Kafka producer reported an error - Codes Helper

problem description

kafka producer reports an error

the environmental background of the problems and what methods you have tried

the same code, many computers are good. Only one station reported an error

2019-01-24 1515 DEBUG 55.811 DEBUG 448-[kafka-producer-network-thread | producer-1] o.apache.kafka.common.network.Selector: [Producer clientId=producer-1] Connection with / disconnected

java.io.IOException: the remote host forcibly closes an existing connection.

at sun.nio.ch.SocketDispatcher.read0(Native Method) ~[na:1.8.0_51]
at sun.nio.ch.SocketDispatcher.read(Unknown Source) ~[na:1.8.0_51]
at sun.nio.ch.IOUtil.readIntoNativeBuffer(Unknown Source) ~[na:1.8.0_51]
at sun.nio.ch.IOUtil.read(Unknown Source) ~[na:1.8.0_51]
at sun.nio.ch.SocketChannelImpl.read(Unknown Source) ~[na:1.8.0_51]
at org.apache.kafka.common.network.PlaintextTransportLayer.read(PlaintextTransportLayer.java:104) ~[kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:94) ~[kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:335) ~[kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:296) ~[kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.Selector.attemptRead(Selector.java:562) [kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:498) [kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.common.network.Selector.poll(Selector.java:427) [kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:510) [kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:239) [kafka-clients-2.0.1.jar!/:na]
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:163) [kafka-clients-2.0.1.jar!/:na]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_51]

many of the following are repeated error reports