classnotfoundexception

问题 The common problems when building and deploying Spark applications are: java.lang.ClassNotFoundException . object x is not a member of package y compilation errors. java.lang.NoSuchMethodError How these can be resolved? 回答1: Apache Spark's classpath is built dynamically (to accommodate per-application user code) which makes it vulnerable to such issues. @user7337271's answer is correct, but there are some more concerns, depending on the cluster manager ("master") you're using. First, a Spark

问题 i have implemented an new ImageLoaderView that extends view, with a code that works if i set the xml programatically. But as this seems to be difficult I am trying to make it work for an xml in my res layout folder, but i am getting an error. Below are my codes. LoaderImageView: package com.anon.android.test; import java.io.IOException; import java.net.MalformedURLException; import android.content.Context; import android.graphics.drawable.Drawable; import android.os.Handler; import android.os

问题 I recently had trouble with Hazelcast using ReplicatedMaps in a Dedicated Server / Hazelcast Client environment. I made a Stackoverflow post for it and a Hazelcast Ticket was made for it. Hazelcast ClassNotFound using Near Cache in Client I continued to work in my Environment and stumbled on another Error. I am not sure if it will be covered by a fix for my other problem so I post a new question here: My Environment is: I got a Dedicated Hazelcast 3.9.3 Server with a slightly modified

问题 I am attempting to run a project with a servlet that was working a few weeks ago (no modifications have been made since). However, when I run it I now get the following error: java.lang.ClassNotFoundException: javax.el.StaticFieldELResolver I've seen similar questions out there such as this one, but their solutions did not work for me. I've tried the following unsuccessfully: Removing all other library references other than JDK 1.7 and Apache Tomcat 7.0.41.0 Updating the web.xml file from 2.5

问题 I want to implement a RabbitMq(AMQP) messaging in java SpringBoot, but when I receive the message it says that the messaGE could not be deserialize because I the class for the object that I supposed to receive was not found even if I have that class int the classpath. RabbitMqListener.java: @EnableRabbit @Component public class RabbitMqListener { Logger logger = Logger.getLogger(RabbitMqListener.class); @RabbitListener(queues = "queue2") public void processQueue1(Product message) { logger

问题 getting this error at, Player mPlayer = spotify.getPlayer(playerConfig, this, new Player.InitializationObserver() { @Override public void onInitialized() { } }); } I am working on eclipse and i was added classes.jar file getting from spotifysdk-1.0.0-beta6.aar into libs folder Is there any other jar file missing for eclipse? Thank you, 来源： https://stackoverflow.com/questions/27358212/spotify-in-eclipse-getting-error-java-lang-noclassdeffounderror-com-spotify-sdk

问题 i am trying to run restlet on an ejre. In eclipse with normal jre the code works absolutely fine, but in the ejre i get the following exception: java.lang.ClassNotFoundException: com.sun.net.httpserver.HttpHandler cannot be found I am using restlet v. 2.2.1. for jee and Java SE Embedded Runtime Environment (build 1.7.0_21-b11, headless) Java HotSpot Embedded Client VM (build 23.21-b01, mixed mode) I tried restlet v. 2.1. as mentioned in here but it did not work. Had someone a similar problem?

问题 I am making a chat project. When i run it inside ide (netbeans) it opens normally and works great. But when i run it from terminal i'm getting error like this: Exception in thread "main" java.lang.NoClassDefFoundError: org/jgroups/Receiver at com.mycompany.chatapp1.ChatWindow.<init>(ChatWindow.java:32) at com.mycompany.chatapp1.Main.main(Main.java:10) Caused by: java.lang.ClassNotFoundException: org.jgroups.Receiver at java.net.URLClassLoader$1.run(URLClassLoader.java:372) at java.net

问题 I am trying to write a Java file that receives the source code of a MapReduce job, compiles it dynamically and runs the job on a Hadoop cluster. To reach this, I have written 3 methods called compile(), makeJAR() and run_Hadoop_Job(). Everything works fine with the compilation and creation of the JAR file. However, when the job is submitted to Hadoop, as soon as the job starts, it faces problem with finding required Mapper/Reducer classes and throws a ClassNotFoundException for both the

问题 I am new to Spark (Scala) and I am trying to run one spark application through spark submit. Unfortunately I am getting java.lang.ClassNotFoundException exception. Here is my spark submit command: ./spark-submit --class "spark.phoenix.a" --master local --deploy-mode client /home/ec2-user/phoenix-0.0.1-SNAPSHOT.jar Here is my Exception: java.lang.ClassNotFoundException: spark.phoenix.a at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader