title: jenkins does not detect the last changes Commited to SVN
body: <p>i am new to jenkins ,when i commit my code to SVN , jenkins should update the code in its work space to the latest committed code when build but it does not.  when i add new file it update the code successfuly</p>
  
  <p>can any one help me please </p>
  
  <p>My configurations : </p>
  
  <p><img src="https://i.stack.imgur.com/0alfr.png" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/hTMgR.png" alt="enter image description here"></p>