Помощ при програмиране, отговори на въпроси / Scala / java.lang.NoClassDefFoundError: com / typesafe / config / ConfigFactory при пакетиране на проект Scala с Maven - scala, maven

java.lang.NoClassDefFoundError: com / typesafe / config / ConfigFactory при опаковането на проекта Scala с Maven - scala, maven

Този въпрос е продължение на тази тема.

Проблемът, който имам, се отнася до опаковането на проекта Scala Spark, използвайки Maven.

Когато изпълнявам тази команда:

spark-submit --name 28 --master local[2] --class org.test.consumer.TestRunner 
/usr/tests/test1/target/test_service-1.0-SNAPSHOT.jar 
$arg1 $arg2 $arg3 $arg4 $arg5

..., получавам следната грешка:

Exception in thread "main" java.lang.NoClassDefFoundError: com/typesafe/config/ConfigFactory
at org.test.consumer.kafka.KafkaConsumer.<init>(KafkaConsumer.scala:38)
at org.test.consumer.TestRunner$.main(TestRunner.scala:19)
at org.test.consumer.TestRunner.main(TestRunner.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:729)
at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:185)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:210)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:124)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: java.lang.ClassNotFoundException: com.typesafe.config.ConfigFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 12 more

Това е моето течение pom.xml който разглежда препоръките от горепосочената тема (проверих, че генерираният jar съдържа скала класове):

<?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.test.consumer</groupId>
<artifactId>test_service</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>utf-8</project.reporting.outputEncoding>

<java.version>1.8</java.version>
<scala.version>2.11.8</scala.version>
</properties>

<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-streaming_2.11</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-streaming-kafka_2.11</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-scala_2.11</artifactId>
<version>2.7.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.5</version>
</dependency>
<dependency>
<groupId>org.sedis</groupId>
<artifactId>sedis_2.11</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>com.lambdaworks</groupId>
<artifactId>jacks_2.11</artifactId>
<version>2.3.3</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-sql_2.11</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-mllib-local_2.11</artifactId>
<version>2.0.0</version>
</dependency>
<dependency>
<groupId>com.github.nscala-time</groupId>
<artifactId>nscala-time_2.11</artifactId>
<version>2.12.0</version>
</dependency>
</dependencies>

<build>
<plugins>
<!-- Configure maven-compiler-plugin to use the desired Java version -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
</plugin>

<!-- Use build-helper-maven-plugin to add Scala source and test source directories -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>1.10</version>
<executions>
<execution>
<id>add-source</id>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sources>
<source>src/main/scala</source>
</sources>
</configuration>
</execution>
<execution>
<id>add-test-source</id>
<phase>generate-test-sources</phase>
<goals>
<goal>add-test-source</goal>
</goals>
<configuration>
<sources>
<source>src/test/scala</source>
</sources>
</configuration>
</execution>
</executions>
</plugin>

<!-- Use scala-maven-plugin for Scala support -->
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>scala-maven-plugin</artifactId>
<version>3.2.2</version>
<executions>
<execution>
<goals>
<!-- Need to specify this explicitly, otherwise plugin won"t be called when doing e.g. mvn compile -->
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>

</project>

Отговори:

5 за отговор № 1

Добавете това към вашия pom.xml.

<dependency>
<groupId>com.typesafe</groupId>
<artifactId>config</artifactId>
<version>1.3.1</version>
</dependency>

Имайте предвид, че не трябва да добавяте този буркан, ако вече е налице.

Изглежда, че бурканът трябва да е изпълним jar с всичките ви зависимости, пакетирани в jar файла. Ще трябва да използвате плъгин за сглобяване на maven да направя това.

  <build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>org.sample.App</mainClass>    // put your main class here.
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>

Този плъгин ще създаде допълнителен буркан (с изключение на обикновения jar) с добавено име -jar-with-dependencies, Използвайте този буркан вместо да използвате оригиналния буркан.