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/537

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

Buildslave for this Build: silvanus_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onTrunkPluginsCommit' triggered this build
Build Source Stamp: [branch ofbiz/ofbiz-plugins/trunk] 1847196
Blamelist: jleroux

BUILD FAILED: failed shell_6

Sincerely,
 -The Buildbot