Sending messages from Java to RabbitMQ using com.rabbitmq.http.client.Client

Question

I'm trying to send messages from a Java service to RabbitMQ.

I'm using some Java RabbitMQ client library and trying to run the following code:

    private static Client setAcceptAllSSL() throws Exception {
        TrustStrategy acceptingTrustStrategy = (cert, authType) -> true;
        SSLContext sslContext = SSLContexts.custom().loadTrustMaterial(null, acceptingTrustStrategy).build();
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE);
        requestFactory = new HttpComponentsRestTemplateConfigurator(sslsf,sslContext);
        return new Client(new ClientParameters().url(url).username(username).password(password).restTemplateConfigurator(requestFactory));
    }

In the last line (Client objectinitialization), the following error is thrown:

java.lang.NoClassDefFoundError: org/springframework/http/converter/json/Jackson2ObjectMapperBuilder

I think I might be missing something in my pom.xml or maybe something with the version of Spring. However, I have not been able to find any missing import/library/version issues.

Please help :)

For me, this method throws ClassNotFoundException: org.springframework.http.client.ClientHttpRequestFactory. — Most Noble Rabbit
– Most Noble Rabbit, Commented May 9, 2021 at 16:06
Do you have this? <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.databind-version}</version> </dependency> — Most Noble Rabbit
– Most Noble Rabbit, Commented May 9, 2021 at 16:07

Most Noble Rabbit · Accepted Answer · 2021-05-10 15:55:10Z

1

Add this jackson dependency in pom.xml:

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>${jackson.databind-version}</version>
</dependency>

answered May 10, 2021 at 15:55

Most Noble Rabbit

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