buildbot exception in on ofbizTrunkFrameworkPlugins

[buildbot]

The Buildbot has detected a build exception on builder ofbizTrunkFrameworkPlugins while building ofbiz-plugins. Full details are available at:
    https://ci.apache.org/builders/ofbizTrunkFrameworkPlugins/builds/1266

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

Buildslave for this Build: asf947_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onTrunkPluginsCommit' triggered this build
Build Source Stamp: [branch trunk] aa26d8f0cfeea2035d638d8b9ee34a173f2a7860
Blamelist: Jacques Le Roux <[hidden email]>

BUILD FAILED: exception shell_2 shell_3 upload_2

Sincerely,
 -The Buildbot