问题描述
使用@EmbeddedKafka(topics = { "checkins" })
时
我遇到错误
Caused by: java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce
at kafka.utils.TestUtils.tempDir(TestUtils.scala)
at org.springframework.kafka.test.EmbeddedKafkaBroker$EmbeddedZookeeper.<init>(EmbeddedKafkaBroker.java:738)
at org.springframework.kafka.test.EmbeddedKafkaBroker.afterPropertiesSet(EmbeddedKafkaBroker.java:291)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1853)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790)
我正在使用 spring boot 2.3.3.RELEASE
我的摇篮看起来像
compile("io.confluent:kafka-json-serializer:$confluentJsonVersion")
compile ("org.apache.kafka:kafka-clients: $kafkaVersion")
implementation ("org.springframework.boot:spring-boot-starter-validation")
implementation("org.springframework.kafka:spring-kafak:$springKafkaVersion")
implementation "org.apache.kafka:kafka-clients:$kafkaVersion"
testImplementation("org.springframework.kafka:spring-kafka-test:$springKafkaVersion")
testImplementation("org.apache.kafka:kafka_2.13:$kafkaVersion")
testImplementation("org.apache.kafka:kafka_2.13:$kafkaVersion:test")
testImplementation ("org.apache.kafka:kafka-clients:$kafkaVersion:test")
解决方法
该接口仅存在于kafka_2.12
个jar中。
您似乎以某种方式拥有一个2.12 ...-test
罐子和一个2.13
kafka罐子(这不是您的gradle所说的)。
gradle dependencies
怎么说?