@Johannes, thank you for the fix, it works fine for me now. Bug happened because I use my own valgrind version with some extra functionality, and I did not add some field to the report which I considered as not mandatory, but it was.
Reports looks like correct now, but I am worried about performance. Jenkins need to many time for display reports. It take about 45 seconds for each request. I attached screenshot of timing. It is not related to this story, but will be interesting to know your opinion about performance issues.
P.S. Job contain ~250 valgrind report files, with 1Mb data in the each file.
I have tested version 0.8 with jenkins 1.464. Configuration and execution is now working fine.
Nice plugin, thanks.