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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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How to fix the java.lang.ClassNotFoundException: sun.jdbc.odbc.JdbcOdbcDriver for an Excel File?

So, I was given a task to access the Test Data from MS Excel file as a Database in Java by using the TestNG framework and I am getting this exception. Here's how I saved the Excel file and other Java classes. Given below was the ExcelClass.java in…
KhiladiBhaiyya
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Kotlin : While running Hello Program getting ClassNotFoundException

package com.example.manish.myapplication import android.support.v7.app.AppCompatActivity import android.os.Bundle class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { …
Manish Singla
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Hibernate 3.6 Final requesting

I am using hibernate 3.6, normally annotation comes in 3.6 but i am getting an error
Noor
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ClassNotFoundException and NoClassDefFoundError while using Jaunt Library?

I am working on a web scraper using the Jaunt library. I am currently getting the runtime error while on the linux terminal: Error: A JNI error has occurred, please check your installation and try again Exception in thread "main"…
Otis Sistrunk
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java.lang.ClassNotFoundException: oracle.adf.view.rich.component.rich.RichPopup in ADF 12c

We have a pillar design for our Huge ADF application developed by jdeveloper 12.2.1.1.0. simply we separated our business into many workspaces as following: SharedUI.jar: contains skin, templates, declarative components, js and so…
Ahmed
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Android ClassNotFoundException On 4.4, 5.0 and 5.1 Devices

I'm receiving an extremely minimal error message, on the Play Dev Console. This appears to be a bug affecting many 4.4, 5.0 and 5.1 devices and the error is exactly the same on each: java.lang.RuntimeException: at…
AutoM8R
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Need help to setup Kotlin in AndroidStudio2.3.3

In my Android Studio 2.3.3 I have installed Kotlin plugin and then created a kotlin class activity. When I comple and run for that Activity I am getting ClassNotFoundException. I confirm that I have added the new Activity in the manifest file for…
heritageboy51
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Dependency exists but throwing ClassNotFoundException

I have added maven dependency to Pom.xml and I can see the class exists in Maven dependencies but when I run the application it is throwing ClassNotFoundException. Class image Error log image
garidepalli teja
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Ant java lang class not found exception

I am pretty new to Ant but, I have a general understanding. I just cannot get this to work.
Ruan33
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How can I deal with this classnotfoundexception when using scala in the command line?

When I run the code on an IDE, there's no compile errors. However, when I try to use spark-submit, I get java.lang.ClassNotFoundException every time. I've altered the source folder several times to no avail. I put the code here since coding code…
SP Kumar
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Jboss Wildfly migration Resteasy error

I'm currently migrating from Jboss 6 to Jboss 10.1 and keep running into the same error when trying to deploy: 14:39:10,147 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC000001: Failed to start service…
Smil
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eclipse trying to load a class that does not exist anymoe

I have a big project and i decided to change some of the packages inside and also rename and delete some classes. After I did it I am getting an error of: java.lang.ClassNotFoundException: Main.Ser_Network. That class does not exist anymore and i…
user4559332
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java.lang.ClassNotFoundException: Servlet.controller.MainController

I am making a project on online exam and I am working with jsp and servlet. But using servlet via xml mapping isn't working for me. Whenever I goto the url and write the jsp name then it opens because I have given url pattern annotation in servlets.…
rango
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Loading .dex dynamically in android

Is there any way to load .dex file dynamically at run time in android. I tried as below. try { File dexDir = getApplicationContext().getCacheDir(); String dexpath = Environment.getExternalStorageState()+"/app-debug.jar"; DexClassLoader…
MarkkyHenry
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ClassNotFoundException, how to find where missing class is used

I'm deploying EAR package on Weblogic 12c, and get the ClassNotFoundException. However, seems like the project doesn't have any reference to the missing class in question (I have searched the class name with zero results). I know this exception is…
Tuomas Toivonen
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