sun.nio.ch.DirectBuffer.cleaner()Ljdk/internal/ref/Cleaner;

java.lang.NoSuchMethodError: sun.nio.ch.DirectBuffer.cleaner()Ljdk/internal/ref/Cleaner;
	at org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorterSuite.testSortingOnlyByPrefix(UnsafeExternalSorterSuite.java:185)