It occurs when you have CSV Data Set and specified file was not found. Then in the log there is one exception about "file not found" and many of NPE, I guess for every iteration.
Andrey Pokhilko On 02/08/2015 04:36 AM, sebb wrote: > On 6 February 2015 at 22:48, Andrey Pokhilko <a...@ya.ru> wrote: >> Hi, >> >> I just met the situation, when this line of code returns null and >> causing NPE: >> https://github.com/apache/jmeter/blob/31c3385075bff2140a4c2b6cdaa2c4a4c1a4a76e/src/core/org/apache/jmeter/services/FileServer.java#L286 >> >> fileEntry.headerLine will be non-null only if hasHeader parameter is >> true. Is this what expected? > The Javadoc says the method can return null. > > Where does the NPE occur? > >> -- >> Andrey Pokhilko >>