Selenium UnreachableBrowserException - SoapUI中的"无法启动新会话"Groovy TestStep

Question

我在Win7 x32上使用SoapUI Pro 5.1.2,并尝试在Groovy TestStep中连接到Selenium Webdriver.

为此,我selenium-standalone-server.jar在$SOAP_HOME$\bin\ext文件夹中添加了v2.45.0 .

我的Groovy TestStep代码:

import org.openqa.selenium.WebDriver
import org.openqa.selenium.chrome.ChromeDriver

System.setProperty('webdriver.chrome.driver', 'C:\\\\Windows\\system32\\chromedriver.exe')
log.info(System.getProperty('webdriver.chrome.driver')) //got 'C:\\Windows\system32\chromedriver.exe'

WebDriver driver = new ChromeDriver() // this line causes error

driver.get('http://google.com')
driver.quit()

当我尝试运行此步骤时,SoapUI返回消息:

org.openqa.selenium.remote.UnreachableBrowserException: 
Could not start a new session. 
Possible causes are invalid address of the remote server or browser start-up failure. 
Build info: 
    version: '2.45.0', 
    revision: '5017cb8', 
    time: '2015-02-26 23:59:50' 
System info: 
    host: 'SmithPC', 
    ip: '10.0.2.15', 
    os.name: 'Windows 7', 
    os.arch: 'x86', 
    os.version: '6.1', 
    java.version: '1.8.0_45' 
Driver info: 
    driver.version: ChromeDriver 
error at line: 7

在将相同的包添加到空java项目之后,我尝试通过Netbeans IDE运行这段代码selenium-standalone-server.jar.它已经完成没有问题!

这是soapUI的错误日志:

org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'
System info: host: 'SmithPC', ip: '10.0.2.15', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_45'
Driver info: driver.version: ChromeDriver
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:593)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:240)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:126)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:139)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:171)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:160)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:117)
    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.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
    at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:182)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:186)
    at Script3.run(Script3.groovy:7)
    at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.run(SoapUIGroovyScriptEngine.java:92)
    at com.eviware.soapui.support.scripting.groovy.SoapUIProGroovyScriptEngineFactory$SoapUIProGroovyScriptEngine.run(SourceFile:79)
    at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:138)
    at com.eviware.soapui.impl.wsdl.panels.teststeps.GroovyScriptStepDesktopPanel$RunAction$1.run(GroovyScriptStepDesktopPanel.java:250)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
    at org.apache.http.impl.conn.SystemDefaultRoutePlanner.determineProxy(SystemDefaultRoutePlanner.java:79)
    at org.apache.http.impl.conn.DefaultRoutePlanner.determineRoute(DefaultRoutePlanner.java:77)
    at org.apache.http.impl.client.InternalHttpClient.determineRoute(InternalHttpClient.java:124)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:183)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:71)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
    at org.openqa.selenium.remote.internal.ApacheHttpClient.fallBackExecute(ApacheHttpClient.java:126)
    at org.openqa.selenium.remote.internal.ApacheHttpClient.execute(ApacheHttpClient.java:72)
    at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:133)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:66)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:572)
    ... 23 more

我也尝试使用FirefoxDriver()而不是ChromeDriver(),并得到了相同的错误.

Answer 1

我遇到了同样的错误,其中说:

org.openqa.selenium.remote.UnreachableBrowserException:无法启动新会话.可能的原因是远程服务器的无效地址或浏览器启动失败.

但chromedriver.exe开始很好.我可以在任务管理器中看到它.

我的环境如下,

• Windows 7,终极,64位系统
• 硒的服务器独立-2.47.1
• chromedriver 2.19
• 谷歌浏览器:45.0

经过谷歌搜索结果的多次尝试后,我的最终解决方案是添加127.0.0.1 localhost到C:\Windows\System32\drivers\etc\hosts.

希望能帮到你!

Answer 2

从seleniumhq.org下载最新的驱动程序(chrome或IE),并使用下面的代码

    System.setProperty("webdriver.chrome.driver","<YourPath>chromedriver.exe");
    WebDriver driver=new ChromeDriver();
    driver.get("http://www.yahoo.com");

这对我有用.

Answer 3

在 selenium 中，此错误消息：

org.openqa.selenium.remote.UnreachableBrowserException：无法启动新会话。可能的原因是远程服务器地址无效或浏览器启动失败。

可能有很多原因。但是，在这种情况下查看堆栈跟踪是由于NullPointerException：

Caused by: java.lang.NullPointerException
    at org.apache.http.impl.conn.SystemDefaultRoutePlanner.determineProxy(SystemDefaultRoutePlanner.java:79)
    at org.apache.http.impl.conn.DefaultRoutePlanner.determineRoute(DefaultRoutePlanner.java:77)
    at org.apache.http.impl.client.InternalHttpClient.determineRoute(InternalHttpClient.java:124)

问题是您在 SOAPUI 中使用了 selenium。SOAPUI 似乎将默认代理设置为null( ProxySelector.setDefault(null))。因此，当 selenium 获得默认代理并在其上调用一个方法时，NullPointerException会抛出 a。

问题是您在 SOAPUI 中执行代码，因此在 SOAPUI 将其设置为 null 之前您无法获得默认代理......然后可能的解决方法是在您的 Groovy testStep 中尝试创建一个ProxySelector设置为默认值，然后WebDriver执行：

import org.openqa.selenium.WebDriver
import org.openqa.selenium.chrome.ChromeDriver
import java.net.Proxy
import java.net.ProxySelector

def selectDirectProxy(URI uri) {
  final List<Proxy> proxy = new ArrayList<Proxy>()
  proxy.add(Proxy.NO_PROXY)
  return proxy
}

// create a ProxySelector
ProxySelector proxySelector = [ select : { uri->selectDirectProxy(uri) } ] as ProxySelector
// set as default to avoid null pointer
ProxySelector.setDefault(proxySelector);

// now it's safe to invoke WebDriver...
System.setProperty('webdriver.chrome.driver', 'C:\\\\Windows\\system32\\chromedriver.exe')
log.info(System.getProperty('webdriver.chrome.driver')) //got 'C:\\Windows\system32\chromedriver.exe'

WebDriver driver = new ChromeDriver()

在这个例子中，我ProxySelector以一种常规的方式扩展了抽象类，以设置至少一个直接代理。如果有必要，也可以使用Proxy该类来配置无直接代理并将其设置在列表中，但使用此代码，我试图避免NPE由于 SOAPUI 引起的ProxySelector.setDefault(null)。

Answer 4

它已经告诉你发生了什么：

//got 'C:**\\**Windows\system32\chromedriver.exe'

尝试使用以下方法之一定义路径：

System.setProperty('webdriver.chrome.driver','C:\\Windows\\system32\\chromedriver.exe')
log.info(System.getProperty('webdriver.chrome.driver'))

或者

System.setProperty('webdriver.chrome.driver','C:/Windows/system32/chromedriver.exe')
log.info(System.getProperty('webdriver.chrome.driver'))

另外，我不建议您将 chromedriver.exe 存储在 system32 文件夹中，特别是如果您没有工作站的管理员权限。使用 smt，如 C:/WebDrivers/hromedriver.exe