svn: Can't open file '/a/b/db/txn-current-lock': Permission denied

SVN新建完版本库，在提交的时候报出如下错误

svn: Can't open file '/a/b/db/txn-current-lock': Permission denied

Permission denied

svn: Can't make directory '/a/b/dav/activities.d': Permission denied

Permission denied

解决方法：

chmod -R 755 /a/b/

chown -R daemon /a/b/