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我正在使用Cloudera quickstart VM来测试一些pyspark的工作。对于一项任务,我需要添加spark-csv包。这里是我做过什么:在Cloudera VM中添加spark-csv软件包的问题
PYSPARK_DRIVER_PYTHON=ipython pyspark -- packages com.databricks:spark-csv_2.10:1.3.0
pyspark开始了罚款,但我没有得到警告,如:
**16/02/09 17:41:22 WARN util.Utils: Your hostname, quickstart.cloudera resolves to a loopback address: 127.0.0.1; using 10.0.2.15 instead (on interface eth0)
16/02/09 17:41:22 WARN util.Utils: Set SPARK_LOCAL_IP if you need to bind to another address
16/02/09 17:41:26 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable**
然后我跑我的pyspark代码:
yelp_df = sqlCtx.load(
source="com.databricks.spark.csv",
header = 'true',
inferSchema = 'true',
path = 'file:///directory/file.csv')
但我我收到错误信息:
Py4JJavaError: An error occurred while calling o19.load.: java.lang.RuntimeException: Failed to load class for data source: com.databricks.spark.csv at scala.sys.package$.error(package.scala:27)
会出现什么问题?在此先感谢您的帮助。