buildbot exception in on ofbizTrunkFrameworkPlugins

[buildbot]

The Buildbot has detected a build exception on builder ofbizTrunkFrameworkPlugins while building ofbiz-framework. Full details are available at:
    https://ci.apache.org/builders/ofbizTrunkFrameworkPlugins/builds/1126

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

Buildslave for this Build: asf946_ubuntu

Build Reason: downstream
Build Source Stamp: [branch trunk] 91fa4a958c504c8b88011ea33ba740dbd6451ca6
Blamelist: Nicolas Malin <[hidden email]>

BUILD FAILED: exception shell_2 shell_3 upload_2

Sincerely,
 -The Buildbot