buildbot exception in on openoffice-linux32-nightly

[buildbot]

The Buildbot has detected a build exception on builder 
openoffice-linux32-nightly while building . Full details are available at:
    https://ci.apache.org/builders/openoffice-linux32-nightly/builds/172

Buildbot URL: https://ci.apache.org/

Buildslave for this Build: bb-vm2_ubuntu_32bit

Build Reason: forced: by IRC user <dacha> (privmsg): try buildbot r979692 and 
project r1728822
Build Source Stamp: HEAD
Blamelist: 

BUILD FAILED: exception interrupted

Sincerely,
 -The Buildbot