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Jordan Moore commented on KAFKA-9822: ------------------------------------- If you are looking for support, this question would be better suited for StackOverflow. Besides, You have failed to mention your OS, Java version, Kafka version, etc. > java kafka-client use "props.put("retries", "5")" ,why print 2 log ? Should 6 > log ! > ----------------------------------------------------------------------------------- > > Key: KAFKA-9822 > URL: https://issues.apache.org/jira/browse/KAFKA-9822 > Project: Kafka > Issue Type: Test > Reporter: startjava > Priority: Major > > package test2;package test2; > import java.util.Properties; > import org.apache.kafka.clients.producer.KafkaProducer;import > org.apache.kafka.clients.producer.Producer;import > org.apache.kafka.clients.producer.ProducerRecord; > public class ProduceMessage { public static void main(String[] args) { > Properties props = new Properties(); > props.put("bootstrap.servers", "192.168.1.113:9091");/////////////wrong ip > address > props.put("acks", "1"); > props.put("retries", "5"); > props.put("key.serializer", > "org.apache.kafka.common.serialization.StringSerializer"); > props.put("value.serializer", > "org.apache.kafka.common.serialization.StringSerializer"); > Producer<String, String> producer = new KafkaProducer<>(props); > for (int i = 0; i < 1; i++) { > producer.send(new ProducerRecord<String, String>("myTopic1", "key" + (i + 1), > "value" + (i + 1))); } producer.close(); }} > > console print result: > [kafka-producer-network-thread | producer-1] WARN > org.apache.kafka.clients.NetworkClient - [Producer clientId=producer-1] > Connection to node -1 (/192.168.1.113:9091) could not be established. Broker > may not be available. > [kafka-producer-network-thread | producer-1] WARN > org.apache.kafka.clients.NetworkClient - [Producer clientId=producer-1] > Bootstrap broker 192.168.1.113:9091 (id: -1 rack: null) disconnected > [kafka-producer-network-thread | producer-1] WARN > org.apache.kafka.clients.NetworkClient - [Producer clientId=producer-1] > Connection to node -1 (/192.168.1.113:9091) could not be established. Broker > may not be available. > [kafka-producer-network-thread | producer-1] WARN > org.apache.kafka.clients.NetworkClient - [Producer clientId=producer-1] > Bootstrap broker 192.168.1.113:9091 (id: -1 rack: null) disconnected > [main] INFO org.apache.kafka.clients.producer.KafkaProducer - [Producer > clientId=producer-1] Closing the Kafka producer with timeoutMillis = > 9223372036854775807 ms. > > > log4j.properties: > log4j.rootLogger=INFO,console > log4j.logger.com.demo.kafka=DEBUG,kafka > log4j.appender.kafka=kafka.producer.KafkaLog4jAppender > log4j.appender.console=org.apache.log4j.ConsoleAppender > log4j.appender.console.target=System.out > log4j.appender.console.layout=org.apache.log4j.PatternLayout > log4j.appender.console.layout.ConversionPattern=%d [%-5p] [%t] - [%l] %m%n -- This message was sent by Atlassian Jira (v8.3.4#803005)