kafka spring 实例

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2024-08-27 13:41:31 221人阅读

使用定时器发送后结果如下

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kafka 代码下载

Java代码

15.安装kafka
cd /usr/local/
wget http://mirror.bit.edu.cn/apache/kafka/0.10.0.0/kafka_2.10-0.10.0.0.tgz
tar xf kafka_2.10-0.10.0.0.tgz
ln -s /usr/local/kafka_2.10-0.10.0.0 /usr/local/kafka
chown -R hdfs:hadoop /usr/local/kafka_2.10-0.10.0.0 /usr/local/kafka
chown -R root:root /usr/local/kafka_2.10-0.10.0.0 /usr/local/kafka
/usr/local/zookeeper/bin/zkCli.sh
create /kafka ‘‘
vim /usr/local/kafka/config/server.properties
broker.id=0
zookeeper.connect=dev10.aoiplus.openpf:2181,dev06.aoiplus.openpf:2181,dev05.aoiplus.openpf:2181/kafka
scp -r /usr/local/kafka_2.10-0.10.0.0.tgz root@dev05.aoiplus.openpf:/usr/local/
scp -r /usr/local/kafka_2.10-0.10.0.0.tgz root@dev06.aoiplus.openpf:/usr/local/
scp -r /usr/local/kafka/config/server.properties root@dev05.aoiplus.openpf:/usr/local/kafka/config/server.properties
scp -r /usr/local/kafka/config/server.properties root@dev06.aoiplus.openpf:/usr/local/kafka/config/server.properties
master slave 启动
/usr/local/kafka/bin/kafka-server-start.sh /usr/local/kafka/config/server.properties &
创建topic
/usr/local/kafka/bin/kafka-topics.sh --create --zookeeper dev10.aoiplus.openpf:2181,dev06.aoiplus.openpf:2181,dev05.aoiplus.openpf:2181/kafka --replication-factor 3 --partitions 5 --topic baoy-topic
/usr/local/kafka/bin/kafka-topics.sh --describe --zookeeper dev10.aoiplus.openpf:2181,dev06.aoiplus.openpf:2181,dev05.aoiplus.openpf:2181/kafka --topic baoy-topic
/usr/local/kafka/bin/kafka-console-producer.sh --broker-list dev10.aoiplus.openpf:9092,dev05.aoiplus.openpf:9092,dev06.aoiplus.openpf:9092 --topic baoy-topic
/usr/local/kafka/bin/kafka-console-consumer.sh --zookeeper dev10.aoiplus.openpf:2181,dev05.aoiplus.openpf:2181,dev06.aoiplus.openpf:2181/kafka --from-beginning --topic baoy-topic

安装完成后测试下载

productor
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consumer

spring 接受信息
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代码部分

applicationContext-kafka-productor.xml

Java代码下载

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:int="http://www.springframework.org/schema/integration"
xmlns:int-kafka="http://www.springframework.org/schema/integration/kafka"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="http://www.springframework.org/schema/integration/kafka
http://www.springframework.org/schema/integration/kafka/spring-integration-kafka.xsd
http://www.springframework.org/schema/integration
http://www.springframework.org/schema/integration/spring-integration.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task.xsd">
<bean id="stringSerializer" class="org.apache.kafka.common.serialization.StringSerializer" />
<bean id="kafkaEncoder" class="org.springframework.integration.kafka.serializer.avro.AvroReflectDatumBackedKafkaEncoder">
<constructor-arg value=http://www.mamicode.com/"java.lang.String" />
</bean>
<bean id="producerProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="topic.metadata.refresh.interval.ms">3600000</prop>
<prop key="message.send.max.retries">5</prop>
<prop key="serializer.class">kafka.serializer.StringEncoder</prop>
<prop key="request.required.acks">1</prop>
</props>
</property>
</bean>
<int:channel id="pChannel">
<int:queue />
</int:channel>
<int-kafka:outbound-channel-adapter
id="kafkaOutboundChannelAdapterProductor"
kafka-producer-context-ref="producerContext"
auto-startup="true"
channel="pChannel"
order="3">
<int:poller fixed-delay="1000" time-unit="MILLISECONDS" receive-timeout="1" task-executor="taskProductorExecutor" />
</int-kafka:outbound-channel-adapter>
<task:executor id="taskProductorExecutor" pool-size="5" keep-alive="120" queue-capacity="500" />
<int-kafka:producer-context id="producerContext" producer-properties="producerProperties">
<int-kafka:producer-configurations>
<int-kafka:producer-configuration
broker-list="172.23.27.120:9092,172.23.27.115:9092,172.23.27.116:9092"
key-serializer="stringSerializer"
value-class-type="java.lang.String"
value-serializer="stringSerializer"
topic="baoy-topic" />
</int-kafka:producer-configurations>
</int-kafka:producer-context>
</beans>

