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java - INFO: HTTP Status: '404' -> incorrect JSON status mapping for 'unknown error' with GeckoDriver, Firefox and Selenium through Java

问题描述

when I run selenium WebDriver driver = new FirefoxDriver () shows error, it imports all the libraries it requires but it still reproduces the error 

 package prueba;

    import org.openqa.selenium.WebDriver;

    import org.openqa.selenium.firefox.FirefoxDriver;

    public class Prueba {

        public static void main(String[] args) {
        WebDriver driver= new FirefoxDriver();
        driver.get("https://www.google.com/");
    }

}

when I run with Firefox driver () it shows the following error

1541445238209   Marionette  DEBUG   Remote service is active
1541445238216   Marionette  DEBUG   Accepted connection 0 from 127.0.0.1:51066
1541445238238   Marionette  TRACE   0 -> [0,1,"newSession",{"acceptInsecureCerts":true,"browserName":"firefox","capabilities":{"desiredCapabilities":{"acceptInsecureCerts":true,"browserName":"firefox"}}}]
1541445238238   Marionette  TRACE   0 <- [1,1,{"error":"unknown command","message":"newSession","stacktrace":"WebDriverError@chrome://marionette/content/error.js:178: ... et@chrome://marionette/content/server.js:245:8\n_onJSONObjectReady/<@chrome://marionette/content/transport.js:490:9\n"},null]
Nov 05, 2018 3:13:58 PM org.openqa.selenium.remote.ErrorCodes toStatus
INFO: HTTP Status: '404' -> incorrect JSON status mapping for 'unknown error' (500 expected)
Exception in thread "main" org.openqa.selenium.WebDriverException: newSession
Build info: version: '3.8.1', revision: '6e95a6684b', time: '2017-12-01T19:05:14.666Z'
System info: host: 'Mac-mini-QE-Gustavo.local', ip: '192.168.1.73', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.13.6', java.version: '1.8.0_131'
Driver info: driver.version: FirefoxDriver
remote stacktrace: stack backtrace:
   0:        0x10a952f64 - backtrace::backtrace::trace::h381bd5461b44fdf8
   1:        0x10a95331e - backtrace::capture::Backtrace::new::hbc1a12654c8fdba8
   2:        0x10a87f2ad - webdriver::error::WebDriverError::new::h482125abced50b28
   3:        0x10a88b11f - geckodriver::marionette::MarionetteSession::response::hc90b9b3424fb8183
   4:        0x10a89828b - geckodriver::marionette::MarionetteConnection::send_command::he82b7344fb11a670
   5:        0x10a889d38 - _$LT$geckodriver..marionette..MarionetteHandler$u20$as$u20$webdriver..server..WebDriverHandler$LT$geckodriver..marionette..GeckoExtensionRoute$GT$$GT$::handle_command::hf2128d0e5b79de64
   6:        0x10a829be8 - _$LT$webdriver..server..Dispatcher$LT$T$C$$u20$U$GT$$GT$::run::h03cbe31ad3bffc79
   7:        0x10a88004a - webdriver::server::start::_$u7b$$u7b$closure$u7d$$u7d$::h39b3aa32dda07c86
   8:        0x10a87434a - _$LT$std..panic..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::hdf61d260d4895572
   9:        0x10a7b8399 - std::panicking::try::do_call::h7b2d8948e219fc68
  10:        0x10ade901a - __rust_maybe_catch_panic
  11:        0x10a7b7eac - std::panicking::try::h91913aec898bbfef
  12:        0x10a7b53c5 - std::panic::catch_unwind::h3ab5cba0644d3617
  13:        0x10a7b717c - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::h27cd13f9efbf7439
  14:        0x10a812686 - _$LT$F$u20$as$u20$alloc..boxed..FnBox$LT$A$GT$$GT$::call_box::hc399e39818c3f4d8
  15:        0x10ade51e4 - std::sys::imp::thread::Thread::new::thread_start::h36f6d218784ec55f
  16:     0x7fff58dfa660 - _pthread_body
  17:     0x7fff58dfa50c - _pthread_start
    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:423)
    at (RemoteWebDriver.java:142)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:120)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:98)
    at prueba.Prueba.main(Prueba.java:23)
/Users/macminidev2/Library/Caches/NetBeans/8.2/executor-snippets/run.xml:53: Java returned: 1
BUILD FAILED (total time: 4 seconds)

could you help me with this problem please :D

标签： javaseleniumfirefoxselenium-webdrivergeckodriver

解决方案

此错误消息...

org.openqa.selenium.remote.ErrorCodes toStatus INFO: HTTP Status: '404' -> incorrect JSON status mapping for 'unknown error' (500 expected) 
Exception in thread "main" org.openqa.selenium.WebDriverException: newSession 
 Build info: version: '3.8.1', revision: '6e95a6684b', time: '2017-12-01T19:05:14.666Z' 
 System info: host: 'Mac-mini-QE-Gustavo.local', ip: '192.168.1.73', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.13.6', java.version: '1.8.0_131' 
 Driver info: driver.version: FirefoxDriver

...暗示GeckoDriver无法启动/产生新的WebBrowsing 会话，即Firefox 浏览器会话。

当您使用Selenium v​​3.x时，理想情况下您应该从mozilla/geckodriver下载最新版本的GeckoDriver ，通过以下行提取并提供GeckoDriver的绝对路径：System.setProperty()

System.setProperty("webdriver.gecko.driver", "/path/to/geckodriver");

但是，您的主要问题是您使用的二进制文件版本之间的不兼容，如下所示：

  • 您的Selenium 客户端版本是2017-12-01T19:05:14.666Z的3.8.1，比它大了将近一年。
  • 您的JDK 版本是1.8.0_131非常古老。
  • 我们不知道您的GeckoDriver版本。
  • 我们不知道您的Firefox版本。

因此JDK v8u131和Selenium Client v3.8.1之间存在明显的不匹配。

解决方案

  • 将JDK升级到最新级别JDK 8u191。
  • 将Selenium升级到当前级别Version 3.14.0。
  • 将GeckoDriver升级到GeckoDriver v0.23.0级别。
  • GeckoDriver 存在于指定位置。
  • GeckoDriver 对非 root 用户具有可执行权限。
  • 将Firefox版本升级到Firefox vv63.0.1级别。
  • 通过IDE清理项目工作区并仅使用所需的依赖项重建项目。
  • 如果您的基本Web Client版本太旧，请通过Revo Uninstaller卸载它并安装最新的 GA 和已发布版本的Web Client。
  • 重新启动系统。
  • Test以非 root 用户身份执行。
  • 始终driver.quit()在tearDown(){}方法内调用以优雅地关闭和销毁WebDriver和Web Client实例。

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