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Bug 258427 - Incorrect "Dereferencing possible null pointer" hint with try-finally
Summary: Incorrect "Dereferencing possible null pointer" hint with try-finally
Status: NEW
Alias: None
Product: java
Classification: Unclassified
Component: Hints (show other bugs)
Version: 8.1
Hardware: PC Windows 7
: P3 normal with 1 vote (vote)
Assignee: Svata Dedic
Depends on:
Reported: 2016-03-17 22:34 UTC by matthies
Modified: 2016-03-17 22:34 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:


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Description matthies 2016-03-17 22:34:08 UTC
Example code:

    public String example(String string)
        if (string == null)
                string = "foo";
            finally { }

        return string.trim();

The hint is incorrectly shown on the trim() call. After removing the try-finally, the hint disappears. (In the original code, the try-finally was because of a lock/unlock operation.)

Maybe the hint implementation treats the finally block like a catch block and believes it would fall through if the code in the try block fails.