使用Maven打包和运行Scala Spark项目
我正在用Scala编写一个应用程序,使用。我使用Maven打包应用程序,在构建应用程序时遇到问题 我面临的问题是,在IDE中运行应用程序可以正常工作,或者如果我提供非uber jar版本的依赖项作为java类路径,但如果我将uber jar作为类路径,即使用Maven打包和运行Scala Spark项目,scala,maven,apache-spark,akka,Scala,Maven,Apache Spark,Akka,我正在用Scala编写一个应用程序,使用。我使用Maven打包应用程序,在构建应用程序时遇到问题 我面临的问题是,在IDE中运行应用程序可以正常工作,或者如果我提供非uber jar版本的依赖项作为java类路径,但如果我将uber jar作为类路径,即 java -Xmx2G -cp target/spark-example-0.1-SNAPSHOT-jar-with-dependencies.jar debug.spark_example.Example data.txt 不起作用。我收
java -Xmx2G -cp target/spark-example-0.1-SNAPSHOT-jar-with-dependencies.jar debug.spark_example.Example data.txt
不起作用。我收到以下错误消息:
ERROR SparkContext: Error initializing SparkContext.
com.typesafe.config.ConfigException$Missing: No configuration setting found for key 'akka.version'
at com.typesafe.config.impl.SimpleConfig.findKey(SimpleConfig.java:124)
at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:145)
at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:151)
at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:159)
at com.typesafe.config.impl.SimpleConfig.find(SimpleConfig.java:164)
at com.typesafe.config.impl.SimpleConfig.getString(SimpleConfig.java:206)
at akka.actor.ActorSystem$Settings.<init>(ActorSystem.scala:168)
at akka.actor.ActorSystemImpl.<init>(ActorSystem.scala:504)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:141)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:118)
at org.apache.spark.util.AkkaUtils$.org$apache$spark$util$AkkaUtils$$doCreateActorSystem(AkkaUtils.scala:122)
at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:54)
at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:53)
at org.apache.spark.util.Utils$$anonfun$startServiceOnPort$1.apply$mcVI$sp(Utils.scala:1991)
at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:160)
at org.apache.spark.util.Utils$.startServiceOnPort(Utils.scala:1982)
at org.apache.spark.util.AkkaUtils$.createActorSystem(AkkaUtils.scala:56)
at org.apache.spark.rpc.akka.AkkaRpcEnvFactory.create(AkkaRpcEnv.scala:245)
at org.apache.spark.rpc.RpcEnv$.create(RpcEnv.scala:52)
at org.apache.spark.SparkEnv$.create(SparkEnv.scala:247)
at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:188)
at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:267)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:424)
at debug.spark_example.Example$.main(Example.scala:9)
at debug.spark_example.Example.main(Example.scala)
以下是pom.xml文件:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>debug.spark-example</groupId>
<artifactId>spark-example</artifactId>
<version>0.1-SNAPSHOT</version>
<inceptionYear>2015</inceptionYear>
<properties>
<scala.majorVersion>2.11</scala.majorVersion>
<scala.minorVersion>.2</scala.minorVersion>
<spark.version>1.4.1</spark.version>
</properties>
<repositories>
<repository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</pluginRepository>
</pluginRepositories>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.majorVersion}${scala.minorVersion}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.majorVersion}</artifactId>
<version>${spark.version}</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<buildcommands>
<buildcommand>ch.epfl.lamp.sdt.core.scalabuilder</buildcommand>
</buildcommands>
<additionalProjectnatures>
<projectnature>ch.epfl.lamp.sdt.core.scalanature</projectnature>
</additionalProjectnatures>
<classpathContainers>
<classpathContainer>org.eclipse.jdt.launching.JRE_CONTAINER</classpathContainer>
<classpathContainer>ch.epfl.lamp.sdt.launching.SCALA_CONTAINER</classpathContainer>
</classpathContainers>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>attached</goal>
</goals>
</execution>
</executions>
<configuration>
<tarLongFileMode>gnu</tarLongFileMode>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.2</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<minimizeJar>false</minimizeJar>
<createDependencyReducedPom>false</createDependencyReducedPom>
<artifactSet>
<includes>
<!-- Include here the dependencies you want to be packed in your fat jar -->
<include>*:*</include>
</includes>
</artifactSet>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>reference.conf</resource>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.7</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
</plugin>
</plugins>
</reporting>
</project>
4.0.0
debug.spark示例
火花示例
0.1-1快照
2015
2.11
2.
