[HAWQ-64] Forward NULL issue for ExtractPrincipalFromTicketCache

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0.0-incubating
• Component/s: libyarn
• Assignee: Wen Lin
• Reporter: Jiali Yao
• Created: 16/Oct/15 02:35
• Updated: 21/Nov/15 03:04
• Resolved: 19/Oct/15 09:50

Description

According to coverity report, below code has FORWARD NULL issue:
In apache-hawq/src/backend/resourcemanager/resourcebroker

if (!cache) {
if (0 != setenv("KRB5CCNAME", cache, 1))

{ elog(WARNING, "Cannot set env parameter \"KRB5CCNAME\" when extract principal from cache:%s", cache); return NULL; }

}

If the cache is NULL, it will be error in setenv.