Hi All,
I am trying to test structured streaming using pyspark mentioned below spark
submit commands and packages used
*
pyspark2 --master=yarn --packages
org.apache.spark:spark-sql-kafka-0-10_2.11:2.3.0 --packages
org.apache.kafka:kafka-clients:0.10.0.1*
but getting following error (in bold),
sing Python version 3.6.5 (default, Apr 10 2018 17:08:37)
SparkSession available as 'spark'.
>>> df = spark.readStream.format("kafka").option("kafka.bootstrap.servers",
>>> "pds1:9092,pds2:9092,pds3:9092").option("subscribe", "ingest").load()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/opt/cloudera/parcels/SPARK2-2.3.0.cloudera2-1.cdh5.13.3.p0.316101/lib/spark2/python/pyspark/sql/streaming.py",
line 403, in load
return self._df(self._jreader.load())
File
"/opt/cloudera/parcels/SPARK2-2.3.0.cloudera2-1.cdh5.13.3.p0.316101/lib/spark2/python/lib/py4j-0.10.6-src.zip/py4j/java_gateway.py",
line 1160, in __call__
File
"/opt/cloudera/parcels/SPARK2-2.3.0.cloudera2-1.cdh5.13.3.p0.316101/lib/spark2/python/pyspark/sql/utils.py",
line 63, in deco
return f(*a, **kw)
File
"/opt/cloudera/parcels/SPARK2-2.3.0.cloudera2-1.cdh5.13.3.p0.316101/lib/spark2/python/lib/py4j-0.10.6-src.zip/py4j/protocol.py",
line 320, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o64.load.
*: java.lang.ClassNotFoundException: Failed to find data source: kafka.
Please find packages at http://spark.apache.org/third-party-projects.html*
at
org.apache.spark.sql.execution.datasources.DataSource$.lookupDataSource(DataSource.scala:635)
at
org.apache.spark.sql.streaming.DataStreamReader.load(DataStreamReader.scala:159)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:282)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:214)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: kafka.DefaultSource
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at
org.apache.spark.sql.execution.datasources.DataSource$$anonfun$23$$anonfun$apply$15.apply(DataSource.scala:618)
at
org.apache.spark.sql.execution.datasources.DataSource$$anonfun$23$$anonfun$apply$15.apply(DataSource.scala:618)
at scala.util.Try$.apply(Try.scala:192)
at
org.apache.spark.sql.execution.datasources.DataSource$$anonfun$23.apply(DataSource.scala:618)
at
org.apache.spark.sql.execution.datasources.DataSource$$anonfun$23.apply(DataSource.scala:618)
at scala.util.Try.orElse(Try.scala:84)
at
org.apache.spark.sql.execution.datasources.DataSource$.lookupDataSource(DataSource.scala:618)
... 12 more
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