Hey, When I run Spark on Alluxio, I encounter the following error. How can I fix this? Thanks
Lost task 63.0 in stage 0.0 (TID 63, 172.28.172.165, executor 7): java.io.lOException: java.util.concurrent.ExecutionExcep tion: java.nio.channels.ClosedC hannelException Best, Andy Li
