android 环境变量作用,ANDROID_HOME 环境变量问题

附上 stacktrace：

Running com.saucelabs.appium.AndroidTest

Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.722 sec <<< FAILURE!

apiDemo(com.saucelabs.appium.AndroidTest) Time elapsed: 0.651 sec <<< ERROR!

org.openqa.selenium.WebDriverException: An unknown server-side error occurred while processing the command. Original error: Could not find adb Please set the ANDROID_HOME environment variable with the Android SDK root directory path. (WARNING: The server did not provide any stacktrace information)

Command duration or timeout: 253 milliseconds

Driver info: io.appium.java_client.android.AndroidDriver

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:422)

at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)

at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)

at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)

at io.appium.java_client.DefaultGenericMobileDriver.execute(DefaultGenericMobileDriver.java:51)

at io.appium.java_client.AppiumDriver.execute(AppiumDriver.java:1)

at io.appium.java_client.android.AndroidDriver.execute(AndroidDriver.java:1)

at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:249)

at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131)

at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:144)

at io.appium.java_client.DefaultGenericMobileDriver.(DefaultGenericMobileDriver.java:47)

at io.appium.java_client.AppiumDriver.(AppiumDriver.java:114)

at io.appium.java_client.AppiumDriver.(AppiumDriver.java:132)

at io.appium.java_client.android.AndroidDriver.(AndroidDriver.java:97)

at com.saucelabs.appium.AndroidTest.setUp(AndroidTest.java:33)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:497)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)

at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)

at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)

at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)

at org.junit.runners.ParentRunner.run(ParentRunner.java:309)

at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)

at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)

at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:497)

at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)

at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)

at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)

at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)

at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)