noclassdeffounderror

Getting this Error on app launch. Fatal Exception: java.lang.NoClassDefFoundError: com.google.android.gms.internal.firebase-perf.zzw at com.google.firebase.perf.metrics.Trace.start(Unknown Source) at com.google.android.gms.internal.firebase-perf.zze.onActivityStarted(Unknown Source) at android.app.Application.dispatchActivityStarted(Application.java:205) at android.app.Activity.onStart(Activity.java:1156) at android.support.v4.app.FragmentActivity.onStart(Unknown Source) at android.support.v7.app.AppCompatActivity.onStart(Unknown Source) at android.app.Instrumentation.callActivityOnStart

I have an error while compiling report the error is: Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream this is the code: Map parameter = new HashMap(); parameter.put("customerId", notification_table.getValueAt(r, 0).toString()); ReportV sd = new ReportV(); sd.showReport(parameter); this is the class I used: import java.sql.*; import java.util.Map; import javax.swing.*; import static javax.swing.JFrame.EXIT_ON_CLOSE; import net.sf.jasperreports.engine.JasperCompileManager; import net.sf.jasperreports.engine.JasperFillManager; import net.sf

I'm writing an Japplet on Eclipse, and from a moment to another, it stopped to work on the html page. Here are the errors: Exception in thread "thread applet-main.MapGenerator.class-1" java.lang.NoClassDefFoundError: com/google/gson/Gson at main.Floor.parse(Floor.java:39) at main.MapGenerator.loadParameters(MapGenerator.java:64) at main.MapGenerator.start(MapGenerator.java:28) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1698) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.ClassNotFoundException: com.google.gson.Gson at sun.plugin2.applet

I am learning how to write BDD test scripts in JAVA using Cucumber. However, I keep getting the above error and not sure why. I have the Cukes Gherkin as a dependency. POM <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>Cucumber</groupId> <artifactId>Cucumber</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>info.cukes<

I'm trying to open an URI with Swing that I get above error. What is the reason and how can I fix it? When I do it in console everything is OK but when I do in GUI I get this error. I should say that I use Weblogic as server. Code private static void open(URI uri) { if (Desktop.isDesktopSupported()) { try { Desktop.getDesktop().browse(uri); } catch (IOException e) { /* TODO: error handling */ } } else { /* TODO: error handling */ } } Stack trace: Exception in thread "AWT-EventQueue-1" java.lang.NoClassDefFoundError: java/awt/Desktop at be.azvub.ext.bcfidownloder.BcfiDownloadPanel.open

I have three classes. Main, Core, and Start. Here is the code for Main: package com.leslie.quiz; public class Main { public static void main(String[] args) { com.leslie.quiz.Start.main(null); } } Here is the code for Core: package com.leslie.quiz; public class Core { public void coldlunch() { } public void hotlunch() { } } Here's the code for Start: package com.leslie.quiz; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JLabel; import java.awt.BorderLayout; import javax.swing.JButton; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; public class

I built a package called "com.hello" in eclipse and I wrote an easy HelloWorld program. Eclipse automatically added "package com.hello;" on top of my program. And HelloWorld.java was put in F:\workspace\helloWorld\src\com\hello; HelloWorld.class was put in F:\workspace\helloWorld\bin\com\hello. It worked very well in Eclipse. But when I entered the directory " F:\workspace\helloWorld\bin\com\hello " and used command line with "java HelloWorld," I got NoClassDefFoundError . I know it may have something to do with the classpath. But I'm not quite sure. Your class is in a package com.hello . To