title: JMeter exception
body: <p>I'm getting the following exception while running the JMeter load test:</p>
  
  <pre><code>java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 502 Tunnel Connection Failed"
  at sun.net.www.protocol.http.HttpURLConnection.doTunneling(Unknown Source)
  at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
  at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
  at org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.sample(HTTPJavaImpl.java:487)
  at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:74)
  at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1105)
  at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1094)
  at org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:429)
  at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:257)
  at java.lang.Thread.run(Unknown Source)
  ------------------------------------------------------------------------
  </code></pre>