Spring Boot with Cassandra 3.x driver

2019-05-21 18:40发布

问题:

I use Spring boot 1.3.8.RELEASE. To use cassandra 3.x driver i tried something like below;

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-cassandra</artifactId>
        <exclusions>
            <exclusion>
                <groupId>org.springframework.data</groupId>
                <artifactId>spring-data-cassandra</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-cassandra</artifactId>
        <version>1.4.0.RELEASE</version>
        <exclusions>
            <exclusion>
                <groupId>com.datastax.cassandra</groupId>
                <artifactId>cassandra-driver-core</artifactId>
            </exclusion>
            <exclusion>
                <groupId>com.datastax.cassandra</groupId>
                <artifactId>cassandra-driver-dse</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.datastax.cassandra/cassandra-driver-core -->
    <dependency>
        <groupId>com.datastax.cassandra</groupId>
        <artifactId>cassandra-driver-core</artifactId>
        <version>3.1.0</version>
    </dependency>

But i get error;

Caused by: java.lang.NoSuchMethodError: com.datastax.driver.core.DataType.asJavaClass()Ljava/lang/Class;
at org.springframework.data.cassandra.mapping.CassandraSimpleTypeHolder.<clinit>(CassandraSimpleTypeHolder.java:62) ~[spring-data-cassandra-1.4.0.RELEASE.jar:?]

I tried this cause at https://github.com/spring-projects/spring-boot/issues/5835 , there is a post ;

Adopting the Cassandra 3 changes in Spring Data Cassandra 1.5 (Ingalls) does not impose breaking changes for Spring Boot. Tested the upgrade with Boot 1.3.3 and 1.4.0-SNAPSHOT.

Isn't it supposed to be like above? Where i am wrong?

NOTE: I was trying this example: https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-data-cassandra

回答1:

spring-data-cassandra-1.4.0.RELEASE depends on <cassandra.version>2.1.11</cassandra.version> and <cassandra-driver-dse.version>2.1.7.1</cassandra-driver-dse.version>see https://github.com/spring-projects/spring-data-cassandra/blob/1.4.0.RELEASE/pom.xml.

If you want to use Cassandra 3.x you should upgrade to spring-boot 1.5.x to benifit from spring-boot-starter-data-cassandra:1.5.x that depends on <cassandra.version>3.0.0</cassandra.version> and <cassandra-driver.version>3.0.3</cassandra-driver.version>see https://github.com/spring-projects/spring-data-cassandra/blob/1.5.0.M1/pom.xml

Remove Cassandra driver dependency from pom file. Spring boot will provide the right version