fix for building on java 11 and above

build.sc

@@ -111,6 +111,33 @@ object astral extends Module
       def ivyDeps = Agg(
         ivy"org.apache.spark::spark-sql::3.4.1",
       )
+
+        def internalJavaVersion = T {
+    try {
+      val jvm = System.getProperties().getProperty("java.version")
+      println(f"Running Vizier with `${jvm}`")
+      jvm.split("\\.")(0).toInt
+    } catch {
+      case _:NumberFormatException | _:ArrayIndexOutOfBoundsException => 
+        println("Unable to retrieve java version.  Guessing 11+")
+        11
+    }
+  }
+
+  def forkArgs = T {
+    if(internalJavaVersion() >= 11){
+      Seq(
+        // Required on Java 11+ for Arrow compatibility
+        // per: https://spark.apache.org/docs/latest/index.html
+        "-Dio.netty.tryReflectionSetAccessible=true",
+
+        // Required for Spark on java 11+
+        // per: https://stackoverflow.com/questions/72230174/java-17-solution-for-spark-java-lang-noclassdeffounderror-could-not-initializ
+        "--add-exports", "java.base/sun.nio.ch=ALL-UNNAMED",
+        "--add-opens", "java.base/sun.nio.ch=ALL-UNNAMED",
+      )
+    } else { Seq[String]() }
+  }
     }
   }
 }