[英]spring Kafka model is not in the trusted packages
我正在使用spring-Kafka-2.1.5
和spring-boot-2.0.5
進行微服務
第一個服務將產生一些消息給kafka,第二個服務將消耗它們,而消耗我遇到的問題
Caused by: java.lang.IllegalArgumentException: The class 'com.service1.model.TopicMessage' is not in the trusted packages: [java.util, java.lang, com.service2.model.ConsumeMessage].
If you believe this class is safe to deserialize, please provide its name. If the serialization is only done by a trusted source, you can also enable trust all (*).
因此,根據錯誤消息,這是com.service1.model.TopicMessage
序列化模型。 但是我正在嘗試將消息反序列化到模型com.service2.model.ConsumeMessage
,該模型在service2中並且存在此問題
下面是我的配置
@Bean(name = "kafkaConsumerConfig")
public Map<String, Object> kafkaConsumerConfig() {
Map<String, Object> props = new HashMap<>();
props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
props.put(ConsumerConfig.GROUP_ID_CONFIG, groupId);
props.put(ConsumerConfig.CLIENT_ID_CONFIG, clientId);
props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, offsetconfig);
props.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, autoCommitInterval);
props.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, sessionTimeout);
props.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, maxPollRecords);
props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, enableAutoCommit);
}
kafkaConsumerFactory
@Bean(name = "kafkaConsumerFactory")
public ConsumerFactory<String, ConsumeMessage> kafkaConsumerFactory() {
JsonDeserializer<ConsumeMessage>
deserializer = new JsonDeserializer<>();
deserializer.addTrustedPackages("com.service2.model");
return new DefaultKafkaConsumerFactory<String, ConsumeMessage>(kafkaConsumerConfig(),new StringDeserializer(),deserializer);
}
kafkaListenerContainerFactory
@Bean(name = "kafkaListenerContainerFactory")
public ConcurrentKafkaListenerContainerFactory<String, ConsumeMessage > kafkaListenerContainerFactory() {
ConcurrentKafkaListenerContainerFactory<String, ConsumeMessage > factory = new ConcurrentKafkaListenerContainerFactory<>();
factory.setConcurrency(Integer.parseInt(threads));
factory.setBatchListener(true);
factory.setConsumerFactory(kafkaConsumerFactory());
factory.getContainerProperties().setPollTimeout(Long.parseLong(pollTimeout));
factory.getContainerProperties().setAckMode(AckMode.BATCH);
return factory;
}
您需要在反序列化器中禁用header precedence
:
/**
* Construct an instance with the provided target type, and
* useHeadersIfPresent with a default {@link ObjectMapper}.
* @param targetType the target type.
* @param useHeadersIfPresent true to use headers if present and fall back to target
* type if not.
* @since 2.2
*/
public JsonDeserializer(Class<? super T> targetType, boolean useHeadersIfPresent) {
useHeadersIfPresent
參數必須配置為false
。 這樣,將使用inferred
類型,並且將忽略標頭值。
如果您不使用spring-kafka-2.2
,則應考慮使用類似的邏輯實現自己的JsonDeserializer
: https : //github.com/spring-projects/spring-kafka/blob/master/spring-kafka/src/主/ JAVA /組織/ springframework的/卡夫卡/支持/串行器/ JsonDeserializer.java
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.