javax.servlet.ServletException: java.lang.NullPointerException

GitHub | mhardin | 4 months ago
  1. 0

    NullPointerException when trying to load grid console page

    GitHub | 4 months ago | mhardin
    javax.servlet.ServletException: java.lang.NullPointerException
  2. 0
    Elasticsearch 1.x and 2.x nodes are not compatible, make sure your setup contains nodes of the same major version.
    via GitHub by dakrone
  3. 0
    It is a JDK bug, no workaround currently.
    via GitHub by jroper
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  5. 0
    Some of the parametes ar enull
  6. 0
    Try looking for variables that have been declared but not created as an object on the functions described in the stack trace.

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    Root Cause Analysis

    1. java.lang.NullPointerException


      at org.openqa.grid.web.servlet.DisplayHelpServlet.getVersion()
    2. selenium-server
      1. org.openqa.grid.web.servlet.DisplayHelpServlet.getVersion([selenium-server-3.0.0-beta3.jar:na]
      2. org.openqa.grid.web.servlet.DisplayHelpServlet.<init>([selenium-server-3.0.0-beta3.jar:na]
      2 frames
    3. Java RT
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)[na:1.8.0_65]
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance([na:1.8.0_65]
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance([na:1.8.0_65]
      4. java.lang.reflect.Constructor.newInstance([na:1.8.0_65]
      5. java.lang.Class.newInstance([na:1.8.0_65]
      5 frames
    4. org.seleniumhq.jetty9
      1. org.seleniumhq.jetty9.server.handler.ContextHandler$Context.createInstance([jetty-repacked-9.2.13.v20160825.jar:3.1.0]
      2. org.seleniumhq.jetty9.servlet.ServletContextHandler$Context.createServlet([jetty-repacked-9.2.13.v20160825.jar:3.1.0]
      2 frames