报错，Class com.aliyun.fs.oss.nat.NativeOssFileSystem not found

我的是spark1.6，scala2.11 然后pom文件是

    <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-core -->
    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-core_2.11</artifactId>
        <version>1.6.0</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-sql -->
    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-sql_2.11</artifactId>
        <version>1.6.0</version>
    </dependency>

    <!--支持OSS数据源-->
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-core</artifactId>
        <version>1.4.1</version>
    </dependency>
    <!--支持OTS数据源-->
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-tablestore</artifactId>
        <version>1.4.1</version>
    </dependency>

    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-mns_2.10</artifactId>
        <version>1.4.1</version>
    </dependency>
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-logservice_2.10</artifactId>
        <version>1.4.1</version>
    </dependency>
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-maxcompute_2.10</artifactId>
        <version>1.4.1</version>
    </dependency>
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-ons_2.10</artifactId>
        <version>1.4.1</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.aliyun.emr/emr-sdk -->
    <dependency>
        <groupId>com.aliyun.emr</groupId>
        <artifactId>emr-sdk_2.11</artifactId>
        <version>1.3.2</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.aliyun.oss/aliyun-sdk-oss -->
    <dependency>
        <groupId>com.aliyun.oss</groupId>
        <artifactId>aliyun-sdk-oss</artifactId>
        <version>2.1.0</version>
    </dependency>

    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpcore</artifactId>
        <version>4.4.1</version>
    </dependency>

    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpasyncclient</artifactId>
        <version>4.1</version>
    </dependency>

    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpcore-nio</artifactId>
        <version>4.4.1</version>
    </dependency>

</dependencies>