Hi Kuldeep,
Have you check the patch level of both java & abap has same ,if some thing different in Patch level of any of this it will not visible in communication channel
Check below links also
https://help.sap.com/saphelp_nw04/helpdata/en/7e/5df96381ec72468a00815dd80f8b63/content.htm
Sender JDBC adapter : data read from db but not in PI
Regards
K.N