classnotfoundexception

问题 I have setup a mina(2.0.4) server on PC, it works fine since I have written a mina client on PC to communincation with it. Then I implemented a synchronize Mina Client on android, but the client can not decode the received response message. I am new to Java and android, I have put 3 whole days effort on that. Anybody please help. thanks all in advance. I summarized my part code here: First setup mina client. public boolean startMinaClient(){ MessageCodecFactory factory = new

问题 I have an applet jar file cia.jar and the class in it main.class and I have my class in the package com.gmail.connorbphtml.WebApp . I am trying to embed my applet into a webpage. When I am trying to do this I get a class not found error. The applet works fine in Eclipse but then when I try to embed it it does not work. Here is my HTML using embed: <embed code="main.class" archive="cia.jar" width="200" height="200" type="application/x-java-applet;version=1.6.0" pluginspage="http://java.sun.com

问题 I have created a very simple Android app just to work with functionality. Within the app I would like to call a web service client to retrieve and display some data. I think I have succesfully imported and referenced the jar file (i.e. library). It appears to be instantiating the class successfully but when that class is referencing another class within the jar/library it throws a class not found error. Any ideas??? Anything else I can provide to help answer??? Here is my code: package mhcs

问题 I'm relatively new to Giraph and I'm trying to get my Giraph edit-compile-deploy loop working for our code. I am able to run various examples inspired by http://blog.cloudera.com/blog/2014/02/how-to-write-and-run-giraph-jobs-on-hadoop/ , but I'm stuck with a ClassNotFoundException when running my modified version of the SimpleShortestPathsVertex Giraph example. I've tried various combinations of -libjars and HADOOP_CLASSPATH, but I'm out of ideas and I'd really appreciate your help. Details

问题 I am trying to setup an example project that uses Jake Wharton's ActionBarSherlock with ActionBarSherlock-Plugin-Maps. I follow the instructions here and here. I do not necessarily need Fragments. Here is the simple class I created. package com.example.actionbarsherlock; import android.os.Bundle; import com.actionbarsherlock.app.SherlockMapActivity; public class MainActivity extends SherlockMapActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate

问题 While trying to setup the tomcat server for my project I get the following error: Please see the full stack trace below: java.lang.ClassNotFoundException: com.springsource.tcserver.serviceability.deploy.TcContainerDeployer 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

问题 In Netbeans ide 7.0, I am facing this particular problem. I wrote the following line of code in my program Class.forName("com.mysql.jdbc.Driver").newInstance(); This particular line is throwing an exception. And when I connected the same mysql db server from the "Services -> Databases -> Drivers -> MySQL(Connector/Jdriver)" in the netbeans 7.0, it got connected. When I went into the properties of that connection I found that it is connecting the mysql server using the same class which I used

问题 I am adding Search functionality to Action Bar in a SherlockListActivity however, when I try to instantiate SearchView its always null: @Override public boolean onCreateOptionsMenu(Menu menu) { getSupportMenuInflater().inflate(R.menu.activity_main_menu, menu); SearchView searchView = (SearchView) menu.findItem(R.id.activity_main_menu_search).getActionView(); searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener(){ public boolean onQueryTextSubmit(String p1){ List<Application>

问题 I am receiving a 'Unable to instantiate activity' error when I try to load up my program. One thing that baffles me is the exact same code works on my older PC. I just built a new one with new eclipse / android SDK / etc. I have both machines running the same code, one works fine and the other gives this error. Any thoughts? Edit: One thing I notice in the stack is Caused by: java.lang.ClassNotFoundException: com.voldaran.puzzle.graBLOX.PopActivity in loader dalvik.system.PathClassLoader[

问题 I have an app, let us call it 'com.company.foo', with a main Activity 'FooBar'. In my AndroidManifest.xml, I have <application android:label="@string/app_name" android:icon="@drawable/icon" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" > <activity android:name="FooBar" android:label="@string/app_name" android:configChanges="keyboardHidden|orientation" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /