noclassdeffounderror

问题 I have imported my project from Eclipse to Android Stdio and its runs on Lollipop devices if I run on kitkat devices it gives me "No class def found" exception. In my project I have two packages 1. com.qapp which has core functionality class and 2. om.qapp.common_class which has commonly used functionality class, for example I have UtillClass ,there is a method called showOkAlert it is used for show an alert dialog with "ok" button. If I called the showOkAlert methods from an Activity, its

问题 I am using the JavaCV library with pre-built OpenCV libraries for Android. I think I have setup Eclipse the right way, because I have included the jars both javacv.jar and javacpp.jar. In addition, the java-cv-android-arm.jar, in my project. Everything compiles fine, no errors, warning, anything that should be suspicious of something that will go wrong at runtime. But I get NoClassDefFOundError exception that is thrown in this method body below: @Override public void draw(Canvas canvas) { try

问题 This question already has answers here : java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config (2 answers) Closed 3 years ago . when I'm running my appication everything is ok to moment when I press the button and I'm redirecting to another xhtml page. Then eclipse console until I stop server display: SEVERE: Servlet.service() for servlet [Faces Servlet] in context with path [/ChatAzure] threw exception [javax/servlet/jsp/jstl/core/Config] with root cause java.lang

问题 I am writing a test using easymock + powermock, the reason I am using powermock is to mock a static method. my test class looks like: import static org.powermock.api.easymock.PowerMock.mockStatic; import org.junit.Assert; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.Mockito; import org.powermock.core.classloader.annotations.PrepareForTest; import org.powermock.modules.junit4.PowerMockRunner; @RunWith(PowerMockRunner.class) @PrepareForTest(StaticTest.class) public

问题 I am getting very interesting bug in one of my apps. My app is working fine on android L, But as soon as i try to run it on other android versions, I am getting ClassNotFoundException or NoClassDefFoundError while trying to call web services using Retrofit, even though all those classes are existing and working fine on my android L device. I don't know what's happening right now, app is running in other versions as long as i don't make a Network Request but as soon as i go for Network Request

问题 Some of users of my application got this exception java.lang.NoClassDefFoundError: [generic] at dalvik.system.NativeStart.main(Native Method) It's not common exception because of great number of users and only some of them have this exception. I don't use any native library and all externals libraries don't use any native code Version of Android where it happened: Android 4.0.3 - 4.0.4 (97.7%) Android 4.0 - 4.0.2 (1.5%) Android 4.1 (0.8%) Can anybody help me with workaround? Can receiver in

问题 I am having a runtime error ONLY when I test my Java program on a mac computer. It tests perfectly fine on various Windows operating systems. This is the error message I get on a Mac computer... Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: javax/swing/GroupLayout$Group at project.MainPanel.calculateButtonActionPerformed(MainPanel.java:198) at project.MainPanel.access$200(MainPanel.java:32) at project.MainPanel$3.actionPerformed(MainPanel.java:97) at javax.swing

问题 I have a problem with a project that use JasperReports 5.0.0 . I deployed a war with the jasper's libraries in another servers and I had not any problem. But in the productive enviornment, when I want generate a report, the aplication throws the next exception. java.lang.NoClassDefFoundError: org/apache/commons/javaflow/bytecode/Continuable The war contains the next jars: jasperreports-5.0.0.jar jasperreports-aplet-5.0.0.jar jasperreports-font-5.0.0.jar jasperreports-javaflow-5.0.0.jar And

问题 I'm asking this question on behalf of my team of two Android devs. I use Windows and my partner uses a Macbook. When sharing a project through Git, the classpaths accidentally got messed up. Here are a few observations: The library projects referenced (working initially) can't be resolved anymore. When adding through the Projects tab in 'Java Build Path', the libraries can be found. But the app crashes (due to NoClassDefFoundError ), again pointing towards a messy build path structure.

问题 I have tried to read a epub file for which im using http://www.siegmann.nl/epublib/android. Im trying the same sample which is given in the link, but im getting java.lang.NoClassDefFoundError . I tried all the way i can. Even by changing by adt,eclipse but i cant able to solve this issue. Please look into it and provide me some suggestions. 04-20 15:08:47.735: E/AndroidRuntime(4329): FATAL EXCEPTION: main 04-20 15:08:47.735: E/AndroidRuntime(4329): java.lang.ExceptionInInitializerError 04-20