从kafka spout获取Bootstrap broker ip:9092断开连接错误
从kafka spout获取Bootstrap broker ip:9092断开连接错误
提问于 2018-06-28 02:53:16
版本：
"org.apache.storm" % "storm-kafka-client" % "1.2.1"
"org.apache.storm" % "storm-core" % "1.2.1" % "compile"
Kafka: 0.10.1.0 在localCluster中运行时，我从我的kafka spout中收到以下错误/警告：
2018-06-28 00:00:34,930 AppInfoParser [INFO] Kafka version : 0.10.1.0
2018-06-28 00:00:34,930 AppInfoParser [INFO] Kafka commitId : 3402a74efb23d1d4
2018-06-28 00:00:34,931 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip1:9092 disconnected
2018-06-28 00:00:35,092 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip2:9092 disconnected
2018-06-28 00:00:35,251 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip3:9092 disconnected
2018-06-28 00:00:35,524 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip4:9092 disconnected
2018-06-28 00:00:35,629 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip5:9092 disconnected
2018-06-28 00:00:35,822 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip6:9092 disconnected
2018-06-28 00:00:35,927 WARN NetworkClient [Thread-40-KafkaSpout-executor[12 12]] Bootstrap broker ip7:9092 disconnected以下是Kafka Spout的代码：
private def getKafkaSpoutConfig(source: TopologyConfig) = {
System.clearProperty("java.security.auth.login.config") //tried this after getting error, no impact
KafkaSpoutConfig.builder("ip1:9092,ip2:9092,ip3:9092,.....,ip10:9092", "topicName")
.setProp(ConsumerConfig.GROUP_ID_CONFIG, "myConsumerGroup")
.setProp(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.ByteArrayDeserializer")
.setOffsetCommitPeriodMs(100)
.setFirstPollOffsetStrategy(KafkaSpoutConfig.FirstPollOffsetStrategy.UNCOMMITTED_LATEST)
.setMaxUncommittedOffsets(1000000)
.build()
}
def getKafkaSpout(source: TopologyConfig) = new KafkaSpout(getKafkaSpoutConfig(source: TopologyConfig))在调试过程中，我看到以下是此错误的堆栈跟踪：
maybeHandleDisconnection:568, NetworkClient$DefaultMetadataUpdater (org.apache.kafka.clients)
processDisconnection:396, NetworkClient (org.apache.kafka.clients)
handleDisconnections:464, NetworkClient (org.apache.kafka.clients)
poll:270, NetworkClient (org.apache.kafka.clients)
poll:232, ConsumerNetworkClient (org.apache.kafka.clients.consumer.internals)
poll:195, ConsumerNetworkClient (org.apache.kafka.clients.consumer.internals)
getTopicMetadata:253, Fetcher (org.apache.kafka.clients.consumer.internals)
partitionsFor:1318, KafkaConsumer (org.apache.kafka.clients.consumer)
getFilteredTopicPartitions:57, NamedTopicFilter (org.apache.storm.kafka.spout)
refreshAssignment:54, ManualPartitionSubscription (org.apache.storm.kafka.spout)
subscribe:49, ManualPartitionSubscription (org.apache.storm.kafka.spout)
subscribeKafkaConsumer:657, KafkaSpout (org.apache.storm.kafka.spout)
activate:648, KafkaSpout (org.apache.storm.kafka.spout)
invoke:484, util$async_loop$fn__557 (org.apache.storm)
run:22, AFn (clojure.lang)
run:748, Thread (java.lang)相同的代码适用于一个Kafka设置，但对于相同版本的另一个kafka设置，它开始给出上述错误。
编辑：
作为par注释，我尝试连接到Kafka的端口9092，这是我能够做到的：
➜ git:(myBranch) ✗ telnet ipn 9092
Trying ipn...
Connected to my-kafka-app-396433.
Escape character is '^]'.回答 1
Stack Overflow用户
回答已采纳
发布于 2018-07-02 01:38:01
这是由于kafka的某些版本不匹配造成的。安装的kafka版本是0.10.0.1，而代码是使用kafka-clients版本：0.10.1.0挑选和执行的。
这是因为storm-core依赖于kafka-clients版本：0.10.1.0，它可以被重写，我就是这样做的，但不知何故，它在sbt中没有被正确排除。经过一些排列后，它开始工作了，最终的依赖关系如下所示：
Seq("org.apache.storm" % "storm-core" % "1.2.1" % "compile" excludeAll(
ExclusionRule(organization = "org.apache.logging.log4j"),
ExclusionRule(organization = "org.apache.kafka", artifact = "kafka-clients"),
ExclusionRule(organization = "ring-cors"),
ExclusionRule(organization = "org.slf4j", artifact = "*"),
ExclusionRule(organization = "log4j", artifact = "*"),
ExclusionRule(organization = "javax", artifact = "*"),
ExclusionRule(organization = "javax.servlet", artifact="*")
)),
"org.apache.kafka" % "kafka-clients" % "0.10.0.1" excludeAll(
ExclusionRule(organization = "org.slf4j", name = "slf4j-log4j12"),
ExclusionRule(organization = "log4j"),
ExclusionRule(organization = "javax.servlet", artifact="*")
),
"org.apache.storm" % "storm-kafka-client" % "1.2.1" excludeAll(
ExclusionRule(organization = "org.apache.kafka", artifact = "*"),
ExclusionRule(organization = "org.apache.logging.log4j"),
ExclusionRule(organization = "ring-cors"),
ExclusionRule(organization = "org.apache.logging.log4j", artifact = "*"),
ExclusionRule(organization = "org.slf4j", artifact = "*"),
ExclusionRule(organization = "log4j", artifact = "*")
),页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/51069649
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