Android CTS 不运行答案

【问题标题】：Android CTS doesn't runAndroid CTS 不运行
【发布时间】：2020-02-25 22:51:38
【问题描述】：

尝试在 Android P 上运行 CTS 时出现以下错误。知道出了什么问题吗？

$ ./android-cts/tools/cts-tradefed

cts-tf > 运行 cts

错误：

02-19 15:21:36 E/TestInvoca`enter code here`tion: Caught AssertionError while running invocation: java.lang.AssertionError: expected null, but was:<Unknown failure (at android.os.Binder.execTransact(Binder.java:731))>`enter code here`
02-19 15:21:36 E/TestInvocation: expected null, but was:<Unknown failure (at android.os.Binder.execTransact(Binder.java:731))>
java.lang.AssertionError: expected null, but was:<Unknown failure (at android.os.Binder.execTransact(Binder.java:731))>
    at org.junit.Assert.fail(Assert.java:88)
    at org.junit.Assert.failNotNull(Assert.java:755)
    at org.junit.Assert.assertNull(Assert.java:737)
    at org.junit.Assert.assertNull(Assert.java:747)
    at com.android.tradefed.testtype.InstrumentationTest.run(InstrumentationTest.java:707)
    at com.android.tradefed.testtype.AndroidJUnitTest.run(AndroidJUnitTest.java:264)
    at com.android.compatibility.common.tradefed.targetprep.ApkInstrumentationPreparer.instrument(ApkInstrumentationPreparer.java:129)
    at com.android.compatibility.common.tradefed.targetprep.ApkInstrumentationPreparer.run(ApkInstrumentationPreparer.java:77)
    at com.android.compatibility.common.tradefed.targetprep.PreconditionPreparer.setUp(PreconditionPreparer.java:65)
    at com.android.tradefed.invoker.InvocationExecution.doSetup(InvocationExecution.java:196)
    at com.android.tradefed.invoker.TestInvocation.prepareAndRun(TestInvocation.java:356)
    at com.android.tradefed.invoker.TestInvocation.performInvocation(TestInvocation.java:205)
    at com.android.tradefed.invoker.TestInvocation.invoke(TestInvocation.java:667)
    at com.android.tradefed.command.CommandScheduler$InvocationThread.run(CommandScheduler.java:566)

02-19 15:21:36 W/ResultReporter: Invocation failed: java.lang.AssertionError: expected null, but was:<Unknown failure (at android.os.Binder.execTransact(Binder.java:731))>
02-19 15:21:36 D/ResultReporter: Saved logs for device_logcat_test in /home/sam/Downloads/android-cts-9.0_r10-linux_x86-arm/android-cts/tools/../../android-cts/logs/2020.02.19_15.21.35/inv_1420379781159145465/device_logcat_test_8965375754550142253.txt.gz
02-19 15:21:36 D/ResultReporter: Saved logs for device_logcat_teardown in /home/sam/Downloads/android-cts-9.0_r10-linux_x86-arm/android-cts/tools/../../android-cts/logs/2020.02.19_15.21.35/inv_1420379781159145465/device_logcat_teardown_8630617971443262202.txt.gz
02-19 15:21:36 D/ResultReporter: Saved logs for host_log in /home/sam/Downloads/android-cts-9.0_r10-linux_x86-arm/android-cts/tools/../../android-cts/logs/2020.02.19_15.21.35/inv_1420379781159145465/host_log_1244842110714179011.txt.gz

02-19 15:21:36 I/SuiteResultReporter: ============================================ ================= 结果================== ===============消耗时间============== 总聚合测试运行时间：0 毫秒 ===============总结=============== 总运行时间：1s 0/0 个模块已完成总测试：0 通过：0 失败：0 ==============结果结束============== =============================================

【问题讨论】：

标签： android cts

【解决方案1】：

从错误堆栈看来，问题在于主机中使用的 adb 版本。

怀疑检测命令由于活页夹内的故障而无法成功运行。

能否请将 adb 版本更新到 1.0.40 及更高版本，然后重试运行 CTS。

【讨论】：