[Evolution] evolution launches java?

[mario chiari <ml mariochiari net>]

Hi

I just discovered that when I launch Evolution from my terminal (Fedora
20), I get a message about Java (see below). Why so?
I believe it started to happen after I updated Java (indeed to 1.8.0) 

Thanks Cheers Mario

-----------------
[    localhost ~]# evolution 

** (evolution:10266): CRITICAL **: categories_icon_theme_hack: assertion
'filename != NULL && *filename != '\0'' failed
Migrating cached data
Migrating config data
Migrating local user data

mv /---/.evolution/mail/local/folders.db /---/.local/share/evolution/mail/local/folders.db
  FAILED: Destination file already exists
  rmdir /---/.evolution/mail/local
  FAILED: Directory non vuota [not empty]  (contents follows)
          folders.db
  rmdir /---/.evolution/mail
  FAILED: Directory non vuota [not empty] (contents follows)
          local
  rmdir /---/.evolution/mailA
  FAILED: Directory non vuota [not empty] (contents follows)
          searches.xml
          pop
          vfolder
          local
          views
          config
java version "1.7.0_79"
OpenJDK Runtime Environment (fedora-2.5.5.0.fc20-i386 u79-b14)
OpenJDK Client VM (build 24.79-b02, mixed mode, sharing)
--------------------------
note that:
[    localhost ~]# java -version
openjdk version "1.8.0_45"
OpenJDK Runtime Environment (build 1.8.0_45-b14)
OpenJDK Server VM (build 25.45-b02, mixed mode)