title: How to solve FORWARDING_TO_NODE_FAILED issue in selenium grid
body: <p>I am working on selenium grid since couple days. I have created hub and node for android on same machine. Node is getting registered on hub and execution also getting started. But after some time, session getting failed and execution gets stopped. Hardly 2-3 test cases getting executed. </p>
  
  <p>Please check below error log for your reference</p>
  
  <pre><code>[testng] [WebDriverCommandLogger] - Executing findElements parameters: {"using":"css selector","value":".spinner-backdrop"}
     [testng] [WebDriverCommandLogger] - command: findElements[ param-1: {value=.spinner-backdrop, using=css selector}] Result: [id: 0.5843276489161311-137]
     [testng] [WebDriverCommandLogger] - Executing findElements parameters: {"using":"css selector","value":".spinner-backdrop"}
     [testng] [WebDriverCommandLogger] - command: findElements[ param-1: {value=.spinner-backdrop, using=css selector}] Result: []
     [testng] [WebDriverCommandLogger] - Executing findElements parameters: {"using":"css selector","value":".centered-middle"}
     [testng] [WebDriverCommandLogger] - command: findElements[ param-1: {value=.centered-middle, using=css selector}] Result: []
     [testng] [WebDriverCommandLogger] - Executing actions parameters: {"actions":[{}]}
     [testng] [WebDriverCommandLogger] - command: actions[ param-1: {actions=[org.openqa.selenium.interactions.Sequence@7f6f288]}] Result: actions
     [testng] Build info: version: '3.14.0', revision: 'aacccce0', time: '2018-08-02T20:19:58.91Z'
     [testng] System info: host: 'hostname', ip: 'ipaddress', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_171'
     [testng] Driver info: driver.version: RemoteWebDriver
     [testng] [WebDriverCommandLogger] - Executing screenshot parameters: {}
     [testng] [WebDriverCommandLogger] - command: screenshot[ param-1: {}] Result: Session [c9e02a30-4c4d-4181-a588-7072b4372a90] was terminated due to FORWARDING_TO_NODE_FAILED
     [testng] Command duration or timeout: 0 milliseconds
     [testng] [WebDriverCommandLogger] - Executing screenshot parameters: {}
     [testng] [WebDriverCommandLogger] - command: screenshot[ param-1: {}] Result: Session [c9e02a30-4c4d-4181-a588-7072b4372a90] was terminated due to FORWARDING_TO_NODE_FAILED
  </code></pre>