I am trying out a simple hello world app in JSF but based on the exception thrown by tomcat on start I see that FacesServlet is not getting initialized. I have the required jar files myfaces-api, b...

i was busy with my app for over a week, when suddenly: 11-12 07:59:17.860 1653-1653/nl.test.myapp E/AndroidRuntime﹕ FATAL EXCEPTION: main java.lang.RuntimeException: Unable to instantiate activity...

I have created a new control by extending an existing one, and I would like to use this new control in my JavaFX scenes. I would like to be able to edit my scenes using Scene Builder, but after add...

I'm continuously getting this error report in my Google Play developer console. It look like MultiDex error. java.lang.RuntimeException: at android.app.LoadedApk.makeApplication(LoadedApk....

I have a Unity game deployed to Android. In Google play console, I am seeing many crashes that happen on old Android versions (<=7.1). The crash is caused by a ClassNotFoundException, but the ...

I get this error: 06-06 10:45:19.685: E/AndroidRuntime(554): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.Android.myApp/com.Android.myApp.Facebook.Example...

I tried to create/run a basic JSP and ran into the following error. I saw that other people have had similar problems, however, I haven't been able to find (or properly implement) a solution ...

I have a Java Maven Project started in Eclipse, worked on it a few days, then imported it in IntelliJ IDEA, again working on it a few days. The normal Run/Execution in IDEA and via shell does wor...

Really newbie in java, Spanish-speaker, so, ill do my best for you to understand me :). I made a program which manages a mysql database for storing clientes, information about clients, etc. And gen...

when i debug in Eclipse a simple console application, I get a lot of ClassNotFoundException lines in the debug Window. It is not an error, somewhat lower in another pane I get "Source not found.". ...

I just added android Facebook SDK to my project to use Facebook ads to promote my app and the app crashes on starting, I got this exception here's the log E/AndroidRuntime: FATAL EXCEPTION: main ...

I try to run a instrumentation test via "gradlew connectedAndroidTest". I get following error: Tests on GT-I9305 - 4.3 failed: Instrumentation run failed due to 'java.lang.ClassNotFoundException' ...

I am trying to use Robolectric in order to unit test some classes in an Android application without using an emulator or a device. I would like, for example, to unit test a Dao class but I always h...

Actually I am getting an error: Exception in thread "main" java.lang.NoClassDefFoundError:sun/io/CharToByteConverter This is because in Java 8, the CharToByteConverter class has been removed as ...

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 H...

I have a strange issue. I have an app which I deployed on an Android 4.4 device and use Otto library. I deployed the app on an Android 5.0 device. It still works. I retried on the 4.4 and the app w...

I am developing a gateway for my micro services project using spring boot + netflix zuul. The gateway connects to netflix eureka server and filters the requests. But I am not able to bring up the z...

There is a VERY similar question to mine but in my case I don't have any duplicate jars in my build path, so the solution does not work for me. I've searched google for a couple of hours now, but n...

I am using latest version of Intellij Idea and set jdk as 11. When I execute my project it throws exception noclassfoundexception : java.sql.SQLException. In java compiler settings in Intellij I h...

Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/impl/client/DefaultHttpClient I am not able to resolve below error : Caused by: java.lang.NoClassDefFoundError...

I've run into this problem a few times and only just stumbled upon a (semi-) reliable solution, so thought I would post it here in case it helps anyone else, or in case I forget it, and also to ask...

I'm using Tomcat to deploy a java webapp. I get a very long stacktrace, in short: GRAVE: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.Lifecyc...

I am facing ClassNotFoundException in production build. Please find below exception logs. java.lang.RuntimeException: at android.app.LoadedApk.makeApplication (LoadedApk.java:578) at android.app...

I'm getting this error message when I run my sbt project in IntelliJ by right clicking "Debug". /home/johnreed/Applications/jdk1.8.0_73/bin/java -agentlib:jdwp=transport=dt_socket,address=127.0.0....

I was trying to do some basic database operations. I'm using STS 3.2.0, Apache Tomcat 7. My dispatcher-servlet.xml includes: <bean id="dataSource" class="org.springframework.jdbc.datasource.D...