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  1. ,
    Expert tip

    Check if you didn't forget to instantiate your topic in the kafka broker.

  2. ,

    This error comes up in the old version of spring-test , you should update tospring test 4.3.2

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via GitHub by nfx
, 1 year ago
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scala/collection/GenTraversableOnce$class
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java.lang.ClassNotFoundException: scala.collection.GenTraversableOnce$class	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at org.apache.spark.util.TimeStampedWeakValueHashMap.(TimeStampedWeakValueHashMap.scala:42)	at org.apache.spark.SparkContext.(SparkContext.scala:298)	at com.examples.testSparkPost$.main(testSparkPost.scala:27)	at com.examples.testSparkPost.main(testSparkPost.scala)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)