buildbot failure in on ofbizTrunkFramework

[buildbot]

The Buildbot has detected a new failure on builder ofbizTrunkFramework while building ofbiz-framework. Full details are available at:
    https://ci.apache.org/builders/ofbizTrunkFramework/builds/1311

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

Buildslave for this Build: asf947_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onTrunkFrameworkCommit' triggered this build
Build Source Stamp: [branch trunk] 53a8b812607f9987a1063f18062a5318cafe444c
Blamelist: Gil Portenseigne <[hidden email]>

BUILD FAILED: failed shell_2

Sincerely,
 -The Buildbot