applicationContext-kafka-consumer.xml

Java代码

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:int="http://www.springframework.org/schema/integration"
xmlns:int-kafka="http://www.springframework.org/schema/integration/kafka"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="http://www.springframework.org/schema/integration/kafka
http://www.springframework.org/schema/integration/kafka/spring-integration-kafka.xsd
http://www.springframework.org/schema/integration
http://www.springframework.org/schema/integration/spring-integration.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task.xsd">
<int:channel id="cChannel">
<int:dispatcher task-executor="kafkaMessageExecutor" />
</int:channel>
<int-kafka:zookeeper-connect id="zookeeperConnect"
zk-connect="172.23.27.120:2181,172.23.27.115:2181,172.23.27.116:2181/kafka" zk-connection-timeout="6000"
zk-session-timeout="6000" zk-sync-time="2000" />
<int-kafka:inbound-channel-adapter
id="kafkaInboundChannelAdapter" kafka-consumer-context-ref="consumerContext"
auto-startup="true" channel="cChannel">
<int:poller fixed-delay="1" time-unit="MILLISECONDS" />
</int-kafka:inbound-channel-adapter>
<task:executor id="kafkaMessageExecutor" pool-size="8" keep-alive="120" queue-capacity="500" />
<bean id="kafkaDecoder" class="org.springframework.integration.kafka.serializer.common.StringDecoder" />
<bean id="consumerProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="auto.offset.reset">smallest</prop>
<prop key="socket.receive.buffer.bytes">10485760</prop>
<prop key="fetch.message.max.bytes">5242880</prop>
<prop key="auto.commit.interval.ms">1000</prop>
</props>
</property>
</bean>
<bean id="kafkaConsumerService" class="com.curiousby.baoy.cn.kafka.KafkaConsumerService" />
<int:outbound-channel-adapter channel="cChannel" ref="kafkaConsumerService" method="process" />
<int-kafka:consumer-context id="consumerContext"
consumer-timeout="1000" zookeeper-connect="zookeeperConnect"
consumer-properties="consumerProperties">
<int-kafka:consumer-configurations>
<int-kafka:consumer-configuration
group-id="default" value-decoder="kafkaDecoder" key-decoder="kafkaDecoder"
max-messages="5000">
<int-kafka:topic id="baoy-topic" streams="5" />
</int-kafka:consumer-configuration>
</int-kafka:consumer-configurations>
</int-kafka:consumer-context>
</beans>

KafkaConsumerService

Java代码下载

@Service
public class KafkaConsumerService {
public void process(Map<String, Map<Integer, String>> msgs) {
for (Map.Entry<String, Map<Integer, String>> entry : msgs.entrySet()) {
System.out.println("======================================Consumer Message received: ");
System.out.println("=====================================Suchit Topic:" + entry.getKey());
for (String msg : entry.getValue().values()) {
System.out.println("================================Suchit Consumed Message: " + msg);
}
}
}
}

KafkaProductorService

Java代码

@Service
ublic class KafkaProductorService {
@Autowired
@Qualifier("pChannel")
private MessageChannel messageChannel;
public void sendInfo(String topic, Object obj) {
System.out.println("---Service:KafkaService------sendInfo------");
messageChannel.send(MessageBuilder.withPayload(obj).setHeader(KafkaHeaders.TOPIC,topic).build());
}

pom

Java代码下载

<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.curiousby.baoyou.cn</groupId>
<artifactId>SpringKafkaDEMO</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>SpringKafkaDEMO Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>4.2.5.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<type>jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.dbunit</groupId>
<artifactId>dbunit</artifactId>
<version>2.4.9</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.springtestdbunit</groupId>
<artifactId>spring-test-dbunit</artifactId>
<version>1.1.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.7.2</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.7.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-kafka</artifactId>
<version>1.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.4</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.4</version>
<type>jar</type>
</dependency> 下载
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.6</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.6</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.7.6</version>
</dependency>
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
<version>1.7.7</version>
</dependency>
</dependencies>
<build>
<finalName>SpringKafkaDEMO</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<dependencies>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-compiler-javac</artifactId>
<version>2.5</version>
</dependency>
</dependencies>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
<compilerArguments>
<verbose />
<bootclasspath>${java.home}/lib/rt.jar:${java.home}/lib/jce.jar</bootclasspath>
</compilerArguments>
</configuration>
</plugin>
</plugins>
</build>
</project>

遇到的问题：下载地址

1. spring 中日志中的 logback 必须保持一致，这里我使用 org.slf4j 1.6.4

Java代码

<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.4</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.4</version>
<type>jar</type>
</dependency>

kafka spring 实例

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kafka spring 实例

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