org.apache.kafka.common.KafkaException: 无法构造 kafka 消费者
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【中文标题】org.apache.kafka.common.KafkaException: 无法构造 kafka 消费者【英文标题】：org.apache.kafka.common.KafkaException: Failed to construct kafka consumer 【发布时间】：2018-06-06 18:52:58 【问题描述】：我手动启动 Zookeeper，然后是 Kafka 服务器，最后是带有各自属性文件的 Kafka-Rest 服务器。接下来，我在 tomcat 上部署我的 Spring Boot 应用程序
在 Tomcat 日志跟踪中，我收到错误 org.springframework.context.ApplicationContextException: Failed to start bean 'org.springframework.kafka.config.internalKafkaListenerEndpointRegistry'; nested exception is org.apache.kafka.common.KafkaException: Failed to construct kafka consumer 并且我的应用程序无法启动
错误日志
25-Dec-2017 15:00:32.508 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/spring-kafka-webhook-service-0.0.1-SNAPSHOT]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:986)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1857)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.springframework.context.ApplicationContextException: Failed to start bean 'org.springframework.kafka.config.internalKafkaListenerEndpointRegistry'; nested exception is org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178)
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:50)
at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:348)
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:151)
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:114)
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:880)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
at org.springframework.boot.web.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:154)
at org.springframework.boot.web.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:134)
at org.springframework.boot.web.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:87)
at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:169)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 10 more
Caused by: org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:702)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:557)
at org.springframework.kafka.core.DefaultKafkaConsumerFactory.createKafkaConsumer(DefaultKafkaConsumerFactory.java:73)
at org.springframework.kafka.core.DefaultKafkaConsumerFactory.createConsumer(DefaultKafkaConsumerFactory.java:69)
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.<init>(KafkaMessageListenerContainer.java:305)
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.<init>(KafkaMessageListenerContainer.java:230)
at org.springframework.kafka.listener.KafkaMessageListenerContainer.doStart(KafkaMessageListenerContainer.java:180)
at org.springframework.kafka.listener.AbstractMessageListenerContainer.start(AbstractMessageListenerContainer.java:202)
at org.springframework.kafka.listener.ConcurrentMessageListenerContainer.doStart(ConcurrentMessageListenerContainer.java:126)
at org.springframework.kafka.listener.AbstractMessageListenerContainer.start(AbstractMessageListenerContainer.java:202)
at org.springframework.kafka.config.KafkaListenerEndpointRegistry.startIfNecessary(KafkaListenerEndpointRegistry.java:287)
at org.springframework.kafka.config.KafkaListenerEndpointRegistry.start(KafkaListenerEndpointRegistry.java:236)
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:175)
... 27 more
Caused by: java.lang.NoClassDefFoundError: org/apache/kafka/common/ClusterResourceListener
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2283)
at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:811)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1260)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.kafka.common.utils.Utils.newInstance(Utils.java:332)
at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstances(AbstractConfig.java:225)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:643)
... 39 more
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.common.ClusterResourceListener
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1291)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
... 51 more
接收器类
public class InventoryEventReceiver
private static final Logger log = LoggerFactory.getLogger(InventoryEventReceiver.class);
private CountDownLatch latch = new CountDownLatch(1);
public CountDownLatch getLatch()
return latch;
@KafkaListener(topics="inventory", containerFactory="kafkaListenerContainerFactory")
public void listenWithHeaders(
@Payload InventoryEvent event,
@Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
@Header(KafkaHeaders.RECEIVED_MESSAGE_KEY) Integer key,
@Header(KafkaHeaders.RECEIVED_PARTITION_ID) int partition,
@Header(KafkaHeaders.OFFSET) String offset
)
System.out.println("EVENT HAS BEEN RECEIVED by listenWithHeaders(InventoryEvent)");
System.out.println(event.toString());
log.info(System.currentTimeMillis() + "-- Received Event :\"" + event + "\" from partition:offset -- " + partition + ":" + offset +
" for topic : " + topic);
String urlForInventoryListeners = "http://localhost:8080/" + topic + "/listeners";
OutputStream os = null;
try
URL objectUrl = new URL(urlForInventoryListeners);
HttpURLConnection con = (HttpURLConnection) objectUrl.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
con.setRequestProperty("topic", topic);
Gson gson = new Gson();
String eventJson = gson.toJson(event);
con.setDoOutput(true);
os = con.getOutputStream();
os.write(eventJson.getBytes("UTF-8"));
