven.mainClass in m2.conf so that external tools can launch Maven without needing to know about this property. The default value is org.apache.maven.cling.MavenCling which is the standard Maven CLI entry point. The fix maintains backward compatibility - Maven launcher scripts continue to work normally by setting the property explicitly, while external tools now have a sensible default. (cherry picked from commit 4e50e95)
elharo
approved these changes
Aug 2, 2025
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