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by Contributing Tester (92 points)
edited by
_jmeter.threads.JMeterThread: org.openqa.selenium.SessionNotCreatedException: InvalidArgumentError: Expected [object String] "{"proxyAutoconfigUrl":null,"autodetect":false,"socksUsername":null,"socksPassword":null,"httpProxy":null,"proxyType":"SYSTEM","noProxy":null,"ftpProxy":null,"socksProxy":null,"hCode":1762714717,"class":"org.openqa.selenium.Proxy","sslProxy":null}" to be an object (WARNING: The server did not provide any stacktrace information) Test failed! 

Driver info: driver.version: FirefoxDriver

On starting FF with Jmeter getting above error. Please refer stacktrace below for more information.


at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:216)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:168)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:367)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:113)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:141)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:604)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:244)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131)

by The go-to Tester (181 points)
Can you post your code using which you are invoking Firefox browser?

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