I'm trying to find trending hashtags on twitter using Spark streaming.
os -> mac os
spark-version -> 2.2.1
scala-version -> 2.11.8
zeppelin-version -> 0.7.3
Above tools and versions I'm using. I have added three different jars to my zeppelin notebook:
twitter4j-core-4.0.4.jar
twitter4j-stream-4.0.4.jar
spark-streaming-twitter_2.10-1.0.0.jar
import org.apache.spark._
import org.apache.spark.SparkContext._
import org.apache.spark.streaming._
import org.apache.spark.streaming.twitter._
import org.apache.spark.streaming.StreamingContext._
def setUpTwitter() = {
import scala.io.Source
for (line <- Source.fromFile("/Users/abhijeet/Documents/sparkscala/SparkScala/twitter.txt").getLines) {
val fields = line.split(" ")
if (fields.length == 2){
System.setProperty("twitter4j.oauth." + fields(0), fields(1))
}
}
}
setUpTwitter()
val ssc = new StreamingContext(sc, Seconds(1))
def setupLogging() = {
import org.apache.log4j.{Level, Logger}
val rootLogger = Logger.getRootLogger()
rootLogger.setLevel(Level.ERROR)
}
setupLogging()
Upto this point in code zeppelin worked fine
val tweets = TwitterUtils.createStream(ssc, None)
In above line it started throwing error
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:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.apache.spark.streaming.twitter.TwitterUtils$.createStream(TwitterUtils.scala:44)
... 56 elided
Caused by: java.lang.ClassNotFoundException: org.apache.spark.Logging
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 69 more
After that I found org.apache.spark.Logging is available in Spark version 1.5.2 or lower version. It is not in the 2.0.0.
My concern is I'm using Zeppelin. I have no pom file here or anything to change the version.
What is the way to resolve this error?
Any help would be greatly appreciated!
Thank you
I found the solution by adding the jar
spark-core_2.11-1.5.2.logging.jar
Had issues with this and found another solution that I thought people might want to try. I had better luck using the org.apache.bahir version 2.40 if you are in a later version of spark (I'm on 3.0).
<!-- https://mvnrepository.com/artifact/org.apache.bahir/spark-streaming-twitter -->
<dependency>
<groupId>org.apache.bahir</groupId>
<artifactId>spark-streaming-twitter_2.12</artifactId>
<version>2.4.0</version>
</dependency>
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