org.apache.subversion.javahl.ClientException: svn: E155021: This client is too old to work with the working copy at ‘F:\Workspaces\SimpleMetadata’ (format ‘31’).
org.apache.subversion.javahl.ClientException: Unsupported working copy format svn: This client is too old to work with the working copy at ‘F:\Workspaces\SimpleMetadata’ (format 31). You need to get a newer Subversion client. For more details, see http://subversion.apache.org/faq.html#working-copy-format-change
产生该错误的原因：由于执行的以下操作，所以产生此错误！ 升级TortoiseSVN为TortoiseSVN-1.8.0.24401-x64-svn-1.8.0官方原版
升级之前的版本为：1.6.7
升级后为：1.8.0
