Yes you have this dosha and recite Narayanakavacha 3 times in the morning and 3 times before bed time.
The possible effect of this dosha are this combination in the 6th house will give success to the native. He will amass a lot of wealth. However the health of the native will always be dicey. The native is likely to suffer from diseases of the intestine and also diseases which are not easily detected. These natives are very critical of their religion and may change their religious beliefs during their life time
Just check whether you have indications of the above. If there is none, you have nothing to worry about it. Jupiter is a malefic in your horoscope.