FULL PRODUCT VERSION :
JAVA_VERSION="1.8.0_31"
OS_NAME="Linux"
OS_VERSION="2.6"
OS_ARCH="amd64"

ADDITIONAL OS VERSION INFORMATION :
JAVA_VERSION="1.8.0_31"
OS_NAME="Linux"
OS_VERSION="2.6"
OS_ARCH="amd64"

A DESCRIPTION OF THE PROBLEM :
PrintService[] services = PrinterJob.lookupPrintServices(); is sometimes giving no results.Not sure what mights be the issue is. We already have check the CUPS printers.conf file and confirmed that there is no issues with that. Also some of the Printers got lost after we had restarted server - Weblogic 12c

REGRESSION. Last worked in version 8u121

ADDITIONAL REGRESSION INFORMATION:
JAVA_VERSION="1.8.0_31"

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
This should give list of all the network printer where application is deployed
ACTUAL -
Sometimes printers list is not getting returned.

REPRODUCIBILITY :
This bug can be reproduced often.