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Chef Selenium: a strange mistake when I go to the ip hub: 4444 / wd / hub

I get the following stack:

 {"status": 13, "value": {"class": "java.lang.NullPointerException", "stackTrace": [{"fileName": "ExternalSessionKey.java", "className": "org.openqa.grid .internal.ExternalSessionKey "," methodName ":" fromWebDriverRequest "," lineNumber ": 77}, {" fileName ":" WebDriverRequest.java "," className ":" org.openqa.grid.web.servlet.handler.WebDriverRequest "," methodName ":" extractSession "," lineNumber ": 62}, {" fileName ":" RequestHandler.java "," className ":" org.openqa.grid.web.servlet.handler.RequestHandler "," methodName ":" getSession "," lineNumber ": 237}, {" fileName ":" RequestHandler.java "," className ":" org.openqa.grid.web.servlet.handler.RequestHandler "," methodName ":" process "," lineNumber ": 119}, {" fileName ":" DriverServlet.java "," className ":" org.openqa.grid.web.servlet.DriverServlet "," methodName ":" process "," lineNumber ": 83}, {"fileName": "DriverServlet.java", "className": "org.openqa.grid.web.servlet.DriverServlet", "methodName": "doGet", "lineNumber": 61}, {"fileName ":" H  ttpServlet.java "," className ":" javax.servlet.http.HttpServlet "," methodName ":" service "," lineNumber ": 707}, {" fileName ":" HttpServlet.java "," className ":" javax.servlet.http.HttpServlet "," methodName ":" service "," lineNumber ": 820}, {" fileName ":" ServletHolder.java "," className ":" org.seleniumhq.jetty7.servlet.ServletHolder " , "methodName": "handle", "lineNumber": 565}, {"fileName": "ServletHandler.java", "className": "org.seleniumhq.jetty7.servlet.ServletHandler", "methodName": "doHandle" , "lineNumber": 479}, {"fileName": "SessionHandler.java", "className": "org.seleniumhq.jetty7.server.session.SessionHandler", "methodName": "doHandle", "lineNumber": 225 }, {"fileName": "ContextHandler.java", "className": "org.seleniumhq.jetty7.server.handler.ContextHandler", "methodName": "doHandle", "lineNumber": 1031}, {"fileName" : "ServletHandler.java", "className": "org.seleniumhq.jetty7.servlet.ServletHandler", "methodName": "doScope", "lineNumber": 406}, {"fileName": "SessionHandl  er.java "," className ":" org.seleniumhq.jetty7.server.session.SessionHandler "," methodName ":" doScope "," lineNumber ": 186}, {" fileName ":" ContextHandler.java "," className ":" org.seleniumhq.jetty7.server.handler.ContextHandler "," methodName ":" doScope "," lineNumber ": 965}, {" fileName ":" ScopedHandler.java "," className ":" org. seleniumhq.jetty7.server.handler.ScopedHandler "," methodName ":" handle "," lineNumber ": 117}, {" fileName ":" HandlerWrapper.java "," className ":" org.seleniumhq.jetty7.server. handler.HandlerWrapper "," methodName ":" handle "," lineNumber ": 111}, {" fileName ":" Server.java "," className ":" org.seleniumhq.jetty7.server.Server "," methodName " : "handle", "lineNumber": 349}, {"fileName": "AbstractHttpConnection.java", "className": "org.seleniumhq.jetty7.server.AbstractHttpConnection", "methodName": "handleRequest", "lineNumber" : 452}, {"fileName": "BlockingHttpConnection.java", "className": "org.seleniumhq.jetty7.server.BlockingHttpConnection", "methodName": "handleRe  quest "," lineNumber ": 47}, {" fileName ":" AbstractHttpConnection.java "," className ":" org.seleniumhq.jetty7.server.AbstractHttpConnection "," methodName ":" headerComplete "," lineNumber ": 884 }, {"fileName": "AbstractHttpConnection.java", "className": "org.seleniumhq.jetty7.server.AbstractHttpConnection $ RequestHandler", "methodName": "headerComplete", "lineNumber": 938}, {"fileName" : "HttpParser.java", "className": "org.seleniumhq.jetty7.http.HttpParser", "methodName": "parseNext", "lineNumber": 634}, {"fileName": "HttpParser.java", " className ":" org.seleniumhq.jetty7.http.HttpParser "," methodName ":" parseAvailable "," lineNumber ": 230}, {" fileName ":" BlockingHttpConnection.java "," className ":" org.seleniumhq. jetty7.server.BlockingHttpConnection "," methodName ":" handle "," lineNumber ": 66}, {" fileName ":" SocketConnector.java "," className ":" org.seleniumhq.jetty7.server.bio.SocketConnector $ ConnectorEndPoint "," methodName ":" run "," lineNumber ": 254}, {" fileName ":" QueuedThreadPoo  l.java "," className ":" org.seleniumhq.jetty7.util.thread.QueuedThreadPool "," methodName ":" runJob "," lineNumber ": 599}, {" fileName ":" QueuedThreadPool.java "," className ":" org.seleniumhq.jetty7.util.thread.QueuedThreadPool $ 3 "," methodName ":" run "," lineNumber ": 534}, {" fileName ":" Thread.java "," className ":" java .lang.Thread "," methodName ":" run "," lineNumber ": 745}]}}

Have you seen such errors?

Do you have any idea how to solve this because there is nothing in the log files?

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1 answer

After some research, it seems that this is expected behavior and should not affect testing:

https://github.com/nicegraham/selenium-grid2-api/blob/master/README.md#wdhub

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Source: https://habr.com/ru/post/986336/

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