HyukjinKwon opened a new pull request #25633: [SPARK-28759][BUILD] Upgrade scala-maven-plugin to 4.2.0 and fix build profile on AppVeyor URL: https://github.com/apache/spark/pull/25633 ### What changes were proposed in this pull request? This PR proposes to upgrade scala-maven-plugin from 3.4.4 to 4.2.0. Upgrade to 4.1.1 was reverted due to unexpected build failure on AppVeyor. The root cause seems to be an issue specific to AppVeyor - loading the system library 'kernel32.dll' seems being failed. ``` Suppressed: java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.platform.win32.Kernel32 at sbt.internal.io.WinMilli$.getHandle(Milli.scala:264) at sbt.internal.io.WinMilli$.getModifiedTimeNative(Milli.scala:289) at sbt.internal.io.WinMilli$.getModifiedTimeNative(Milli.scala:260) at sbt.internal.io.MilliNative.getModifiedTime(Milli.scala:61) at sbt.internal.io.Milli$.getModifiedTime(Milli.scala:360) at sbt.io.IO$.$anonfun$getModifiedTimeOrZero$1(IO.scala:1373) at scala.runtime.java8.JFunction0$mcJ$sp.apply(JFunction0$mcJ$sp.java:23) at sbt.internal.io.Retry$.liftedTree2$1(Retry.scala:38) at sbt.internal.io.Retry$.impl$1(Retry.scala:38) at sbt.internal.io.Retry$.apply(Retry.scala:52) at sbt.internal.io.Retry$.apply(Retry.scala:24) at sbt.io.IO$.getModifiedTimeOrZero(IO.scala:1373) at sbt.internal.inc.caching.ClasspathCache$.fromCacheOrHash$1(ClasspathCache.scala:44) at sbt.internal.inc.caching.ClasspathCache$.$anonfun$hashClasspath$1(ClasspathCache.scala:53) at scala.collection.parallel.mutable.ParArray$Map.leaf(ParArray.scala:659) at scala.collection.parallel.Task.$anonfun$tryLeaf$1(Tasks.scala:53) at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23) at scala.util.control.Breaks$$anon$1.catchBreak(Breaks.scala:67) at scala.collection.parallel.Task.tryLeaf(Tasks.scala:56) at scala.collection.parallel.Task.tryLeaf$(Tasks.scala:50) at scala.collection.parallel.mutable.ParArray$Map.tryLeaf(ParArray.scala:650) at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask.internal(Tasks.scala:170) ... 25 more ``` By setting `-Djna.nosys=true`, it directly loads the library from the jar instead of system's. In this way, the build seems working fine. ### Why are the changes needed? It upgrades the plugin to fix bugs and fixes the CI build. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? It was tested at https://github.com/apache/spark/pull/25497
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