A simple "save" add six lines to the event log

[bernhard-kleine]

JabRef 5.0-dev--snapshot--2019-03-26--master--83c802269
Windows 7 6.1 amd64
Java 1.8.0_201

• [+] I have tested the latest development version from http://builds.jabref.org/master/ and the problem persists

After I had cleared the event log, I did a save on the library
To my astonishment the library was opened 6 times:

This is four times too many.

Steps to reproduce the behavior:

1. ...
2. ...
3. ...

Log File

Paste an excerpt of your log file here