title: Status 500 while Load testing using Gatling
body: <p>I have a simple login request like this:</p>
  
  <pre><code>.exec(http("login")
              .post("/j_spring_security_check")
              .formParam("j_username", "${email}")
              .formParam("j_password", "${password}")
              .formParam("CSRFToken", "${CSRFToken}"))    
          .pause(4)
  </code></pre>
  
  <p>Where, ${email} and ${password} is parametrised from a csv file and ${CSRFToken} is a dynamic, session specific token which has been co-related. </p>
  
  <p>When I run a simple test, this request works fine. But when I run a load test, few (very few 5/850) of the requests fails saying <code>'status.find.in(200,304,201,202,203,204,205,206,207,208,209), but actually found 500'</code>. Does it mean anything to anyone? Why do I get this error and what does it imply?</p>
  
  <p>Thanks in advance.</p>