from pyspark import SparkContext
from pyspark.streaming import StreamingContext
from pyspark.streaming.kafka import KafkaUtils
sc = SparkContext.getOrCreate()
ssc = StreamingContext(sc, 1)
directKafkaStream = KafkaUtils.createDirectStream(ssc, ["topic"], {"metadata.broker.list":"prd-kafka:9092,prd-kafka1:9092,prd-kafka:9092,"})
Я пытаюсь не подключаться к потоковой передаче с искрой, читать некоторые топики c и писать в формате hdf. Но есть проблема, следуйте ниже
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/cloudera/parcels/CDH-5.9.3-1.cdh5.9.3.p0.4/lib/spark/python/pyspark/streaming/kafka.py", line 152, in createDirectStream
raise e
py4j.protocol.Py4JJavaError: An error occurred while calling o73.createDirectStreamWithoutMessageHandler.
: org.apache.spark.SparkException: java.io.EOFException
java.nio.channels.ClosedChannelException
java.io.EOFException
at org.apache.spark.streaming.kafka.KafkaCluster$$anonfun$checkErrors$1.apply(KafkaCluster.scala:366)
at org.apache.spark.streaming.kafka.KafkaCluster$$anonfun$checkErrors$1.apply(KafkaCluster.scala:366)
at scala.util.Either.fold(Either.scala:97)
at org.apache.spark.streaming.kafka.KafkaCluster$.checkErrors(KafkaCluster.scala:365)
at org.apache.spark.streaming.kafka.KafkaUtils$.getFromOffsets(KafkaUtils.scala:222)
at org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper.createDirectStream(KafkaUtils.scala:720)
at org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper.createDirectStreamWithoutMessageHandler(KafkaUtils.scala:688)
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:231)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
at py4j.Gateway.invoke(Gateway.java:259)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:209)
at java.lang.Thread.run(Thread.java:748)
Я думаю, что мое соединение должно быть таким же, как
format("kafka") \
.option("kafka.sasl.mechanism", "SCRAM-SHA-256") \
.option("kafka.security.protocol", "SASL_PLAINTEXT") \
.option("kafka.sasl.jaas.config", EH_SASL) \
.option("kafka.batch.size", 5000) \
.option("kafka.bootstrap.servers", "metadata.broker.list":"prd-kafka:9092,prd-kafka1:9092,prdkafka:9092,") \
.option("subscribe", "topic")
Кто-то знает, как подключить искровой поток с кафкой с использованием механизма "SCHA-SHA-256".