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

GitHub | santoshchk | 4 months ago
  1. 0

    GitHub comment 2611#240372119

    GitHub | 4 months ago | santoshchk
    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
  2. 0

    could not start a new session on selenium webdriver

    Stack Overflow | 4 months ago | Erin Zhang
    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: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'W0045395', ip: '10.17.208.124', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_101' Driver info: driver.version: FirefoxDriver
  3. 0

    Unable to Invoke Firefox with GeckoDriver0.80/Selenium 3.0Beta

    Stack Overflow | 4 months ago | Graham Parker
    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: 'unknown', revision: 'f233563', time: '2016-07-28 17:11:26 -0700' System info: host: 'CHQ-TSTDTP012', ip: '10.12.20.120', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_101' Driver info: driver.version: FirefoxDriver
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  5. 0

    GitHub comment 2411#229629647

    GitHub | 5 months ago | pradeeppuchalapalli
    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: '2.53.0', revision: '35ae25b1534ae328c771e0856c93e187490ca824', time: '2016-03-15 10:43:46' System info: host: 'MIN-0915-228', ip: '10.10.10.198', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.7.0_79' Driver info: driver.version: RemoteWebDriver
  6. 0

    How to solve this error "Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure."

    Stack Overflow | 2 months ago | Suba Kumaran
    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: '2.53.1', revision: 'a36b8b1', time: '2016-06-30 17:37:09' System info: host: 'Tharanga', ip: '192.168.2.22', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0_05' Driver info: driver.version: RemoteWebDriver

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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused: connect

    at java.net.DualStackPlainSocketImpl.waitForConnect()
  2. Java RT
    Socket.connect
    1. java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
    2. java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
    3. java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    4. java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    5. java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    6. java.net.PlainSocketImpl.connect(Unknown Source)
    7. java.net.SocksSocketImpl.connect(Unknown Source)
    8. java.net.Socket.connect(Unknown Source)
    8 frames
  3. Apache HttpClient
    CloseableHttpClient.execute
    1. org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
    2. org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:141)
    3. org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
    4. org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
    5. org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    6. org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
    7. org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
    8. org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    9. org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
    10. org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:71)
    11. org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
    11 frames
  4. Selenium
    RemoteWebDriver.<init>
    1. org.openqa.selenium.remote.internal.ApacheHttpClient.fallBackExecute(ApacheHttpClient.java:142)
    2. org.openqa.selenium.remote.internal.ApacheHttpClient.execute(ApacheHttpClient.java:88)
    3. org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:142)
    4. org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
    5. org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:649)
    6. org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:247)
    7. org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:130)
    7 frames
  5. selenium-firefox-driver
    FirefoxDriver.<init>
    1. org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:232)
    2. org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:220)
    3. org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:215)
    4. org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:211)
    5. org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:124)
    5 frames
  6. Unknown
    Firefox.main
    1. Firefox.main(Firefox.java:14)
    1 frame