Caused by java.lang.ClassNotFoundException: org.slf4j.LoggerFactory at com.yubico.yubikit.android.transport.usb.UsbYubiKeyManager.<clinit>(UsbYubiKeyManager.java:52) at com.microsoft.identity.common.internal.ui.webview.certbasedauth.YubiKitUsbSmartcardCertBasedAuthManager.

[Jake-Jiang]

      Caused by java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
   at com.yubico.yubikit.android.transport.usb.UsbYubiKeyManager.<clinit>(UsbYubiKeyManager.java:52)
   at com.microsoft.identity.common.internal.ui.webview.certbasedauth.YubiKitUsbSmartcardCertBasedAuthManager.<init>(YubiKitUsbSmartcardCertBasedAuthManager.java:68)
   at com.microsoft.identity.common.internal.ui.webview.certbasedauth.SmartcardCertBasedAuthManagerFactory.createUsbSmartcardCertBasedAuthManager(SmartcardCertBasedAuthManagerFactory.java:52)
   at com.microsoft.identity.common.internal.ui.webview.certbasedauth.CertBasedAuthFactory.<init>(CertBasedAuthFactory.java:60)
   at com.microsoft.identity.common.internal.ui.webview.AzureActiveDirectoryWebViewClient.<init>(AzureActiveDirectoryWebViewClient.java:107)
   at com.microsoft.identity.common.internal.providers.oauth2.WebViewAuthorizationFragment.onCreateView(WebViewAuthorizationFragment.java:160)
   at androidx.fragment.app.Fragment.performCreateView(Fragment.java:3115)
   at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:569)
   at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:278)
   at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2163)
   at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2058)
   at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2001)
   at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3266)
   at androidx.fragment.app.FragmentManager.dispatchActivityCreated(FragmentManager.java:3176)
   at androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:263)
   at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:350)
   at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1582)
   at android.app.Activity.performStart(Activity.java:9008)
   at android.app.ActivityThread.handleStartActivity(ActivityThread.java:4198)
   at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:225)
   at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:205)
   at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:177)
   at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:98)
   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2685)
   at android.os.Handler.dispatchMessage(Handler.java:106)
   at android.os.Looper.loopOnce(Looper.java:230)
   at android.os.Looper.loop(Looper.java:319)
   at android.app.ActivityThread.main(ActivityThread.java:8919)
   at java.lang.reflect.Method.invoke(Method.java)
   at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:578)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)