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Questions tagged [classnotfoundexception]

The Java exception thrown when an application tries to load a class by name but is not able to find the class.

The Java exception thrown when an application tries to load a class by name. Usually raised by one of:

  • the forName(String) method in class Class
  • the findSystemClass(String) method in class ClassLoader
  • the loadClass(String) method in class ClassLoader

when no definition for the class with the specified name could be found in the .

Don't confuse it with , it's a different kind of error, see the following links for more details:

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Hadoop distcp from a spring boot application - ClassNotFoundException

I am trying to submit distCP job from a spring boot application on a REST API call. version of spring: 1.5.13.RELEASE hadoop version: 2.7.3 below is the code I am using to instantiate the DistCP: List srcPathList = new…
sRey
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What does "Downloaded from anywhere" imply in the Android Vitals section in Play Developer Console?

Yesterday I released an update for a paid app that I have on Google Play Store. After a few hours, I got a 1-star review from a user who complained that the app was crashing, so I went to investigate it in the Android Vitals section of the…
Magnus
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why am I getting this exception java.lang.ClassNotFoundException: org.glassfish.jersey.servlet.ServletContainer.class I've included all the libraries?

java.lang.ClassNotFoundException: org.glassfish.jersey.servlet.ServletContainer.class at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1928) at…
Lokesh Kumar
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Exception in thread "JavaFX Application Thread" java.lang.NoClassDefFoundError: javafx/scene/control/ButtonBar

I am new to JavaFx and I learned that I could create notifications using controlsfx . However, after including the package and running the notification code I get a class not found exception and I don't have any idea how to tackle it since I have…
Reuben Frimpong
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java.lang.ClassNotFoundException: org.eclipse.jetty.util.log.Logger

Hey guys i am beginner in Java programming and i am making a DiscordBot for my Discord server. Code is all right i was following the tutorial but when i try to start the program i get this error: "java.lang.ClassNotFoundException:…
Tomáš Vranský
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I am getting an Servlet /SpringCRUD threw load() exception java.lang.ClassNotFoundException: DispatcherServlet

I am aware that this is a duplicate question but I could not find my solution in any of the previous answers. I have tried all the solutions from the answers: I have added the below in my pom.xml org.springframework spring-context …
Ribs
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Deployment Assembly and CLASSNOTFOUND Java/MySQL Issue

I've been looking on here for a couple of hours and tried a bunch of different solutions, but I haven't gotten any further. I've got my .jar file in my environment variables and all that. I made sure Eclipse has mysql-connector...jar in my build…
Nick Tydryszewski
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OserverCommandGetGephi ClassNotFoundException OrientDB 3.0.6

Environment : Docker : version 1.12.6 Linux : Centos 7 Java : Java 1.8.0_45 OrientDB : 3.0.6 Am trying to invoke OrientDB instance from an image built up using the Dockerfile from…
ccxdeveloper
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ClassNotFoundException: com.itextpdf.text.Element

Situation: I have a Java file in my project that uses the features of the iTextPDF library. The project compiles properly. I use JDK 1.7, Tomcat 7.45 and Eclipse Neon.3 Release (4.6.3). Problem: While starting the server via Eclipse, I get an…
Abhishek
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Apache POI Classnotfound Exception org.apache.poi.ss.usermodel.Cell

Hello I am getting the following exception when running the jar. Can somebody help please? U2007750s-MacBook-Pro:target u2007750$ java -jar ExcelCSVConverter-0.0.1-SNAPSHOT.jar Error: A JNI error has occurred, please check your installation and…
farahm
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ClassNotFoundException and NPE at the same time

My code is supposed to search a record within the database which contains id typed into IDname JTextField. Suddenly I've got this error: java.lang.NullPointerException java.lang.ClassNotFoundException:…
Robert Dekarz
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Unable to create simple java restapi in eclipse

I am following this link for creating a simple Java restApi in Eclipse: https://www.youtube.com/watch?v=5jQSat1cKMo. However, I am getting a 404 response and console reports an error of java.lang.ClassNotFoundException:…
Eswar
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How can I dynamically load TeamCity subprojects in Kotlin DSL

I'm configuring a TeamCity 2018.1 instance using Kotlin portable DSL. When I exported the DSL from the TeamCity web UI, my project structure looked like this: |- Project A |- Project B This gave me a file system structure that looked…
codekaizen
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Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError

I've had a problem with my RESTApi service in JAVA. I'm a newbie in this language and answers in other topics doesn't seem to work for me. I added 2 external libs to my project and I think the problem is there. My pom.xml file looks like…
k1dl3r
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error loading bundle symfony 4

I created a bundle in symfony4 following the symfony 4 bundle docs my bundle class is this:
bcg
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