Java.lang.NoClassDefFoundError: org/apache/spark/Logging 意思是:在Java中发生了类未定义错误,无法找到org/apache/spark/Logging类。

11
我一直收到以下错误。有人可以帮助我吗?
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/Logging
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at com.datastax.spark.connector.japi.DStreamJavaFunctions.<init>(DStreamJavaFunctions.java:24)
    at com.datastax.spark.connector.japi.CassandraStreamingJavaUtil.javaFunctions(CassandraStreamingJavaUtil.java:55)
    at SparkStream.main(SparkStream.java:51)
    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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: java.lang.ClassNotFoundException: org.apache.spark.Logging
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 20 more

当我编译以下代码时,出现了错误。我在网上搜索了但没有找到解决办法。我添加saveToCassandra后出现了这个错误。
import com.datastax.spark.connector.japi.CassandraStreamingJavaUtil;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.streaming.Duration;
import org.apache.spark.streaming.api.java.JavaDStream;
import org.apache.spark.streaming.api.java.JavaPairInputDStream;
import org.apache.spark.streaming.api.java.JavaStreamingContext;
import org.apache.spark.streaming.kafka.KafkaUtils;

import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow;

/**
 * Created by jonas on 10/10/16.
 */
public class SparkStream implements Serializable{
        public static void main(String[] args) throws Exception{
        SparkConf conf = new SparkConf(true)
                .setAppName("TwitterToCassandra")
                .setMaster("local[*]")
                .set("spark.cassandra.connection.host", "127.0.0.1")
                .set("spark.cassandra.connection.port", "9042");
;
        JavaSparkContext sc = new JavaSparkContext(conf);
        JavaStreamingContext ssc = new JavaStreamingContext(sc, new Duration(5000));

        Map<String, String> kafkaParams = new HashMap<>();
        kafkaParams.put("bootstrap.servers", "localhost:9092");
        Set<String> topics = Collections.singleton("Test");

        JavaPairInputDStream<String, String> directKafkaStream = KafkaUtils.createDirectStream(
                ssc,
                String.class,
                String.class,
                kafka.serializer.StringDecoder.class,
                kafka.serializer.StringDecoder.class,
                kafkaParams,
                topics
        );

        JavaDStream<Tweet> createTweet = directKafkaStream.map(s -> createTweet(s._2));


        CassandraStreamingJavaUtil.javaFunctions(createTweet)
                .writerBuilder("mykeyspace", "rawtweet", mapToRow(Tweet.class))
                .saveToCassandra();

        ssc.start();
        ssc.awaitTermination();

    }


    public static Tweet createTweet(String rawKafka){
        String[] splitted = rawKafka.split("\\|");
        Tweet t = new Tweet(splitted[0], splitted[1], splitted[2], splitted[3]);
        return t;
    }
}

我的pom文件如下所示。
<?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>com.company</groupId>
    <artifactId>Sentiment</artifactId>
    <version>1.0-SNAPSHOT</version>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>twitter4j.org</id>
            <name>twitter4j.org Repository</name>
            <url>http://twitter4j.org/maven2</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
    </repositories>

    <dependencies>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-streaming_2.11</artifactId>
            <version>2.0.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.10</artifactId>
            <version>2.0.0</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.10</artifactId>
            <version>2.0.0</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-streaming-kafka-0-8_2.11</artifactId>
            <version>2.0.1</version>
        </dependency>


        <!-- https://mvnrepository.com/artifact/org.scala-lang/scala-library -->
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-library</artifactId>
            <version>2.11.8</version>
        </dependency>



        <!-- https://mvnrepository.com/artifact/com.datastax.spark/spark-cassandra-connector_2.10 -->
        <dependency>
            <groupId>com.datastax.spark</groupId>
            <artifactId>spark-cassandra-connector_2.10</artifactId>
            <version>1.6.2</version>
        </dependency>

        <dependency>
            <groupId>org.apache.kafka</groupId>
            <artifactId>kafka_2.10</artifactId>
            <version>0.9.0.0</version>
        </dependency>

        <dependency>
            <groupId>org.twitter4j</groupId>
            <artifactId>twitter4j-core</artifactId>
            <version>[4.0,)</version>
        </dependency>

        <dependency>
            <groupId>org.twitter4j</groupId>
            <artifactId>twitter4j-stream</artifactId>
            <version>4.0.4</version>
        </dependency>

        <dependency>
            <groupId>org.twitter4j</groupId>
            <artifactId>twitter4j-async</artifactId>
            <version>4.0.4</version>
        </dependency>
    </dependencies>


</project>
12个回答

14

org.apache.spark.Logging 在 Spark 版本 1.5.2 或更低版本中可用,但在 2.0.0 中不可用。请按以下方式更改版本。

    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-streaming_2.11</artifactId>
        <version>1.5.2</version>
    </dependency>

