[英]how to modify message of one kafka topic and send to another kafka topic using java?
[英]how to send message to kafka topic protected with SSL
任何人都可以建议使用Java KafkaProducer时需要设置哪些属性以将消息发送到受SSL保护的kafka主题,这是kafka的新功能,无法向受SSL保护的kafka发送一条消息
我假设您已经知道如何为SSL配置Kafka。 您需要添加用于SSL加密和SSL身份验证的配置设置。 基本上,这是一个基本的生产者结构。
Properties props = new Properties();
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
//configure the following three settings for SSL Encryption
props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, "SSL");
props.put(SslConfigs.SSL_TRUSTSTORE_LOCATION_CONFIG, "/var/private/ssl/kafka.client.truststore.jks");
props.put(SslConfigs.SSL_TRUSTSTORE_PASSWORD_CONFIG, "test1234");
// configure the following three settings for SSL Authentication
props.put(SslConfigs.SSL_KEYSTORE_LOCATION_CONFIG, "/var/private/ssl/kafka.client.keystore.jks");
props.put(SslConfigs.SSL_KEYSTORE_PASSWORD_CONFIG, "test1234");
props.put(SslConfigs.SSL_KEY_PASSWORD_CONFIG, "test1234");
props.put(ProducerConfig.ACKS_CONFIG, "all");
props.put(ProducerConfig.RETRIES_CONFIG, 0);
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
Producer<String, String> producer = new KafkaProducer<String, String>(props);
TestCallback callback = new TestCallback();
Random rnd = new Random();
for (long i = 0; i < 100 ; i++) {
ProducerRecord<String, String> data = new ProducerRecord<String, String>(
"test-topic", "key-" + i, "message-"+i );
producer.send(data, callback);
}
producer.close();
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