The servicer is invalid. Please check your setup and try again (0XE8000022)

本文记录了作者遇到的一个关于iPad连接Xcode进行调试时出现的“服务无效”错误问题。作者尝试了多种解决办法,包括检查证书配置及清理项目等操作均未能解决问题,最终通过重启iPad成功解决了该问题。

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前些天iPad连接Xcode可以正常调试,今天新建了一个项目,显示ipad(unavailable)。编译,提示The servicer is invalid. Please check your setup and try again  (0XE8000022)。开始以为证书的问题,各种倒腾半天还是不行,clean也不好使,最后重启iPad,好了。无语……

/* 文件路径: kucun2/ExampleInstrumentedTest.java */ package com.example.kucun2; import android.content.Context; import androidx.test.platform.app.InstrumentationRegistry; import androidx.test.ext.junit.runners.AndroidJUnit4; import org.junit.Test; import org.junit.runner.RunWith; import static org.junit.Assert.*; /** * Instrumented test, which will execute on an Android device. * * @see <a href="http://d.android.com/tools/testing">Testing documentation</a> */ @RunWith(AndroidJUnit4.class) public class ExampleInstrumentedTest { @Test public void useAppContext() { // Context of the app under test. Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); assertEquals("com.example.kucun2", appContext.getPackageName()); } } Process: com.example.kucun2, PID: 21576 java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Iterator java.util.List.iterator()' on a null object reference at com.example.kucun2.Servicer.InventoryService.getProductsForOrder(InventoryService.java:314) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.updateChanpinSpinner(AddInventoryFragment.java:230) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.lambda$setupListeners$0(AddInventoryFragment.java:126) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.$r8$lambda$-5tg-g7tQFDiy_FrI04tqBjW2Ds(Unknown Source:0) at com.example.kucun2.ui.jinhuo.AddInventoryFragment$$ExternalSyntheticLambda4.onItemClick(D8$$SyntheticClass:0) at android.widget.AutoCompleteTextView.performCompletion(AutoCompleteTextView.java:1086) at android.widget.AutoCompleteTextView.-$$Nest$mperformCompletion(Unknown Source:0) at android.widget.AutoCompleteTextView$DropDownItemClickListener.onItemClick(AutoCompleteTextView.java:1466) at android.widget.AdapterView.performItemClick(AdapterView.java:330) at android.widget.AbsListView.performItemClick(AbsListView.java:1489) at android.widget.AbsListView$PerformClick.run(AbsListView.java:3609) at android.widget.AbsListView$3.run(AbsListView.java:4714) at android.os.Handler.handleCallback(Handler.java:1014) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loopOnce(Looper.java:250) at android.os.Looper.loop(Looper.java:340) at android.app.ActivityThread.main(ActivityThread.java:9913) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCall
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