.p12 file not recordings in credentials.xml and empty(has size 0 bytes (placed in folder \gauth))

Steps to reproduce:
1) install google-oauth-plugin
2) go to Jenkins Dashboard
3) login as Administrator
4) go to Credentials
5) Select "Global credentials (unrestricted)"
6) Select "Add Credentials"
7) Kind - Google Service account from private key
8) Provide any "Project Name"
9) Select option "P12 key"
10) Fill "E-Mail Address"
11) provide p12 key
12) press "ok"
13) Look into credentials.xml in Jenkins home folder

• e-mail for project filled, but no path to p12 key
  14) Check size of p12 key in folder "gauth"
• size of p12 key is 0 bytes

On Jenkins installed in Debian 8 by deb file all works fine.