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Samebug tips

  1. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    
  2. ,
    Expert tip

    Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

Solutions on the web

java.lang.ClassNotFoundException: twitter4j.TwitterImpl	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:348)	at com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:154)	at com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:133)	at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:693)	at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:804)	at mx.july.jmx.util.cache.KryoSerializer.deserialize(KryoSerializer.java:86)	at mx.july.jmx.util.cache.KryoSerializer.deserialize(KryoSerializer.java:78)	at mx.july.jmx.runtime.RedisSession$SerializedValue.getObject(RedisSession.java:230)	at com.july.studio.compatibility.HttpSessionBridge.getAttribute(HttpSessionBridge.java:30)	at javax.servlet.http.HttpSession$getAttribute.call(Unknown Source)	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)	at Cisco.Social_WiFi_Connector.SocialTW_XHTML.render(Cisco.SocialTW.SocialTW_XHTML:238)	at com.july.widget.Widget.render(Widget.java:75)	at com.july.studio.util.WidgetRunner.lambda$1(WidgetRunner.java:204)	at io.vertx.rxjava.core.Vertx$2.handle(Vertx.java:543)	at io.vertx.rxjava.core.Vertx$2.handle(Vertx.java:541)	at io.vertx.core.impl.ContextImpl.lambda$executeBlocking$2(ContextImpl.java:303)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)