I keep getting a ClassNotFoundException every time I create an Android application in Eclipse. This is something that has never happened before up until this morning after using Eclipse for months....

I am new to spring boot space. I am following a tutorial learning to create OAuth authentication server. While configuring the AuthorizationServerConfig.java the instructor imports 'ProviderSetting...

Why I'm getting this PHP error? Fatal error: Class 'PHPUnit_Framework_TestCase' not found in ...

I'm hoping one of you lovely people will be able to help me with this, as I've spent a number of fruitless hours already trying to make everything play nice! I've traced the issue down to Classlo...

I am trying to use H2 to connect to a database in Java (using Eclipse as the IDE). The sample does (below) throws a ClassNotFoundException. The thing is, I did add the h2 jar file to the syst...

I am trying to run a Java application, but getting this error: java.lang.ClassNotFoundException: After the colon comes the location of the class that is missing. However, I know that that locat...

I included these in the Build Path: all Spring libs Apache Tomcat 7.0 library The project still fails during startup: SEVERE: Error configuring application listener of class org.springframewor...

I'm running a KeyCloak server to authenticate users who would like to gain access to a Spring Boot/Spring Web REST API. However, an error occurs while trying to authenticate. The following works: ...

I tried this code in my Netbeans 7.4 and it works without problem import java.io.IOException; import java.net.URL; import javax.net.ssl.HttpsURLConnection; public class JavaApplication148 { publ...

I am running Eclipse on Windows. Following this tutorial I downloaded JDBC4, added it to my build path using Project>Properties>add External JAR, browsed for the file, it worked (.classpath file s...

Most of the devices can run my app but I got this error report : java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.company.app/com.company.app.MainActivity}: java.lang.C...

While trying to setup the tomcat server for my project I get the following error: Please see the full stack trace below: java.lang.ClassNotFoundException: com.springsource.tcserver.serviceability....

This is my code for which I am getting error. My classes12.jar has been imported as an external jar. import java.io.IOException; import java.io.PrintWriter; import java.sql.Connection; import java...

I am creating simple servlet and deploying it in tomcat server but I am getting the following error: HTTP Status 500 - Error instantiating servlet class pkg.coreServlet File Structure on the t...

I am getting an error while running this code in Eclipse. I have created Student.java file: public class Student { private int id; private String name; private String email; private int marks; ...

android.view.WindowInsets is added in API level 20. I import android.view.WindowInsets in my CustomLayout and override onApplyWindowInsets(WindowInsets insets), but ClassNotFoundException occurs ...

I want to give Kotlin a try, so I decided to try to convert a single class of my project to Kotlin and see how it integrates with my workflow before trying to convert my entire project. I am able t...

I'm trying to run my junit test (to verify that a properties file loads correctly) but I get ClassNotFoundException although the class is there and all required libraries are there too. Here it i...

I am getting this message and I have no idea how to resolve it. Searched online and tried to implement their suggestion, but no luck yet. I basically followed the instructions specified in this l...

I'm having an issue running my application when certain elements exist in the layout of my activity. I have the following layout, and I have issue when I include the "Space" element: <?xml vers...

I have been getting a ClassNotFoundException with org.glassfish.jersey.servlet.ServletContainer but it peculiarly started last night when I tried to start/re-start my Tomcat server (v7) with Eclips...

I made an application which take elf file(*.a and *.o) and give list of methods name, but if someone renames any file into *.a or *.o then it will show: Exception occurred during event dispatching...

I have created and published my first Android app. It's very simple. It works fine on simulator and some phones, but I am getting this error: java.lang.RuntimeException: Unable to instantiate appl...

I want to see content of message which have been queued in ActiveMQ queues. I opened web-console.(http://localhost:8161/admin/queues.jsp) and clicked on message-id of the message of queue. It gives...

I want to map over the characters in a string, but I'm getting runtime errors. Example: object Hello { def hello(c: Char) { print(c) } def main(args: Array[String]) { "Hello World!".map(hel...