i am running a streaming job on CDH cluster and get error, and the cdh spark version is 1.2.0-cdh5.3.8, but i need spark2.1.0, so i have downloaded the apache spark and builded it(spark version: 2.1.0-cdh5.3.8,hadoop version=2.5.0-cdh5.3.8). i am running a streaming job on CDH cluster and