当遇到“failed to initialize spark session”错误时,可以按照以下步骤进行排查和解决: 检查SparkSession初始化代码: 确保SparkSession的初始化代码是正确的。以下是一个基本的SparkSession初始化示例: python from pyspark.sql import SparkSession spark = Spark
$ pyspark2 Using Python version 3.6.1 (default, Jul 27 2017 11:07:01) sparkSession available as 'spark'. >>> strings=['old'] >>> s2=sc.parallelize(strings) >>> s3=s2.map(lambda x:x.upper()) >>> s3.collect() [Stage 0:> (0 + 0) / 2]17/07/27 14:52:18...
from pyspark.sql import SparkSession, Row Initialize Spark session with Iceberg JDBC catalog configuration spark = SparkSession.builder .appName("udaydemo-app") .config('spark.jars.packages', 'org.apache.iceberg:iceberg-spark-runtime-3.5_2.12:1.5.2,org.postgresql:postgresql:42.2.23,org.apache.ic...
Exception in thread "main" org.apache.spark.SparkException: Application application_1574702307465_5363 finished with failed status at org.apache.spark.deploy.yarn.Client.run(Client.scala:1158) at org.apache.spark.deploy.yarn.YarnClusterApplication.start(Client.scala:1606) at org.apache.spark.deploy.S...