Redfire is not working in centos 6

hello i am new to openfire and have setup openfire successfully. thankfull to openfire community.

now i am getting issue in redfire + Openfire 3.8

issue : I can see only my video but not participant video.

**
**

same war fiel is deployed in windows and that’s working fine but in linux environment its not working.

please help me.

yhanks in advance.