Chef Selen: Dziwny błąd, kiedy idę do OD piasty: 4444/WD/piasta

Question

otrzymuję następujący StackTrace:

 
{ 
    "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": "HttpServlet.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": "SessionHandler.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": "handleRequest", 
       "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": "QueuedThreadPool.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 
      } 
     ] 
    } 
} 

Widzieliście takie błędy?

Czy masz pojęcie, jak rozwiązać ten problem, ponieważ w plikach dziennika nie ma nic?

Answer 1

Po robi jakieś badania, wydaje się, że jest to normalne zachowanie i nie powinny wpływać na badania:

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