title: Why use voltsql, there is an error Couldn't find log4j configuration file
body: <p>After I installed voltsql successfully, the following error occurred while executing voltsql</p>
  
  <pre><code>[whz@izbp16d6c3ttl701mgdkc7z voltdb]$ ./bin/voltsql 
  &gt; SHOW tables;                                                                                                                                                                                                                             
  Couldn't find log4j configuration file.
  </code></pre>
  
  <p>how to solve this problem ？</p>