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这个是logcat出错部分 求大神指点
10-22 05:10:01.785 2706-2725/com.example.ys_iww.bigclass E/AVUncaughtExceptionHandler﹕ AVUncaughtExceptionHandler caught a NoClassDefFoundError exception
10-22 05:10:01.791 2706-2732/com.example.ys_iww.bigclass E/AVUncaughtExceptionHandler﹕ AVUncaughtExceptionHandler caught a NoClassDefFoundError exception
10-22 05:10:01.818 2706-2721/com.example.ys_iww.bigclass E/AVUncaughtExceptionHandler﹕ AVUncaughtExceptionHandler caught a NoClassDefFoundError exception
--------- beginning of crash
10-22 05:10:01.835 2706-2725/com.example.ys_iww.bigclass E/AndroidRuntime﹕ FATAL EXCEPTION: com.avos.avoscloud.AnalyticsRequestController
Process: com.example.ys_iww.bigclass, PID: 2706
java.lang.NoClassDefFoundError: Failed resolution of: Lokio/Buffer;
at com.squareup.okhttp.internal.Platform.concatLengthPrefixed(Platform.java:362)
at com.squareup.okhttp.internal.Platform$Android.configureTlsExtensions(Platform.java:210)
at com.squareup.okhttp.Connection.connectTls(Connection.java:230)
at com.squareup.okhttp.Connection.connectSocket(Connection.java:199)
at com.squareup.okhttp.Connection.connect(Connection.java:172)
at com.squareup.okhttp.Connection.connectAndSetOwner(Connection.java:367)
at com.squareup.okhttp.OkHttpClient$1.connectAndSetOwner(OkHttpClient.java:128)
at com.squareup.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:328)
at com.squareup.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:245)
at com.squareup.okhttp.Call.getResponse(Call.java:267)
at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:224)
at com.avos.avoscloud.PaasClient$RequestStatisticInterceptor.intercept(PaasClient.java:922)
at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:221)
at com.squareup.okhttp.Call.getResponseWithInterceptorChain(Call.java:195)
at com.squareup.okhttp.Call.execute(Call.java:79)
at com.avos.avoscloud.PaasClient$AVHttpClient.execute(PaasClient.java:900)
at com.avos.avoscloud.PaasClient.postObject(PaasClient.java:554)
at com.avos.avoscloud.PaasClient.postObject(PaasClient.java:535)
at com.avos.avoscloud.PaasClient.handleArchivedRequest(PaasClient.java:672)
at com.avos.avoscloud.PaasClient.handleArchivedRequest(PaasClient.java:622)
at com.avos.avoscloud.PaasClient.handleAllArchivedRequest(PaasClient.java:695)
at com.avos.avoscloud.AnalyticsImpl.sendArchivedRequests(AnalyticsImpl.java:486)
at com.avos.avoscloud.AnalyticsImpl.saveSessionsToServer(AnalyticsImpl.java:364)
at com.avos.avoscloud.AnalyticsImpl.report(AnalyticsImpl.java:307)
at com.avos.avoscloud.AnalyticsImpl.sendRequest(AnalyticsImpl.java:492)
at com.avos.avoscloud.BasicAnalyticsRequestDispatcher$1.handleMessage(BasicAnalyticsRequestDispatcher.java:22)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.os.HandlerThread.run(HandlerThread.java:61)
Caused by: java.lang.ClassNotFoundException: Didn't find class "okio.Buffer" on path: DexPathList[[zip file "/data/app/com.example.ys_iww.bigclass-1/base.apk"],nativeLibraryDirectories=[/data/app/com.example.ys_iww.bigclass-1/lib/x86, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
at com.squareup.okhttp.internal.Platform.concatLengthPrefixed(Platform.java:362)
at com.squareup.okhttp.internal.Platform$Android.configureTlsExtensions(Platform.java:210)
at com.squareup.okhttp.Connection.connectTls(Connection.java:230)
at com.squareup.okhttp.Connection.connectSocket(Connection.java:199)
at com.squareup.okhttp.Connection.connect(Connection.java:172)
at com.squareup.okhttp.Connection.connectAndSetOwner(Connection.java:367)
at com.squareup.okhttp.OkHttpClient$1.connectAndSetOwner(OkHttpClient.java:128)
at com.squareup.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:328)
at com.squareup.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:245)
at com.squareup.okhttp.Call.getResponse(Call.java:267)
at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:224)
at com.avos.avoscloud.PaasClient$RequestStatisticInterceptor.intercept(PaasClient.java:922)
at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:221)
at com.squareup.okhttp.Call.getResponseWithInterceptorChain(Call.java:195)
at com.squareup.okhttp.Call.execute(Call.java:79)
at com.avos.avoscloud.PaasClient$AVHttpClient.execute(PaasClient.java:900)
at com.avos.avoscloud.PaasClient.postObject(PaasClient.java:554)
at com.avos.avoscloud.PaasClient.postObject(PaasClient.java:535)
at com.avos.avoscloud.PaasClient.handleArchivedRequest(PaasClient.java:672)
at com.avos.avoscloud.PaasClient.handleArchivedRequest(PaasClient.java:622)
at com.avos.avoscloud.PaasClient.handleAllArchivedRequest(PaasClient.java:695)
at com.avos.avoscloud.AnalyticsImpl.sendArchivedRequests(AnalyticsImpl.java:486)
at com.avos.avoscloud.AnalyticsImpl.saveSessionsToServer(AnalyticsImpl.java:364)
at com.avos.avoscloud.AnalyticsImpl.report(AnalyticsImpl.java:307)
at com.avos.avoscloud.AnalyticsImpl.sendRequest(AnalyticsImpl.java:492)
at com.avos.avoscloud.BasicAnalyticsRequestDispatcher$1.handleMessage(BasicAnalyticsRequestDispatcher.java:22)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.os.HandlerThread.run(HandlerThread.java:61)
Suppressed: java.lang.ClassNotFoundException: okio.Buffer
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 30 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
这样比较具体的技术问题可以到 LeanCloud 论坛去问：https://forum.leancloud.cn/