title: Appscan Validation.Required issue in java
body: <p>I ran appScan on my application. I can see most of the Validation.Required issues for String objects. But, not sure what validation the appscan is expecting here. we have tried with null and empty check still there is no use. Please any one let me know what validation appscan expects on a string object.</p>
  
  <pre><code>    String tableName = this.request.getParameter(TABLE_NAME);
  
  session.setAttribute(tableName + "_" + parentTableName + "_editColumnMap", editableColumnsMap);
  </code></pre>
  
  <p>Please let me know if you need any more information</p>