"koji build" return error !!!

[Eric Zhong]

koji build fails!!!
Host (kojibuilder1) is ready!
I have do all steps from <ServerHowTo> and <ServerBootstrap>  !!!
What hanppen?   Lack of packages at building ?



========================================================================
[eric at wenjia SRPMS]$ koji build dist-foo zip-2.31-2.el5.src.rpm
Uploading srpm: zip-2.31-2.el5.src.rpm
[====================================] 100% 00:00:00 795.13 KiB   1.08
MiB/sec
Created task: 31
Task info: http://10.3.0.96/koji/taskinfo?taskID=31
None
Watching tasks (this may be safely interrupted)...
31 build (dist-foo, zip-2.31-2.el5.src.rpm): free
31 build (dist-foo, zip-2.31-2.el5.src.rpm): free -> open (kojibuilder1)
31 build (dist-foo, zip-2.31-2.el5.src.rpm): open (kojibuilder1) -> FAILED:
GenericError: Build already exists (id=1120, state=COMPLETE): {'name':
'zip', 'task_id': 31, 'pkg_id': 1120, 'epoch': None, 'completion_time':
None, 'state': 0, 'version': '2.31', 'owner': 1, 'release': '2.el5', 'id':
1120}
  0 free  0 open  0 done  1 failed

31 build (dist-foo, zip-2.31-2.el5.src.rpm) failed
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