buildbot failure in on ofbiz-trunk-framework

[buildbot]

The Buildbot has detected a new failure on builder ofbiz-trunk-framework while 
building . Full details are available at:
    https://ci.apache.org/builders/ofbiz-trunk-framework/builds/638

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

Buildslave for this Build: lares_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 
'on-ofbiz-framework-commit' triggered this build
Build Source Stamp: [branch ofbiz/ofbiz-framework/trunk] 1813724
Blamelist: rishi

BUILD FAILED: failed shell_2

Sincerely,
 -The Buildbot