classnotfoundexception

I'm a bit stuck on this. Android is throwing a ClassNotFoundException even though there is such a class. 04-20 09:07:50.179: E/AndroidRuntime(525): FATAL EXCEPTION: main 04-20 09:07:50.179: E/AndroidRuntime(525): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.company.app/com.company.app.Main}: java.lang.ClassNotFoundException: com.company.app.Main 04-20 09:07:50.179: E/AndroidRuntime(525): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880) 04-20 09:07:50.179: E/AndroidRuntime(525): at android.app.ActivityThread.handleLaunchActivity

I have an odd issue with codenameone, and I'm not even sure what went wrong. I've tried to "send windows phone build", and don't think I have changed anything else since then. However, after I did so the simulator wouldn't launch and kept saying my imports were wrong. They weren't, the suggested solution was importing once that were already in. The errors I get Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect

I am having problems trying to run my applet file when I upload it on my website. It keeps giving me errors, but works perfectly fine on my computer. I am using NetBeans to create my Applets and I used the <Applet> tag, since I remember using it and it worked. But NetBeans did state a warning message stating that the <Applet> tag has been deprecated and advised to use <Object> . Now this is where it gets a little harder for me, because I do not know how to use the <Object> tag for applets. I definitely searched for answers online. Each gives different ways of declaring it for an Applet, but

i'm having this problem with my receiver... 10-03 15:38:34.238: E/AndroidRuntime(32219): FATAL EXCEPTION: main 10-03 15:38:34.238: E/AndroidRuntime(32219): java.lang.RuntimeException: Unable to instantiate receiver com.rafael.acordenoponto.MonitoraGPS: java.lang.ClassNotFoundException: Didn't find class "com.rafael.acordenoponto.MonitoraGPS" on path: /data/app/com.rafael.acordenoponto-2.apk 10-03 15:38:34.238: E/AndroidRuntime(32219): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2285) 10-03 15:38:34.238: E/AndroidRuntime(32219): at android.app.ActivityThread.access$1600

I'm trying to build a quartz scheduler ejb app and have it deployed on JBOSS EAP 6.4. Additionally, I'm trying to do so using quartz JDBC jobstore using an Oracle 11g database. Now, the problem is that whenever I try to schedule a job, I get this exception : 18:45:01,024 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.deployment.unit."com.hp.heimdall.jar".component.QuartzBootstraper.START: org.jboss.msc.service.StartException in service jboss.deployment.unit."com.hp.heimdall.jar".component.QuartzBootstraper.START: java.lang

I am using eclipse to export the jar file of a map-reduce program. When i am run the jar using command hadoop jar hadoop-prog.jar WordCount /home/temp/input /home/temp/output it always shows the error : Exception in thread "main" java.lang.ClassNotFoundException: WordCount at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0