MapR [SPARK-1294] DStream doesn't start on Spark 3.5.1 and Core 7.8.0 combination (apache#1204)

Author: ekrivokonmapr

conf/spark-defaults.conf

@@ -1,6 +1,9 @@
 # Default system properties included when running spark-submit.
 # This is useful for setting default environmental settings.
 
+# SPARK-1294 workaround, needs to be removed for Core < 7.7.0
+spark.hadoop.streams.async.subscription.callback.enabled true
+
 # Log effective Spark configuration at startup on INFO level
 spark.logConf                      true