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: '3.0.0-beta2', revision: '2aa21c1', time: '2016-08-02 15:03:28 -0700' System info: host: 'AUTOMATION-COE', ip: '10.129.160.99', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0' Driver info: driver.version: FirefoxDriver

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To restart the Selenium Webdriver mock browser in a testcase, first use driver.close() and then reinstantiate the driver.

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Solutions on the web

via GitHub by santoshchk
, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: '3.0.0-beta2', revision: '2aa21c1', time: '2016-08-02 15:03:28 -0700' System info: host: 'AUTOMATION-COE', ip
via Google Groups by Rahul Ahluwalia, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'Rahul', ip
via Google Groups by Hima Nair, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'User-PC', ip
via Stack Overflow by Erin Zhang
, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'W0045395', ip
via GitHub by kiran3090
, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: 'unknown', revision: 'c7b525d', time: '2016-09-01 14:57:44 -0700' System info: host: 'kirankumar_b', ip
via itelearn.com by Unknown author, 1 year ago
Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: ‘unknown’, revision: ‘f233563’, time: ‘2016-07-28 17:11:26 -0700System info: host: ‘DESKTOP-7VPMH5R’, ip
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: '3.0.0-beta2', revision: '2aa21c1', time: '2016-08-02 15:03:28 -0700' System info: host: 'AUTOMATION-COE', ip: '10.129.160.99', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0' Driver info: driver.version: FirefoxDriver
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:141)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:71)
at org.openqa.selenium.remote.internal.ApacheHttpClient.fallBackExecute(ApacheHttpClient.java:142)
at org.openqa.selenium.remote.internal.ApacheHttpClient.execute(ApacheHttpClient.java:88)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:142)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:649)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:247)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:130)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:232)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:220)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:215)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:124)
at undefined.Firefox.main(Firefox.java:14)

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