property Archives - Java / Cloud / BigData

May 19, 2023May 18, 2023
JUnit, Kotlin, Mockito
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Mockito Kotlin lateinit property X has not been initialized

Let’s look at this code: You see, that we have mock of myClass, that prepared by Mockito. In the same time we have object of MyClass inside companion object, that we prepared ourselves. If you run this test with Kotlin 1.6.0 (and around) for instance, you’ll get this error: But, with Kotlin 1.4.32 and around, this stuff works fine. We […]

August 5, 2022August 5, 2022
Java, Kafka, Kerberos
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How to create Kafka Kerberos Java consumer

Suppose that you need to create Kafka Java consumer with Kerberos. The code will be: You don’t need to specify java.security.auth.login.config Java property, because we set SaslConfigs.SASL_JAAS_CONFIG property directly to the consumer. You just need to made changes in kafkaJaasConfiguration() method that necessary for your Kerberos configuration.