buildbot exception in ASF Buildbot on ofbiz-branch12

[buildbot]

The Buildbot has detected a build exception on builder ofbiz-branch12 while building ASF Buildbot.
Full details are available at:
 http://ci.apache.org/builders/ofbiz-branch12/builds/12

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

Buildslave for this Build: portunus_ubuntu

Build Reason: forced: by IRC user <jleroux> (privmsg): force manual build with Oracle JDK 6
Build Source Stamp: HEAD
Blamelist:

BUILD FAILED: exception interrupted upload_1

sincerely,
 -The Buildbot