Xlib: No protocol specified

ERROR ENCOUNTERED :

While Running the report ex :Doyen Ennore Activity Report (Daily) and the output is in pdf format the following error is encountered.

Error in the log file:

Xlib: connection to "dbserv2:0.0" refused by server
Xlib: No protocol specified
Xlib: connection to "dbserv2:0.0" refused by server
Xlib: No protocol specified
REP-3000: Internal error starting Oracle Toolkit.
REP-3000: Internal error starting Oracle Toolkit

Solution:

Enter in to the Node where the Report is Running and can also done in all the nodes

STEP 1 : Login as user root.
STEP 2 : export DISPLAY=localhost:0.0
STEP 3 : xhost +
STEP 4 : To Check the Display put the following : echo $DISPLAY
STEP 5 : We can also check by entering in as any other user

ex:oracle or apps user and give xclock. So that it will display clock.

Note :Before settting the DISPLAY check the XML file in APPL_TOP/ADMIN and inside the xml file see the parameter DISPLAY = "hostname:0.0" or some thing . this shold be same as when we give echo $DISPLAY

STEP 6 : Now bounce the concurrent and check for the report it will work fine.