我試圖通過Cloudera Data Science Workbench在我們的內部Hadoop集羣上實施GitHub項目(https://github.com/tomatoTomahto/CDH-Sensor-Analytics)。嘗試通過Cloudera Data Science Workbench連接到Kafka時沒有可用的代理
在Cloudera Data Science Workbench上運行項目時,嘗試通過Python api連接到Kafka時,出現錯誤「No Brokers available」KafkaProducer(bootstrap_servers ='broker1:9092')[代碼可在https://github.com/tomatoTomahto/CDH-Sensor-Analytics/blob/master/datagenerator/KafkaConnection.py]找到。
我使用Kerberos進行了身份驗證。我已經嘗試給沒有端口號的代理節點,並且也作爲列表。但是,到目前爲止沒有任何工作。
以下是堆棧跟蹤。
NoBrokersAvailable: NoBrokersAvailable
NoBrokersAvailable Traceback (most recent call
last)
in engine
----> 1 dgen = DataGenerator(config)
/home/cdsw/datagenerator/DataGenerator.py in __init__(self, config)
39
40 self._kudu = KuduConnection(self._config['kudu_master'],
self._config['kudu_port'], spark)
---> 41 self._kafka =
KafkaConnection(self._config['kafka_brokers'],
self._config['kafka_topic'])
42
43 #self._kafka
/home/cdsw/datagenerator/KafkaConnection.py in __init__(self, brokers,
topic)
4 class KafkaConnection():
5 def __init__(self, brokers, topic):
----> 6 self._kafka_producer =
KafkaProducer(bootstrap_servers=brokers)
7 self._topic = topic
8
/home/cdsw/.local/lib/python3.6/site-packages/kafka/producer/kafka.py
in __init__(self, **configs)
333
334 client = KafkaClient(metrics=self._metrics,
metric_group_prefix='producer',
--> 335 **self.config)
336
337 # Get auto-discovered version from client if necessary
/home/cdsw/.local/lib/python3.6/site-packages/kafka/client_async.py in
__init__(self, **configs)
208 if self.config['api_version'] is None:
209 check_timeout =
self.config['api_version_auto_timeout_ms']/1000
--> 210 self.config['api_version'] =
self.check_version(timeout=check_timeout)
211
212 def _bootstrap(self, hosts):
/home/cdsw/.local/lib/python3.6/site-packages/kafka/client_async.py in
check_version(self, node_id, timeout, strict)
806 try_node = node_id or self.least_loaded_node()
807 if try_node is None:
--> 808 raise Errors.NoBrokersAvailable()
809 self._maybe_connect(try_node)
810 conn = self._conns[try_node]
NoBrokersAvailable: NoBrokersAvailable
我也試着通過CLI連接通過CLI連接工作臺以外。我得到了同樣的錯誤。
我錯過了什麼指針?提前致謝!