noclassdeffounderror

问题 I have a quite weird problem with some Android projects and Eclipse. I have a number of Android projects that all use much of the same code, and have therefore moved a lot of code into an Android Library project. This has, for a long time, worked quite well for three apps. Today, I wanted to use the library for a fourth app as well, and ran into trouble. Basically, the situation is as follows: Library project: contains a set of activities as well as some utility classes New project:

问题 I am running a shell script which calls a java class to get some data from database and create an excel report with that data. I get the error Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Workbook when the code hits the below line in my java class: XSSFWorkbook workbook = new XSSFWorkbook (); This is how I have defined the classpath: CLASSPATH=${CLASSPATH}:<path-to-jars>/poi-2.5.1-final-20040804.jar CLASSPATH=${CLASSPATH}:<path-to-jars>/poi-ooxml-3.11

问题 Our maven build throws at the end of the build of the shutdown of jetty a NoClassDefFoundError that I do not understand. Does anyone have an idea where this is comming from and how to fix it? Here is are the dependencies from the pom file: <dependencies> <dependency> <groupId>com.restfuse</groupId> <artifactId>com.eclipsesource.restfuse</artifactId> <version>1.0.0</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> <

问题 I've been working on a program that uses the Javamail API to send emails based on time events and certain conditions. The program runs perfectly in Eclipse (newest version) and the javamail and activator jars are in the build path, as are javamail's dependencies. The problem occurs when I export the project as a jar and try to run it. (The stack trace generated is the same that would be if the javamail jar was missing from the Eclipse build path). The stack trace is as follows: `Exception in

问题 First, I want to mention that I read many stackoverflow posts about NoClassDefFoundError , and I also read about it in many other blogs and websites, but the solutions that people offered didn't fix it. I am running Eclipse 64-bit with the ADT plugin version v21.0.1-543035 on Ubuntu 12.10 64-bit . Everything is 64-bit, Ubuntu, Eclipse and the JRE and JDK that I use (jdk1.6.0_38). I wrote a very small Android App that needs a class from the JDK to run. I isolated the problem a little, and

问题 I'm calling for a separate class I have written in same package as my MainActivity class is saved. but when I run the application it gives me java.lang.NoClassDefFoundError . I can't understand why another class defined in same package cannot be identified. I have tried many methods suggest for java.lang.NoClassDefFoundError but not any of them resolved the error. 08-26 10:43:27.776: E/dalvikvm(1311): Could not find class 'com.example.hcpandroid.SSLAuthenticate$1', referenced from method com

问题 What is the best logger framework which perfectly use in Android system for logging text into file? I tried to use SLF4J-android but I got an exception 04-29 12:58:57.604: E/AndroidRuntime(372): java.lang.NoClassDefFoundError: org.slf4j.LoggerFactory here is my code: public class Main extends TabActivity { private static final Logger log = LoggerFactory.getLogger(Main.class); I added the slf4j-android-1.6.1-RC1.jar into build path What will be the problem? 回答1: slf4j-android only supports

问题 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

问题 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

问题 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