Spark cassandra连接器Java API,找不到符号CassandraRow
我在这里尝试spark cassandra连接器japi示例:
https://github.com/datastax/spark-cassandra-connector/blob/master/doc/7_java_api.md
maven构建失败,出现以下错误:
SimpleApp.java:[24,9] cannot find symbol [ERROR] symbol: class CassandraRow [ERROR] location: class SimpleApp
我的pom。xml如下所示
<project>
<groupId>com.example</groupId>
<artifactId>simple-project</artifactId>
<modelVersion>4.0.0</modelVersion>
<name>Simple Project</name>
<packaging>jar</packaging>
<version>1.0</version>
<dependencies>
<dependency> <!-- Spark dependency -->
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.10</artifactId>
<version>1.5.2</version>
</dependency>
<dependency>
<groupId>com.datastax.spark</groupId>
<artifactId>spark-cassandra-connector_2.10</artifactId>
<version>1.5.0-M3</version>
</dependency>
<dependency>
<groupId>com.datastax.spark</groupId>
<artifactId>spark-cassandra-connector-java_2.10</artifactId>
<version>1.5.0-M3</version>
</dependency>
<dependency>
<groupId>com.datastax.cassandra</groupId>
<artifactId>cassandra-driver-core</artifactId>
<version>2.1.9</version>
</dependency>
<dependency>
<groupId>com.datastax.cassandra</groupId>
<artifactId>cassandra-driver-mapping</artifactId>
<version>2.1.9</version>
</dependency>
</dependencies>
</project>
卡桑德拉罗的职业定义在哪里?我已经浏览了com包中的代码。税收。火花连接器。贾皮。卡桑德拉贾瓦图尔,这里没有定义。该示例要求仅静态导入com。税收。火花连接器。japi就是一个成功的例子
任何指点都将不胜感激
# 1 楼答案
你可以通过
import com.datastax.spark.connector.CassandraRow;
来让它工作我使用的依赖项与您相同(无论版本如何)