System.out.println("Event sent to " + objectUrl);
catch (Exception e)
e.printStackTrace();
System.out.println(e.getMessage());
finally
try
os.close();
catch (IOException e)
e.printStackTrace();
System.out.println(e.getMessage());
latch.countDown();
接收器配置类
@Configuration
@EnableKafka
public class InventoryReceiverConfig
@Autowired
private KafkaConfig kafkaConfig;
@Bean
public static ConsumerFactory<String, InventoryEvent> consumerFactory()
return new DefaultKafkaConsumerFactory<>(consumerConfigs(), new StringDeserializer(),
new JsonDeserializer<>(InventoryEvent.class));
@Bean
public static ConcurrentKafkaListenerContainerFactory<String, InventoryEvent> kafkaListenerContainerFactory()
ConcurrentKafkaListenerContainerFactory<String, InventoryEvent> containerFactory = new ConcurrentKafkaListenerContainerFactory<>();
containerFactory.setConsumerFactory(consumerFactory());
containerFactory.setConcurrency(3);
containerFactory.getContainerProperties().setPollTimeout(3000);
return containerFactory;
@Bean
public static Map<String, Object> consumerConfigs()
Map<String, Object> consumerProps = new HashMap<>();
consumerProps.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
consumerProps.put(ConsumerConfig.GROUP_ID_CONFIG,"inventory_consumers");
consumerProps.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,StringDeserializer.class);
consumerProps.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,JsonDeserializer.class);
consumerProps.put(ConsumerConfig.INTERCEPTOR_CLASSES_CONFIG, "io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor");
return consumerProps;
@Bean
public InventoryEventReceiver receiver()
return new InventoryEventReceiver();
而我的 server.properties、consumer.properties 和 kafka-rest.properties 的集群属性文件如下：
server.properties
# The id of the broker. This must be set to a unique integer for each broker.
broker.id=0
# Switch to enable topic deletion or not, default value is false
delete.topic.enable=true
############################# Socket Server Settings #############################
# The address the socket server listens on. It will get the value returned from
# java.net.InetAddress.getCanonicalHostName() if not configured.
# FORMAT:
# listeners = listener_name://host_name:port
# EXAMPLE:
# listeners = PLAINTEXT://your.host.name:9092
listeners=PLAINTEXT://:9092
# Hostname and port the broker will advertise to producers and consumers. If not set,
# it uses the value for "listeners" if configured. Otherwise, it will use the value
# returned from java.net.InetAddress.getCanonicalHostName().
advertised.listeners=PLAINTEXT://localhost:9092
# The number of threads that the server uses for receiving requests from the network and sending responses to the network
num.network.threads=3
# The number of threads that the server uses for processing requests, which may include disk I/O
num.io.threads=8
# The send buffer (SO_SNDBUF) used by the socket server
socket.send.buffer.bytes=102400
# The receive buffer (SO_RCVBUF) used by the socket server
socket.receive.buffer.bytes=102400
# The maximum size of a request that the socket server will accept (protection against OOM)
socket.request.max.bytes=104857600
# A comma seperated list of directories under which to store log files
log.dirs=/tmp/kafka-logs
# The default number of log partitions per topic. More partitions allow greater
# parallelism for consumption, but this will also result in more files across
# the brokers.
num.partitions=1
# The number of threads per data directory to be used for log recovery at startup and flushing at shutdown.
# This value is recommended to be increased for installations with data dirs located in RAID array.
num.recovery.threads.per.data.dir=1
############################# Internal Topic Settings #############################
# The replication factor for the group metadata internal topics "__consumer_offsets" and "__transaction_state"
# For anything other than development testing, a value greater than 1 is recommended for to ensure availability such as 3.
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
# The minimum age of a log file to be eligible for deletion due to age
log.retention.hours=168
# The maximum size of a log segment file. When this size is reached a new log segment will be created.
log.segment.bytes=1073741824
# The interval at which log segments are checked to see if they can be deleted according
# to the retention policies
log.retention.check.interval.ms=300000
# Zookeeper connection string (see zookeeper docs for details).
# This is a comma separated host:port pairs, each corresponding to a zk
# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002".
# You can also append an optional chroot string to the urls to specify the
# root directory for all kafka znodes.
zookeeper.connect=localhost:2181
# Timeout in ms for connecting to zookeeper
zookeeper.connection.timeout.ms=6000
##################### Confluent Proactive Support ######################
# If set to true, and confluent-support-metrics package is installed
# then the feature to collect and report support metrics
# ("Metrics") is enabled. If set to false, the feature is disabled.
#
confluent.support.metrics.enable=true
############################# Group Coordinator Settings #############################
# The following configuration specifies the time, in milliseconds, that the GroupCoordinator will delay the initial consumer rebalance.
