buildbot failure in on ofbizTrunkFramework

[buildbot]

The Buildbot has detected a new failure on builder ofbizTrunkFramework while 
building . Full details are available at:
    https://ci.apache.org/builders/ofbizTrunkFramework/builds/924

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

Buildslave for this Build: orcus_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onTrunkFrameworkCommit' 
triggered this build
Build Source Stamp: [branch ofbiz/ofbiz-framework/trunk] 1861849
Blamelist: pawan

BUILD FAILED: failed shell_4

Sincerely,
 -The Buildbot