我试图通过kafka生产者发送消息，但收到以下错误。我正在使用以下命令建立连接。
export KAFKA_OPTS="-Djava.security.auth.login.config=$OSI_HOME/jaas.conf -Djava.security.krb5.conf=$OSI_HOME/krb5.conf"$OSI_HOME/Custom/confluent/bin/kafka-console-producer --topic testTopic --bootstrap-server <server list> --producer.config producer.properties
这是我使用的JAAS配置
KafkaClient { com.sun.security.auth.module.Krb5LoginModule required useKeyTab=true storeKey=true keyTab="[Location of keytabfile]" serviceName="kafka" useTicketCache=true principal="svc_account@REALM"; };
我可以看到制片人能够连接。但当我尝试发送消息时，我会收到以下错误。
[2022-02-23 12:45:56,562] WARN [Producer clientId=console-producer] Connection to node -7 terminated during authentication. This may happen due to any of the following reasons: (1) Authentication failed due to invalid credentials with brokers older than 1.0.0, (2) Firewall blocking Kafka TLS traffic (eg it may only allow HTTPS traffic), (3) Transient network issue. (org.apache.kafka.clients.NetworkClient)
[2022-02-23 12:45:56,563] WARN [Producer clientId=console-producer] Bootstrap broker (id: -7 rack: null) disconnected (org.apache.kafka.clients.NetworkClient)
[2022-02-23 12:45:56,707] WARN [Producer clientId=console-producer] Connection to node -13 terminated during authentication. This may happen due to any of the following reasons: (1) Authentication failed due to invalid credentials with brokers older than 1.0.0, (2) Firewall blocking Kafka TLS traffic (eg it may only allow HTTPS traffic), (3) Transient network issue. (org.apache.kafka.clients.NetworkClient)
[2022-02-23 12:45:56,707] WARN [Producer clientId=console-producer] Bootstrap broker (id: -13 rack: null) disconnected (org.apache.kafka.clients.NetworkClient)
[2022-02-23 12:45:56,863] WARN [Producer clientId=console-producer] Connection to node -12 terminated during authentication. This may happen due to any of the following reasons: (1) Authentication failed due to invalid credentials with brokers older than 1.0.0, (2) Firewall blocking Kafka TLS traffic (eg it may only allow HTTPS traffic), (3) Transient network issue. (org.apache.kafka.clients.NetworkClient)
[2022-02-23 12:45:56,863] WARN [Producer clientId=console-producer] Bootstrap broker (id: -12 rack: null) disconnected (org.apache.kafka.clients.NetworkClient)
有人知道如何解决这个问题吗？我尝试了代理列表的telnet命令，它已经连接，所以看起来并不是防火墙问题。我也可以从服务器上执行kinit，所以这似乎不是身份验证问题。
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