Help! why cant I SVN sparkWeb to my localdisk?

i use sliksvn

when i run

“svn export http://svn.igniterealtime.org/svn/repos/sparkweb/trunk d:\sparkweb”

(or i should use svn co?? but neither couldnt work )

it replied me with an error , i translated into English like below

====================================================================

Generally, it means

Now Fetching the external/outer project to “D\sparkweb\xiff”

error occured when verifying server certification “https://svn.igniterealtime.org:443

  • This certification is not issued by authorized orgnizations. pls ur fingerprint to verify it is validity

Certification Info:

  • host name: *ig…

  • valid time: from Thu, 25 Jan …

  • issuer: ignite realtime, jive soft…

-fingerprint:82:0d:9e:49:5a:e9:a4:bc:df:a7:df:38:6a:07:02:5e:fc:9d:da:92

®reject (t) temporary or § svn method Options failed ''https://svn.igniterealtime.org/svn/repos/xiff/trunk”:

Server to certificate verification failed: issuer is not trusted (https://svn.igniterealtime.org)“

what should i do now???

thanks very much…

i changed my svn tool, and b4 such error occured, the alert pop out and let me choose, then passed.