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: '35ae25b', time: '2016-03-15 17:00:58' System info: host: 'LT-01-012', ip: '192.168.0.29', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_92' Driver info: driver.version: FirefoxDriver

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It's possible you're trying to write to a connection that's already closed. Another cause for this is that you closed the socket with unread data in the socket receive buffer.

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This might be caused by unmatching versions of SSL. Java starts normally with SSLv2 and your server might not be able to negotiate. You have to force Java to use SSLv3. See this comment: https://goo.gl/hx0YB3

Solutions on the web

via Google Groups by Nipun ( http://seleniumtesting-nx.blogspot.in/ ), 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: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58' System info: host: 'LT-01-012', ip: '192.168.0.29', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_92' Driver info: driver.version: FirefoxDriver
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 -0700’ System info: host: ‘DESKTOP-7VPMH5R’, ip
via Stack Overflow by Michael Roller
, 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: '2.25.0', revision: '17482', time: '2012-07-18 21:09:54' System info: os.name: 'Windows Vista', os.arch: 'x86', os.version: '6.0', java.version: '1.7.0_05' Driver info: driver.version: FirefoxDriver
via Stack Overflow by Vishal Negi
, 2 months ago
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: '35ae25b', time: '2016-03-15 17:00:58' System info: host: 'WIN-EHSO6G1D9KD', ip
via Google Groups by hmk26, 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: '2.53.0', revision: '35ae25b', time: '2016-03-15 16:57:40' System info: host: 'QSI016265', ip: '10.120.11.50', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_91' Driver info: driver.version: FirefoxDriver
via software-testing-tutorials-automation.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: '2.53.0', revision: '35ae25b', time: '2016-03-15 16:57:40' System info: host: 'DESKTOP-EOKA2KD', 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: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58' System info: host: 'LT-01-012', ip: '192.168.0.29', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_92' Driver info: driver.version: FirefoxDriver
at java.net.SocketInputStream.read(Unknown Source)
at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:139)
at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:155)
at org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:284)
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:261)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:272)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:271)
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:144)
at org.openqa.selenium.remote.internal.ApacheHttpClient.execute(ApacheHttpClient.java:90)
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.execute(NewProfileExtensionConnection.java:160)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:644)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:249)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:218)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:207)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:120)
at apptest.Buchung_wd02.setUp(Buchung_wd02.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)

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