selenium 创建session失败
jar包用的Selenium Standalone v.3.9.1
chromedriver用的chromedriver2.45
jar包和driver在同一个文件夹
在页面中创建seesion时报错unable to create new session
log信息为

14:30:48.003 INFO - Selenium build info: version: '3.9.1', revision: '63f7b50'
14:30:48.003 INFO - Launching a standalone Selenium Server on port 4444
2018-12-23 14:30:48.070:INFO::main: Logging initialized @268ms to org.seleniumhq.jetty9.util.log.StdErrLog
2018-12-23 14:30:48.166:INFO:osjs.Server:main: jetty-9.4.7.v20170914, build timestamp: 2017-11-22T05:27:37+08:00, git hash: 82b8fb23f757335bb3329d540ce37a2a2615f0a8
2018-12-23 14:30:48.184:WARN:osjs.SecurityHandler:main: ServletContext@o.s.j.s.ServletContextHandler@731a74c{/,null,STARTING} has uncovered http methods for path: /
2018-12-23 14:30:48.187:INFO:osjsh.ContextHandler:main: Started o.s.j.s.ServletContextHandler@731a74c{/,null,AVAILABLE}
2018-12-23 14:30:48.343:INFO:osjs.AbstractConnector:main: Started ServerConnector@4b1c1ea0{HTTP/1.1,[http/1.1]}{0.0.0.0:4444}
2018-12-23 14:30:48.344:INFO:osjs.Server:main: Started @542ms
14:30:48.344 INFO - Selenium Server is up and running on port 4444
2018-12-23 14:32:48.509:INFO:osjshC.ROOT:qtp1190524793-15: org.openqa.selenium.remote.server.WebDriverServlet-61832929: Initialising WebDriverServlet
14:32:48.600 INFO - Found handler: org.openqa.selenium.remote.server.commandhandler.Status@bde3bc9
14:32:48.607 INFO - /status: Executing GET on /status (handler: Status)
14:32:48.646 INFO - Found handler: org.openqa.selenium.remote.server.commandhandler.GetAllSessions@ee66fa6
14:32:48.646 INFO - /sessions: Executing GET on /sessions (handler: GetAllSessions)
14:32:55.640 INFO - Found handler: org.openqa.selenium.remote.server.commandhandler.BeginSession@7108eab5
14:32:55.641 INFO - /session: Executing POST on /session (handler: BeginSession)
14:32:55.697 INFO - Capabilities are: Capabilities {browserName: chrome}
14:32:55.699 INFO - Capabilities {browserName: chrome} matched class org.openqa.selenium.remote.server.ServicedSession$Factory (provider: org.openqa.selenium.chrome.ChromeDriverService)