Re: ClassCastException in Spark3.5 when submit job to an old yarn cluster using netty 4.1.17

Hi Smokeriu, Please verify if there are conflicting netty jars by adding the below configurations at the cluster level to print more logs to identify the jars from which the class is loaded. spark.executor.extraJavaOptions=-verbose:class spark.driver.extraJavaOptions=-verbose:class regards, Guru

Re: [SPARK CORE] Incompatible configuration used between Spark and HBaseTestingUtility

Hi Evelina, Please verify if following compatibility and support matrix helps: Spark Scala Version Compatibility Matrix: https://community.cloudera.com/t5/Community-Articles/Spark-Scala-Version-Compatibility-Matrix/ta-p/383713 Spark and Java versions Supportability Matrix: https://community.clou