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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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OpenJDK-11 issue while accessing Jaxb Jars packaged inside war/lib from tomcat/lib Jar

We are having a custom utility jar in tomcat/lib folder. This custom utility needs access to Jaxb jars which is not part of Jdk-11. We already modified application dependencies to include Jaxb jars & these are now getting packaged in our…
Akhil Shrivastava
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VSCODE : java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

I am getting classpath not found exception in vscode and spring mvc. I tried all the solutions available on SO, None of them worked. [Tomcat 8.5]: Jun 10, 2020 11:09:50 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web…
Jay Dangar
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Deploymennt issues, class not found even if in pom

When I am trying to run my app I have the following error message : cannot Deploy pro_jpa deploy is failing=Error occurred during deployment: Exception while deploying the app [pro_jpa] : java.lang.NoClassDefFoundError:…
Quentin M
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Adding custom handler to jetty throws ClassNotFoundException

I am trying to inject a custom handler to jetty. I have written the handler in my application code which is packaged as a war. package com.foo.bar import javax.servlet.http.{HttpServletRequest, HttpServletResponse} import…
Arpit Jain
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java.lang.ClassNotFoundException: org.primefaces.model.chart.ChartSeries

I'm trying to do a project with primefaces. When I run the wildfly server, it gives me this error. 13:19:44,156 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC000001: Failed to start service…
demir5334
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Running JUnit test from IntelliJ IDEA 2020.1 generates ClassNotFoundException

Running a JUnit test from IntelliJ IDEA 2020.1 generates the following error: Error:Internal error: (java.lang.ClassNotFoundException) com.android.repository.api.ProgressIndicator java.lang.ClassNotFoundException:…
ROMANIA_engineer
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PlayStore crash ClassNotFoundException after upgrading to androidX

I am getting a crash in playstore after upgrading to androidX with the following stack trace java.lang.RuntimeException: at android.app.ActivityThread.handleReceiver (ActivityThread.java:3960) at android.app.ActivityThread.access$1400…
Aditya Biswas
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javax.naming.NameNotFoundException after restart windows in EJB

I'm following an online guide to learn EJB. Before the introdution of Singleton (@ConcurrencyManagement, @Lock, and so on) everything worked perfectly, testing by JUnit Test. When I start to use singleton, I discovered, during the testing, thet JNDI…
Giacomo Brunetta
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Jar file has the class, still I get java.lang.ClassNotFoundException: org.apache.kafka.clients.consumer.ConsumerRecord

I am running spark streaming job to consume from kafka using Direct approach (for kafka 0.1.0 or greater). Built POM file using maven-assembly-plugin and checked the contents of jar file using jar tf | grep ConsumerRecord. I get the…
Satya Pavan
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ClassNotFoundException when trying to decode object from String

Alright so I've got this Android Studio app with user class public class User{ int age; String name; int yearOfBirth; } And then I've got this two methods public static Object fromString(String s) throws IOException,ClassNotFoundException…
Martin Lukas
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Exception java.lang.NoClassDefFoundError JavaMail Tomcat v8.5

I'am trying to send an automatic email with JavaMail on Oracle. I added external JARs on Java Build Path (mail.jar and activation.jar). I don't know what I'm doing wrong because I get this error message: java.lang.ClassNotFoundException:…
Lely22
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ClassNotFoundException when trying to import plugin in Burp

I am facing this problem since yesterday, Burp started showing the error below when trying to import the .jar file of the plugin, but Netbeans has no issues compiling it. I imported Selenium through the Maven dependency in the pom.xml file and each…
Stefano
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ClassPathXmlApplicationContext Not found

Getting Exception for ClassPathXmlApplicationContext Not found exception. I have added core spring dependency: org.springframework spring-core …
Abhimanu Rana
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How to produce an executable jar file with all maven dependencies?

I have a maven project and I would like to produce the jar file with all dependencies. I use package shade plugin and the command mvn package to produce the jar file. However, the produced jar file does not consider any of the dependencies that is…
aga.91
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ClassNotFound Exception Occured while consuming JMS ObjectMessage

I am consuming a JMS ObjectMessage through a listener written in Spring Boot. I am sending the ObjectMessage through my Camel application to ActiveMQ queue and I am listening to the queue from my listener class in my Spring Boot application. Code:…
sidd
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