    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-core_2.10</artifactId>
        <version>1.5.2</version>
    </dependency>

    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-sql_2.10</artifactId>
        <version>1.5.2</version>
    </dependency>

    <dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-streaming-kafka-0-8_2.11</artifactId>
        <version>1.6.2</version>
    </dependency>

非常感谢。 - Jonas Cristens
18
使用更高版本的Spark有什么用处?如何使用2.x版本的Spark。 - jack AKA karthik
构建失败:找不到org.apache.spark:spark-streaming-kafka-0-8_2.11:jar:1.6.2的POM文件,无法获取依赖信息。 - Stepan Yakovenko
尝试从网上下载并复制到您的位置。这可能有助于下载jar包。https://jar-download.com/?search_box=spark-streaming-kafka-0-8_2.11-2.2.0&p=2 - Chandana Kumara

10

出现此错误是因为您正在使用 Spark 2.0 库与 Spark 1.6 的连接器(该连接器寻找 Spark 1.6 日志记录类) 。请使用 2.0.5 版的连接器。


2
如果您正在使用Pyspark呢? - GreenThumb
答案是一样的。 - RussS
谢谢@RussS,看起来是最好的解决方案,我找不到如何更新Python上的连接器,有人知道怎么做吗? - Simon30

6
由于1.5.2版本后缺少org.apache.spark.Logging类,就像每个人说的那样。(只有org.apache.spark.internal.Logging存在于以后的版本中...) 但似乎没有任何针对maven的解决方案可以解决这个依赖问题,所以我尝试手动将此类添加到lib中。以下是我的解决方法:
1. 将scala的org.apache.spark.internal.Logging打包成一个公共jar文件。或者从https://raw.githubusercontent.com/swordsmanliu/SparkStreamingHbase/master/lib/spark-core_2.11-1.5.2.logging.jar下载(感谢这个主机)。 2. 将jar文件移动到spark集群的jars目录中。 3. 再次提交您的项目,希望它能帮助您。

3

我通过更换上述提到的jar包获得了解决方案。

最初,我使用的是spark-kafka-streaming的降级版jar包:

<dependency>
        <groupId>org.apache.spark</groupId>
        <artifactId>spark-streaming-kafka-0-8_2.11</artifactId>
        <version>2.1.1</version></dependency>

我还从Spark和Kafka的jar库中删除了外部添加的多个sl4j-log4j.jars和log4j.jars。


2

如果您使用的是IntelliJ,只需勾选“包含提供范围的依赖项”框即可解决问题,无需修改pom文件或手动下载文件。


我正在使用IntelliJ,这个解决方案对我很有帮助。谢谢! :) - Vasanth Subramanian

1
下载 spark-core_2.11-1.5.2.logging.jar 并将其用作 --jar 选项。
spark-submit --class com.SentimentTwiteer --packages "org.apache.spark:spark-streaming-twitter_2.11:1.6.3" --jars /root/Desktop/spark-core_2.11-1.5.2.logging.jar /root/Desktop/SentimentTwiteer.jar consumerKey consumerSecret accessToken accessTokenSecret yoursearchTag

https://github.com/sinhavicky4/SentimentTwiteer


0

0

下载了jar包并在spark-submit中使用--jars参数,对我很有效。 spark-submit --class com.SentimentTwiteer --packages "org.apache.spark:spark-streaming-twitter_2.11:1.6.3" --jars /root/Desktop/spark-core_2.11-1.5.2.logging.jar /root/Desktop/SentimentTwiteer.jar XX XX XX XX


0

这个pom.xml文件解决了我的问题:

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.10</artifactId>
            <version>1.6.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-streaming_2.10</artifactId>
            <version>1.6.1</version>
        </dependency>

0
可能导致这个问题的一个原因是库和类冲突。我曾经遇到过这个问题,并使用一些Maven排除来解决它:
<dependency>
       <groupId>org.apache.spark</groupId>
       <artifactId>spark-core_2.11</artifactId>
       <version>2.0.0</version>
       <scope>provided</scope>
       <exclusions>
           <exclusion>
               <groupId>log4j</groupId>
               <artifactId>log4j</artifactId>
           </exclusion>
       </exclusions>
   </dependency>

   <dependency>
       <groupId>org.apache.spark</groupId>
       <artifactId>spark-streaming_2.11</artifactId>
       <version>2.0.0</version>
       <scope>provided</scope>
   </dependency>

   <dependency>
       <groupId>org.apache.spark</groupId>
       <artifactId>spark-streaming-kafka-0-10_2.11</artifactId>
       <version>2.0.0</version>
       <exclusions>
           <exclusion>
               <groupId>org.slf4j</groupId>
               <artifactId>slf4j-log4j12</artifactId>
           </exclusion>
           <exclusion>
               <groupId>log4j</groupId>
               <artifactId>log4j</artifactId>
           </exclusion>
       </exclusions>
   </dependency>

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