# The rebalance will be further delayed by the value of group.initial.rebalance.delay.ms as new members join the group, up to a maximum of max.poll.interval.ms.
# The default value for this is 3 seconds.
# We override this to 0 here as it makes for a better out-of-the-box experience for development and testing.
# However, in production environments the default value of 3 seconds is more suitable as this will help to avoid unnecessary, and potentially expensive, rebalances during application startup.
group.initial.rebalance.delay.ms=0
# The customer ID under which support metrics will be collected and
# reported.
#
# When the customer ID is set to "anonymous" (the default), then only a
# reduced set of metrics is being collected and reported.
#
# Confluent customers
# -------------------
# If you are a Confluent customer, then you should replace the default
# value with your actual Confluent customer ID. Doing so will ensure
# that additional support metrics will be collected and reported.
#
confluent.support.customer.id=anonymous
consumer.properties
# Zookeeper connection string
# comma separated host:port pairs, each corresponding to a zk
# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002"
zookeeper.connect=127.0.0.1:2181
# timeout in ms for connecting to zookeeper
zookeeper.connection.timeout.ms=6000
#consumer group id
group.id=test-consumer-group,inventory_consumers
#consumer timeout
#consumer.timeout.ms=5000
kafka-rest.properties
id=kafka-rest-test-server
schema.registry.url=http://localhost:8081
zookeeper.connect=localhost:2181
#
# Configure interceptor classes for sending consumer and producer metrics to Confluent Control Center
# Make sure that monitoring-interceptors-<version>.jar is on the Java class path
consumer.interceptor.classes=io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor
producer.interceptor.classes=io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.psl.kafka.spring</groupId>
<artifactId>spring-kafka-webhook-service</artifactId>
<packaging>war</packaging>
<name>spring-kafka-webhook-service</name>
<description>Spring Kafka Webhook Service</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<repositories>
<repository>
<id>confluent</id>
<url>http://packages.confluent.io/maven/</url>
</repository>
</repositories>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<org.springframework-version>5.0.0.RELEASE</org.springframework-version>
<org.springframework.security-version>4.0.1.RELEASE</org.springframework.security-version>
<org.aspectj-version>1.8.11</org.aspectj-version>
<org.slf4j-version>1.7.12</org.slf4j-version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.kafka</groupId>
<artifactId>spring-kafka</artifactId>
<version>1.1.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.kafka</groupId>
<artifactId>spring-kafka-test</artifactId>
<version>1.1.1.RELEASE</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.2</version>
<exclusions>
<exclusion>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
</exclusion>
<exclusion>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.2</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20160810</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-kafka</artifactId>
<version>2.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
<version>0.10.0.1</version>
</dependency>
<dependency>
<groupId>io.confluent</groupId>
<artifactId>monitoring-interceptors</artifactId>
<version>3.1.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<version>0.0.1-SNAPSHOT</version>
</project>
我的 Receiver 和 Sender 类没有使用任何注解，例如 @Component 或 @Service。有什么区别吗？
@Configuration
public class InventorySenderConfig
@Configuration
@EnableKafka
public class InventoryReceiverConfig
@Component
public class KafkaConfig
@Configuration
public class ProducingChannelConfig
@Configuration
public class ConsumingChannelConfig
@RestController
public class KafkaWebhookController
@Service("webhookService")
public class KafkaServiceImpl
@EnableIntegration
@SpringBootApplication
@ComponentScan("com.psl.kafka")
public class SpringKafkaWebhookServiceApplication extends SpringBootServletInitializer
这些是我的类注释。他们看起来没问题还是我需要改变一些东西？
kafka 版本更新到 0.10.1.1 后出现新的构建错误
2017-12-26 13:11:44.490 INFO 13444 --- [ main] o.a.kafka.common.utils.AppInfoParser : Kafka version : 0.10.1.1
2017-12-26 13:11:44.490 INFO 13444 --- [ main] o.a.kafka.common.utils.AppInfoParser : Kafka commitId : f10ef2720b03b247
2017-12-26 13:12:44.499 ERROR 13444 --- [ main] o.s.k.support.LoggingProducerListener : Exception thrown when sending a message with key='inventory-events' and payload='Hello Spring Integration Kafka 0!' to topic inventory:
org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 60000 ms.