1.4.1
scala-tools.org
Scala工具Maven2存储库
http://scala-tools.org/repo-releases
scala-tools.org
Scala工具Maven2存储库
http://scala-tools.org/repo-releases
org.scala-lang
scala图书馆
${scala.majorVersion}${scala.minorVersion}
org.apache.spark
spark-core{scala.majorVersion}
${spark.version}
src/main/scala
org.scala-tools
maven scala插件
编译
测试编译
org.apache.maven.plugins
maven eclipse插件
真的
ch.epfl.lamp.sdt.core.scalabuilder
ch.epfl.lamp.sdt.core.scalanature
org.eclipse.jdt.launching.JRE_容器
ch.epfl.lamp.sdt.launching.SCALA_集装箱
maven汇编插件
2.4
组装
包裹
附属的
gnu
带有依赖项的jar
org.apache.maven.plugins
maven阴影插件
2.2
包裹
阴凉处
假的
假的
*:*
*:*
META-INF/*.SF
META-INF/*.DSA
META-INF/*.RSA
reference.conf
org.apache.maven.plugins
maven surefire插件
2.7
真的
org.scala-tools
maven scala插件
非常感谢你的帮助 这可能与maven插件的顺序有关。您在项目中同时使用“maven assembly插件”和“maven shade插件”,这两个插件都绑定到maven生命周期的同一阶段。当这种情况发生时,maven按照插件在插件部分中出现的顺序执行插件,因此在您的例子中,它执行汇编插件,然后执行shade插件 根据您试图运行的输出jar和您拥有的阴影转换,您可能想要相反的顺序。但是,您可能甚至不需要用于您的用例的汇编插件。您可能可以使用
target/spark-example-0.1-SNAPSHOT-shaded.jar
文件
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<!-- SNIP -->
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<!-- SNIP -->
</plugin>
</plugins>
org.apache.maven.plugins
maven阴影插件
maven汇编插件
似乎必须使用Spark submit脚本来运行程序
而不是:
java -Xmx2G -cp target/spark-example-0.1-SNAPSHOT-jar-with-dependencies.jar debug.spark_example.Example data.txt
做一些类似于:
<path-to>/spark-1.4.1/bin/spark-submit --class debug.spark_example.Example --master local[2] target/spark-example-0.1-SNAPSHOT-jar-with-dependencies.jar data.txt
/spark-1.4.1/bin/spark-submit--class debug.spark_example.example--master local[2]target/spark-example-0.1-SNAPSHOT-jar-with-dependencies.jar data.txt
它似乎在没有阴影的罐子的情况下也能工作;只有具有依赖项的jar。以下pom.xml文件适用于我:
<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">
<modelVersion>4.0.0</modelVersion>
<groupId>debug.spark-example</groupId>
<artifactId>spark-example</artifactId>
<version>0.1-SNAPSHOT</version>
<inceptionYear>2015</inceptionYear>
<properties>
<scala.majorVersion>2.11</scala.majorVersion>
<scala.minorVersion>.2</scala.minorVersion>
<spark.version>1.4.1</spark.version>
</properties>
<repositories>
<repository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</pluginRepository>
</pluginRepositories>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.majorVersion}${scala.minorVersion}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.majorVersion}</artifactId>
<version>${spark.version}</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<buildcommands>
<buildcommand>ch.epfl.lamp.sdt.core.scalabuilder</buildcommand>
</buildcommands>
<additionalProjectnatures>
<projectnature>ch.epfl.lamp.sdt.core.scalanature</projectnature>
</additionalProjectnatures>
<classpathContainers>
<classpathContainer>org.eclipse.jdt.launching.JRE_CONTAINER</classpathContainer>
<classpathContainer>ch.epfl.lamp.sdt.launching.SCALA_CONTAINER</classpathContainer>
</classpathContainers>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>attached</goal>
</goals>
</execution>
</executions>
<configuration>
<tarLongFileMode>gnu</tarLongFileMode>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.7</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
</plugin>
</plugins>
</reporting>
</project>
4.0.0
debug.spark示例
火花示例
0.1-1快照
2015
2.11
2.
1.4.1
scala-tools.org
Scala工具Maven2存储库
http://scala-tools.org/repo-releases
scala-tools.org
Scala工具Maven2存储库
http://scala-tools.org/repo-releases
org.scala-lang
scala图书馆
${scala.majorVersion}${scala.minorVersion}
org.apache.spark
spark-core{scala.majorVersion}
${spark.version}
src/main/scala
org.scala-tools
maven scala插件
编译
测试编译
org.apache.maven.plugins
maven eclipse插件
真的
ch.epfl.lamp.sdt.core.scalabuilder
ch.epfl.lamp.sdt.core.scalanature
org.eclipse.jdt.launching.JRE_容器
ch.epfl.lamp.sdt.launching.SCALA_集装箱
maven汇编插件
2.4
组装
包裹
附属的
gnu
带有依赖项的jar
org.apache.maven.plugins
maven surefire插件
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>debug.spark-example</groupId>
<artifactId>spark-example</artifactId>
<version>0.1-SNAPSHOT</version>
<inceptionYear>2015</inceptionYear>
<properties>
<scala.majorVersion>2.11</scala.majorVersion>
<scala.minorVersion>.2</scala.minorVersion>
<spark.version>1.4.1</spark.version>
</properties>
<repositories>
<repository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</pluginRepository>
</pluginRepositories>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.majorVersion}${scala.minorVersion}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.majorVersion}</artifactId>
<version>${spark.version}</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<buildcommands>
<buildcommand>ch.epfl.lamp.sdt.core.scalabuilder</buildcommand>
</buildcommands>
<additionalProjectnatures>
<projectnature>ch.epfl.lamp.sdt.core.scalanature</projectnature>
</additionalProjectnatures>
<classpathContainers>
<classpathContainer>org.eclipse.jdt.launching.JRE_CONTAINER</classpathContainer>
<classpathContainer>ch.epfl.lamp.sdt.launching.SCALA_CONTAINER</classpathContainer>
</classpathContainers>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>attached</goal>
</goals>
</execution>
</executions>
<configuration>
<tarLongFileMode>gnu</tarLongFileMode>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.7</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
</plugin>
</plugins>
</reporting>
</project>
<transformer
implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>reference.conf</resource>
</transformer>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>akka.Main</Main-Class>
</manifestEntries>
</transformer>