noclassdeffounderror

问题 I'm trying to use the Joda Time library for my Android app to have ISO 8601 formatted dates. I followed this guide to load it into my project and I've imported the classes I'm using. Eclipse seems to recognize everything just fine as it auto-completed my imports. But when I run, it seems unable to find something. The first message I see is this: 06-06 13:53:38.831: W/dalvikvm(4172): VFY: unable to find class referenced in signature (Lorg/joda/time/DateTime;) followed by some more VFY messages

问题 I'm new to Selenium WebDriver using EclipseIDE with TestNG. I'm currently running this sample code in Eclipse via TestNG: import org.openqa.selenium.By; import org.openqa.selenium.WebElement; import org.openqa.selenium.firefox.FirefoxDriver; import org.testng.annotations.AfterTest; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; import java.util.List; public class CheesecakeFactory { FirefoxDriver driver; @BeforeTest public void startDriver() { driver = new

问题 We are using the JBoss EAP 6; Everything works well till production environment. But Post deployment in production, we are getting the below error: java.lang.NoClassDefFoundError: Could not initialize class javax.imageio.ImageIO The error happening in one of the servlet where we are creating the Captcha. This is the line where this error is happening : ImageIO.write(bufferedImage, "png", baos); Here is the stack trace for the Error : Server:server-three] Caused by: java.lang

问题 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 Process: www.pro_cs_is.com, PID: 20307 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/facebook/appevents/InternalAppEventsLogger; at com.facebook.marketing.internal.MarketingLogger.<init>(MarketingLogger.java:47) at com.facebook.marketing.internal.MarketingInitProvider.setupCodeless

问题 I am currently unable to connect to my cassandra database using the datastax driver. I am getting the following error: com.datastax.driver.core.TransportException: [/127.0.0.1] Unexpected exception triggered (java.lang.NoSuchMethodError: com.google.common.collect.ImmutableSet.copyOf(Ljava/util/Collection;)Lcom/google/common/collect/ImmutableSet;) at com.datastax.driver.core.Connection$Dispatcher.exceptionCaught(Connection.java:556) at org.jboss.netty.channel.SimpleChannelUpstreamHandler

问题 So I just created a new GAE project in Eclipse Indigo using the Google Eclipse Plugin, and I only have the following servlet: public class TestServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException { resp.setContentType("text/plain"); resp.getWriter().println("Hello, world"); Objectify obj = ObjectifyService.begin(); System.out.println(obj); } } But when I run the servlet on my browser I get: java.lang.NoClassDefFoundError: com

问题 I have a very simple code: package mygame; public class RunGame { public static void main(String[] args) { System.out.println(args[0]); } } I can compile that code but I cannot run it. When I type "java RunGame" in the command line I get: Exception in thread "main" java.lang.NoClassDefFoundError: RunGame (wrong name: mygame/RunGame). .... Could not find the main class: RunGame. Program will exit. 回答1: java mygame.RunGame is the java executable syntax. i.e, java classname.qualified.with.full

问题 I am trying to launch a new activity using the code: Intent i = new Intent(this, TempLobbyActivity.class); startActivity(i); finish(); When I launch this code I get the following exceptions when executing the Intent constructor. FATAL EXCEPTION: main Process: com.edr.iveflownthat, PID: 1457 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/edr/iveflownthat/TempLobbyActivity; at com.edr.iveflownthat.pages.MainActivity.tryAutoLogin(MainActivity.java:46) at com.edr.iveflownthat.pages

问题 when I run tomcat and the war is deployed I get : NoClassDefFoundError : org/apache/commons/collections/map/LRUMap Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/collections/map/LRUMap at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527) ~[spring-beans-3.1.0.RELEASE.jar:3.1.0.RELEASE] What is strange is that I got the commons-collections-2.1.jar (I

问题 I've installed Eclipse for android and that works okay. When I try to start a java-file I got the following error: Error occurred during initialization of VM java/lang/NoClassDefFoundError: java/lang/ref/FinalReference After some research I know it was something with buildpass but after trying I didn't got it to work. I removed it all (Eclipse, Java, Android) and reinstall everything but with the same disapointing result. Could somebody explain to me what to do because what I tried from the