com.gargoylesoftware.htmlunit.ScriptException: TypeError: Cannot call method "appendChild" of null (js#31)

htmlunit | vzs64 | 9 years ago
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Root Cause Analysis

  1. com.gargoylesoftware.htmlunit.ScriptException

    TypeError: Cannot call method "appendChild" of null (js#31)

    at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run()
  2. HtmlUnit
    JavaScriptEngine$HtmlUnitContextAction.run
    1. com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:548)
    1 frame
  3. Rhino
    Context.call
    1. org.mozilla.javascript.Context.call(Context.java:577)
    2. org.mozilla.javascript.Context.call(Context.java:499)
    2 frames
  4. HtmlUnit
    JavaScriptEngine.execute
    1. com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:430)
    1 frame