大三上寒假15天--第5天
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昨天的下载完成后运行报错，应该是下载的spark版本和教程不符合，然后pom.xml文件中的spark-core内容而应该不同，但是我还是用的教程导致，现在正在尝试安装教程给的网站找的内容又下载中，不知道这次又要下载多久。（我下载的是spark 2.4.4）
<?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/maven-v4_0_0.xsd"> <parent> <artifactId>spark-parent_2.11</artifactId> <groupId>org.apache.spark</groupId> <version>2.4.4</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>spark-core_2.11</artifactId> <name>Spark Project Core</name> <url>http://spark.apache.org/</url> <build> <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> <resources> <resource> <directory>${project.basedir}/src/main/resources</directory> </resource> <resource> <filtering>true</filtering> <directory>${project.build.directory}/extra-resources</directory> </resource> </resources> <plugins> <plugin> <artifactId>maven-antrun-plugin</artifactId> <executions> <execution> <phase>generate-resources</phase> <goals> <goal>run</goal> </goals> <configuration> <target> <exec> <arg /> <arg /> <arg /> </exec> </target> </configuration> </execution> </executions> </plugin> <plugin> <artifactId>maven-dependency-plugin</artifactId> <executions> <execution> <id>copy-dependencies</id> <phase>package</phase> <goals> <goal>copy-dependencies</goal> </goals> <configuration> <outputDirectory>${project.build.directory}</outputDirectory> <overWriteReleases>false</overWriteReleases> <overWriteSnapshots>false</overWriteSnapshots> <overWriteIfNewer>true</overWriteIfNewer> <useSubDirectoryPerType>true</useSubDirectoryPerType> <includeArtifactIds>guava,jetty-io,jetty-servlet,jetty-servlets,jetty-continuation,jetty-http,jetty-plus,jetty-util,jetty-server,jetty-security,jetty-proxy,jetty-client</includeArtifactIds> <silent>true</silent> </configuration> </execution> </executions> </plugin> </plugins> </build> <profiles> <profile> <id>Windows</id> <properties> <script.extension>.bat</script.extension> </properties> </profile> <profile> <id>unix</id> <properties> <script.extension>.sh</script.extension> </properties> </profile> <profile> <id>sparkr</id> <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven-plugin</artifactId> <version>1.6.0</version> <executions> <execution> <id>sparkr-pkg</id> <phase>compile</phase> <goals> <goal>exec</goal> </goals> </execution> </executions> <configuration> <executable>${project.basedir}${file.separator}..${file.separator}R${file.separator}install-dev${script.extension}</executable> </configuration> </plugin> </plugins> </build> </profile> </profiles> <dependencies> <dependency> <groupId>com.thoughtworks.paranamer</groupId> <artifactId>paranamer</artifactId> <version>2.8</version> <scope>runtime</scope> </dependency> <dependency> <groupId>org.apache.avro</groupId> <artifactId>avro</artifactId> <version>1.8.2</version> <scope>compile</scope> </dependency> <dependency> 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