IDEA下的MAVEN项目提示代码错误但是编译没错?报错

IDEA版本为2016.3

书写为简单的Spark WordCount代码

import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;

/**
 * Created by Joe on 2017/4/20.
 */
public class WordCount {
    public static void main(String[] args) {
        SparkConf conf = new SparkConf().setMaster("local").setAppName("wordcount");
        JavaSparkContext context = new JavaSparkContext(conf);

        JavaRDD<String> lineRdd = context.textFile("C:\\spark-2.1.0-bin-hadoop2.6\\README.md");

        lineRdd.foreach(line -> System.out.println(line));

        JavaRDD<String> words = lineRdd.map(line -> {
            String[] speces = line.split(" ");
            return speces[0];
        });

        words.foreach(line -> System.out.println(line));
    }
}

但是在IDEA里面会有代码提示报错

但是在程序编译的时候是没有问题的。代码可以正常运行。

代码是正常退出的。

其中的Pom文件为

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.learn</groupId>
    <artifactId>spark_maven</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <!-- Change the nd4j.backend property to nd4j-cuda-7.5-platform or nd4j-cuda-8.0-platform to use CUDA GPUs -->
        <nd4j.backend>nd4j-native-platform</nd4j.backend>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <shadedClassifier>bin</shadedClassifier>

        <spark.version>2.1.0</spark.version>
        <scala.version>2.11.8</scala.version>
        <jedis.version>2.8.2</jedis.version>
        <fastjson.version>1.2.14</fastjson.version>
        <jetty.version>9.2.5.v20141112</jetty.version>
        <container.version>2.17</container.version>
        <java.version>1.8</java.version>

    </properties>

    <dependencies>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.11</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-mllib_2.10</artifactId>
            <version>${spark.version}</version>
        </dependency>



        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>${jedis.version}</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>${fastjson.version}</version>
        </dependency>

        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-server</artifactId>
            <version>${jetty.version}</version>
        </dependency>

        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-servlet</artifactId>
            <version>${jetty.version}</version>
        </dependency>

        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-util</artifactId>
            <version>${jetty.version}</version>
        </dependency>

        <dependency>
            <groupId>org.glassfish.jersey.core</groupId>
            <artifactId>jersey-server</artifactId>
            <version>${container.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet-core</artifactId>
            <version>${container.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.containers</groupId>
            <artifactId>jersey-container-jetty-http</artifactId>
            <version>${container.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.media</groupId>
            <artifactId>jersey-media-moxy</artifactId>
            <version>${container.version}</version>
        </dependency>


        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-compiler</artifactId>
            <version>${scala.version}</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-reflect</artifactId>
            <version>${scala.version}</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-library</artifactId>
            <version>${scala.version}</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-actors</artifactId>
            <version>${scala.version}</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang.modules</groupId>
            <artifactId>scala-parser-combinators_2.11</artifactId>
            <version>1.0.4</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang.modules</groupId>
            <artifactId>scala-xml_2.11</artifactId>
            <version>1.0.2</version>
        </dependency>
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scalap</artifactId>
            <version>${scala.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.module</groupId>
            <artifactId>jackson-module-jaxb-annotations</artifactId>
            <version>2.7.5</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.7.5</version>
        </dependency>

        <dependency>
            <groupId>org.codehaus.plexus</groupId>
            <artifactId>plexus-compiler-eclipse</artifactId>
            <version>2.2</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.5</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                    <compilerId>eclipse</compilerId>
                </configuration>

            </plugin>
        </plugins>
    </build>
</project>

请教如何使得IDEA不进行这个代码错误提示。