[zanata/zanata-server] 5eefdf: fix error message on missing sys property

[GitHub]

  Branch: refs/heads/fix-error-message
  Home:   https://github.com/zanata/zanata-server
  Commit: 5eefdf96612b65b59a39982a54b075933e71c1c0
      https://github.com/zanata/zanata-server/commit/5eefdf96612b65b59a39982a54b075933e71c1c0
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2016-06-17 (Fri, 17 Jun 2016)

  Changed paths:
    M zanata-war/src/main/java/org/zanata/file/FileSystemPersistService.java

  Log Message:
  -----------
  fix error message on missing sys property