idea运行scala有问题

报这个错误：java.lang.NoSuchMethodError: scala.Predef$.refArrayOps([Ljava/lang/Object;)Lscala/collection/mutable/ArrayOps;

网上说的是maven和自己本地安装的scala不一致造成的。

解决方法，不引用自己的scala安装的，使用maven的

 <properties>

        <spark.version>2.2.</spark.version>

        <scala.version>2.11</scala.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.codehaus.jettison</groupId>

            <artifactId>jettison</artifactId>

            <version>1.3.</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-core_${scala.version}</artifactId>

            <version>${spark.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming_${scala.version}</artifactId>

            <version>${spark.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-sql_${scala.version}</artifactId>

            <version>${spark.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-hive_${scala.version}</artifactId>

            <version>${spark.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-sql-kafka--10_2.</artifactId>

            <version>2.2.</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming-kafka--10_2.</artifactId>

            <version>2.2.</version>

        </dependency>

pom.xml文件

巴特西

idea运行scala有问题

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