[EAGLE-984] Potential null dereference in SimpleWindowCounter#poll()

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Fix Version/s: v0.5.1
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 30/Mar/17 18:44
• Updated: 05/Nov/17 22:32
• Resolved: 05/Nov/17 22:32

Description

Here is related code:

    public Tuple2<Long, Long> poll() {
        long oldestTimestamp = timeQueue.poll();
        Tuple2<Long, Long> pair = new Tuple2<>(oldestTimestamp, counter.get(oldestTimestamp));

We should check the return value from timeQueue.poll() before casting to long.