title: Changing course in Java properties
body: <p>i use in the project of jar file Atlasclient.jar . the jar file use of properties file.These properties are located in the path src/log4j.properties.
  I want to put this file in a different direction.
  but,the following error message shows:</p>
  
  <pre><code>    log4j_filename = null
  DEFAULT_CONFIGURATION_FILE = log4j.properties
  log4j:WARN No appenders could be found for logger (avanegar.SendPayments.SendPaymentThread).
  log4j:WARN Please initialize the log4j system properly.
  </code></pre>
  
  <p>How can I move the file to the.</p>