title: Jmeter Error :MIME type may not contain reserved characters
body: <p>I am getting error while reading from CSV file as : MIME type may not contain reserved characters, when i hardcode same value in Jmeter UI it works -</p>
  
  <pre><code>java.lang.IllegalArgumentException: MIME type may not contain reserved characters
      at org.apache.http.util.Args.check(Args.java:36)
      at org.apache.http.entity.ContentType.create(ContentType.java:227)
      at org.apache.http.entity.ContentType.create(ContentType.java:239)
      at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.setupHttpEntityEnclosingRequestData(HTTPHC4Impl.java:1469)
      at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.handleMethod(HTTPHC4Impl.java:794)
      at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:569)
      at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
      at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1231)
      at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1220)
      at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
      at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
      at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
      at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
      at java.lang.Thread.run(Unknown Source)
  </code></pre>
  
  <p>Reading from csv
  <a href="https://i.stack.imgur.com/zAxY7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zAxY7.png" alt="enter image description here"></a></p>
  
  <p>Jmeter UI (Reading from csv , gives above error)
  <a href="https://i.stack.imgur.com/L6k3J.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/L6k3J.png" alt="enter image description here"></a></p>
  
  <p>Jmeter UI (hardcoding mime type works)
  <a href="https://i.stack.imgur.com/X5CaM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/X5CaM.png" alt="enter image description here"></a></p>