2017-12-26 13:12:44.501 WARN 13444 --- [ main] o.a.k.c.p.i.ProducerInterceptors : Error executing interceptor onAcknowledgement callback
java.lang.IllegalStateException: clusterResource is not defined
at io.confluent.shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:174) ~[monitoring-interceptors-3.1.1.jar:na]
at io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor.onAcknowledgement(MonitoringProducerInterceptor.java:59) ~[monitoring-interceptors-3.1.1.jar:na]
at org.apache.kafka.clients.producer.internals.ProducerInterceptors.onSendError(ProducerInterceptors.java:116) ~[kafka-clients-0.10.1.1.jar:na]
at org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:489) [kafka-clients-0.10.1.1.jar:na]
at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:436) [kafka-clients-0.10.1.1.jar:na]
我是否需要在 ProducingChannelConfig、ConsumingChannelConfig 以及 InventoryReceiverConfig 类中定义我作为配置添加的任何拦截器类？
【问题讨论】：
你的 kafka jar 版本是什么 添加了 pom.xml 【参考方案1】：原因：java.lang.ClassNotFoundException: org.apache.kafka.common.ClusterResourceListener
您的类路径中缺少kafka-clients jar。你用什么进行依赖管理？ Maven 和 gradle 应该会自动为你把这个 jar 放到类路径中。
【讨论】：
使用 Maven。添加 pom.xml。 你的类路径上有某种冲突的版本；该类ClusterResourceListener 已添加到 0.10.2.x 客户端中。也许您的某个 tomcat 目录中有更新的版本？
不要那样做（许多 cmets）删除它们并改为编辑问题。它与您的配置无关；这是一个类加载器问题。使用 -verbose JVM arg 查看正在从哪些 jars 类加载。另外，你为什么用这么旧的版本？ spring-kafka 1.1.x 行中的当前版本是 1.1.7。
好的，已删除 cmets。有问题添加
即使在将spring-kafka 和spring-kafka-test 设置为1.1.7.RELEASE 并将spring-integration-kafka 从2.1.2.RELEASE 从2.1.0.RELEASE 更改为2.1.2.RELEASE 之后，我仍然在pom.xml 中出现错误“缺少工件组织。 springframework.boot:spring-boot-starter-test:jar:1.5.9.RELEASE（点击查看更多 68 个）”虽然 spring-boot-starter-test 明确添加在我的 pom.xml 中【参考方案2】：
你的 kafka 版本比它应该的旧，你的问题类 ClusterResourceListener 期望版本高于 0.10.1.0，而你的版本低于 0.10.0.1。
只需升级您的 kafka jar 即可解决此问题。
在每个元数据响应之后都会调用一次 onUpdate(ClusterResource)。请注意，当 Kafka broker 版本低于 0.10.1.0 时，集群 id 可能为空。
【讨论】：
我将spring-kafka 和 spring-kafka-test 从 cmets 中提到的 1.1.1.RELEASE 升级为 1.1.7.RELEASE 到 "@Gary Russell"，但自动为 Referenced Libraries 带来的依赖项是 0.10.0.1。由于多个版本不兼容，我无法强制更改，因为它在 pom.xml 中给出错误
默认的kafka jars作为依赖项是kafka_2.11-0.10.0.1.jar和kafka_2.11-0.10.0.1-test.jar
只是补充一点，即使在我的pom.xml 中注释了kafka-clients-0.10.0.1 之后，带入类路径的默认依赖项也是kafka-clients-0.10.0.1.jar 和kafka-clients-0.10.0.1-test.jar
请查看我对“@Gary Russell”的最后评论。成功将 kafka jar 从 0.10.0.1 更新到 0.10.1.1 但是在构建时出现了一个新问题，添加了问题
我认为你应该打开一个新问题，因为之后看起来会一团糟【参考方案3】：
我在最近的一个项目中也遇到了这个错误。该错误也可能是由于缺少 Kafka 服务器。该应用正在尝试在 application.properties 文件中查找配置或服务器（PS：如果您未指定应用应从哪个配置文件加载，您的应用将从 application.properties 加载）。
解决方案 编辑您的配置（如果使用 IntelliJ）并在程序参数中，添加您已添加 Kafka 引导服务器的配置文件。这样，当应用启动时，您已指定应用在包含 Kafka 引导服务器和详细信息的指定配置文件上运行。
--spring.profiles.active= <profile_name>
或者，如果您不想走这么长的路，只需创建一个 application.properties 文件而不指定任何配置文件，然后在此属性文件中添加所有 Kafka 设置。它应该可以正常工作，因为默认情况下，应用程序运行 application.properties。
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【参考方案4】：就我而言，我在消费者中使用 KafkaAvroSerializer 作为反序列化器，而不是 KafkaAvroDeserializer
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【参考方案5】：检查您是否使用StringDeserializer 而不是StringSerializer
properties.setProperty(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
properties.setProperty(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
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