buildbot failure in on ofbizTrunkFrameworkPlugins

[buildbot]

The Buildbot has detected a new failure on builder ofbizTrunkFrameworkPlugins while building . Full details are available at:
    https://ci.apache.org/builders/ofbizTrunkFrameworkPlugins/builds/1020

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

Buildslave for this Build: asf946_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onTrunkPluginsCommit' triggered this build
Build Source Stamp: [branch ofbiz/ofbiz-plugins/trunk] 1868194
Blamelist: jleroux

BUILD FAILED: failed shell_4

Sincerely,
 -The Buildbot