小编Mar*_*her的帖子

我的应用程序出了问题,我想在其中创建一个连接到我的服务器的简单XMPP客户端.当我启动应用程序(编译运行没有问题)时,我遇到了以下问题,但我的应用程序立即关闭.

   java.lang.NoClassDefFoundError: Failed resolution of: Lorg/jxmpp/util/XmppStringUtils;
        at org.jivesoftware.smack.provider.ProviderManager.getKey(ProviderManager.java:314)
        at org.jivesoftware.smack.provider.ProviderManager.addStreamFeatureProvider(ProviderManager.java:304)
        at org.jivesoftware.smack.provider.ProviderManager.addLoader(ProviderManager.java:140)
        at org.jivesoftware.smack.initializer.UrlInitializer.initialize(UrlInitializer.java:54)
        at org.jivesoftware.smack.SmackInitialization.loadSmackClass(SmackInitialization.java:232)
        at org.jivesoftware.smack.SmackInitialization.parseClassesToLoad(SmackInitialization.java:193)
        at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitialization.java:163)
        at org.jivesoftware.smack.SmackInitialization.processConfigFile(SmackInitialization.java:148)
        at org.jivesoftware.smack.SmackInitialization.<clinit>(SmackInitialization.java:116)
        at org.jivesoftware.smack.SmackConfiguration.getVersion(SmackConfiguration.java:96)
        at org.jivesoftware.smack.ConnectionConfiguration.<clinit>(ConnectionConfiguration.java:38)
        at org.reisacher.zapp.Main.login(Main.java:30)
        at org.reisacher.zapp.Main.onCreate(Main.java:73)
        at android.app.Activity.performCreate(Activity.java:5990)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390)
        at android.app.ActivityThread.access$800(ActivityThread.java:151)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:135)
        at android.app.ActivityThread.main(ActivityThread.java:5257)
        at java.lang.reflect.Method.invoke(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:372)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
 Caused by: java.lang.ClassNotFoundException: Didn't find class "org.jxmpp.util.XmppStringUtils" on path: DexPathList[[zip file "/data/app/org.reisacher.zapp-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:469
at org.jivesoftware.smack.provider.ProviderManager.getKey(ProviderManager.java:314) …