Fix loading json file causing coredump

If the json file is damaged, when the process is running and
deserializing, a coredump will occur and a ereal::RapidJSONException
will be thrown.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I601865e796d50241262edf0fdb09935e4e1b93e2
1 file changed