While executing a pipeline by using Beam Spark pipeline engine in HOP GUI, I am getting the below error
"Exception in thread "main" java.lang.reflect.UndeclaredThrowableException
Caused by: org.apache.spark.SparkException: Exception thrown in awaitResult:
Caused by: java.io.IOException: Failed to connect to LAPTOP-XXXXX:51496
Caused by: java.net.UnknownHostException: LAPTOP-XXXXX"
Hop Version: hop-client-0.70-20210217.144449-1