scala报错

最新推荐文章于 2025-05-28 10:01:31 发布

huoliangwu

最新推荐文章于 2025-05-28 10:01:31 发布

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分类专栏：常见问题

本文链接：https://blog.youkuaiyun.com/huoliangwu/article/details/86315080

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博客内容提到了一个关于Scala编程遇到的问题，即由于Spark和Scala版本不一致导致的错误。解决方案是通过查询Maven仓库来添加与Spark 2.2.0兼容的Scala 2.10.*版本依赖到pom文件中。

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报错信息如下

 Error:scalac: bad symbolic reference. A signature in package.class refers to type compileTimeOnly
    in package scala.annotation which is not available.
    It may be completely missing from the current classpath, or the version on

    the classpath might be incompatible with the version used when compiling package.class.

原因是spark和scala的版本不匹配造成的.
自己查询maven仓库添加对应版本的scala依赖
比如我使用的spark版本是2.2.0
scala版本是2.10.*
在这里插入图片描述 ``

<!-- https://mvnrepository.com/artifact/org.apache.spark/spark-core -->
<dependency>
    <groupId>org.apache.spark</groupId>
    <artifactId>spark-core_2.10</artifactId>
    <version>2.2.0</version>
</dependency>

放上我的pom文件

<properties>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <encoding>UTF-8</encoding>
        <scala.version>2.10.6</scala.version>
        <spark.version>2.2.0</spark.version>
        <hadoop.version>2.6.4</hadoop.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-library</artifactId>
            <version>${scala.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.10</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.10</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-hive_2.10</artifactId>
            <version>${spark.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-client</artifactId>
            <version>${hadoop.version}</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.27</version>
        </dependency>

        <dependency>
            <groupId>com.typesafe</groupId>
            <artifactId>config</artifactId>
            <version>1.3.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-client</artifactId>
            <version>1.2.0</version>
            <exclusions>
                <exclusion>
                    <groupId>com.google.guava</groupId>
                    <artifactId>guava</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-server</artifactId>
            <version>1.2.0</version>
            <exclusions>
                <exclusion>
                    <groupId>com.google.guava</groupId>
                    <artifactId>guava</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

    </dependencies>