org.apache.http.conn.HttpHostConnectException: Connect to localhost:16447 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'User-PC', ip: '100.69.196.196', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_92' Driver info: driver.version: FirefoxDriver

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Solutions on the web

via Google Groups by Hima Nair, 1 year ago
Connect to localhost:16447 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'User-PC', ip
via Google Groups by Rahul Ahluwalia, 1 year ago
Connect to localhost:26942 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect Build info: version: 'unknown', revision: '2aa21c1', time: '2016-08-02 14:59:43 -0700' System info: host: 'Rahul', ip: '10.0.0.175', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_101' Driver info: driver.version: FirefoxDriver
via Google Groups by Unknown author, 11 months ago
Connect to localhost:30076 [localhost/0:0:0:0:0:0:0:1] failed: Connection refused (Connection refused)Build info: version: 'unknown', revision: '5234b32', time: '2017-03-10 09:00:17 -0800'System info: host: 'sdc-bpm855', ip: '127.0.0.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.10.0-327.36.3.el7.x86_64', java.version: '1.8.0_131'Driver info:
via Google Groups by David Lumpkin, 2 weeks ago
Connect to localhost:39985 [localhost/127.0.0.1] failed: Connection refused Build info: version: '3.4.0', revision: 'unknown', time: 'unknown' System info: host: 'MBA-200849.local', ip: '192.168.109.63', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.12.6', java.version: '1.8.0_51' Driver info: driver.version: RemoteWebDriver
via Google Groups by yassine zirri, 1 year ago
Connect to localhost:32754 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect* *Build info: version: '3.0.1', revision: '1969d75', time: '2016-10-18 09:48:44 -0700'* *System info:...* *Driver info: driver.version: FirefoxDriver*
via Google Groups by Jim Solderitsch, 5 months ago
Connect to localhost:47512 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1, localhost/fe80:0:0:0:0:0:0:1%1] failed: Connection refused (Connection refused) Build info: version: 'unknown', revision: 'unknown', time: 'unknown' System info
java.net.ConnectException: Connection refused: connect	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)	at java.net.Socket.connect(Socket.java:589)	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.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:158)	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.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)	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.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:91)	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:649)