环境细节
spark版本:3.x
python版本3.8和java版本8
azure-eventhubs-spark\ 2.12-2.3.17.jar
import json
from pyspark.sql import SparkSession
# the below command getOrCreate() uses the SparkSession shared across the jobs instead of using one SparkSession per job.
spark = SparkSession.builder.appName('ntorq_eventhub_load').getOrCreate()
# ntorq adls checkpoint location.
ntorq_connection_string = "connection-string"
ehConf = {}
ehConf['eventhubs.connectionString'] = spark.sparkContext._jvm.org.apache.spark.eventhubs.EventHubsUtils.encrypt(ntorq_connection_string)
# ehConf['eventhubs.connectionString'] = ntorq_connection_string
ehConf['eventhubs.consumerGroup'] = "$default"
OFFSET_START = "-1" # the beginning
OFFSET_END = "@latest"
# Create the positions
startingEventPosition = {
"offset": OFFSET_START ,
"seqNo": -1, #not in use
"enqueuedTime": None, #not in use
"isInclusive": True
}
endingEventPosition = {
"offset": OFFSET_END, #not in use
"seqNo": -1, #not in use
"enqueuedTime": None,
"isInclusive": True
}
# Put the positions into the Event Hub config dictionary
ehConf["eventhubs.startingPosition"] = json.dumps(startingEventPosition)
ehConf["eventhubs.endingPosition"] = json.dumps(endingEventPosition)
df = spark \
.readStream \
.format("eventhubs") \
.options(**ehConf) \
.load() \
.selectExpr("cast(body as string) as body_str")
df.writeStream \
.format("console") \
.start()
错误
21/04/25 20:17:53 WARN Utils: Your hostname,resolves to a loopback address: 127.0.0.1; using 192.168.1.202 instead (on interface en0)
21/04/25 20:17:53 WARN Utils: Set SPARK_LOCAL_IP if you need to bind to another address
21/04/25 20:17:53 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
Traceback (most recent call last):
File "/Users/PycharmProjects/pythonProject/test.py", line 12, in <module>
ehConf['eventhubs.connectionString'] = spark.sparkContext._jvm.org.apache.spark.eventhubs.EventHubsUtils.encrypt(ntorq_connection_string)
TypeError: 'JavaPackage' object is not callable
代码在databricks环境下运行正常,但无法使用eventhub的所有消息每次运行前我都尝试清除默认检查点文件夹,但仍然面临此问题,因此希望在本地系统上尝试。在尝试本地环境时面临javapackage问题。谢谢你的帮助。谢谢您
暂无答案!
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