Question of 'contributor' at hg commit

[Yumin Qi]

When I add
yunda.mly at taobao.com
in following comment:

8005278: Serviceability Agent: jmap -heap and jstack -m fail
Summary: BinaryTreeDictionary is typedef'ed as AFLBinaryTreeDictionary 
in vmStructs and in SA we still use old name for that. FreeList now is a 
template based class which is not reflect in SA type library. When SA 
does calculation of heap for CMS, the former will cause failure to 
retrieve BinaryTreeDictionary  sine the rename. The later will fail 
wherever it is used in SA.
Reviewed-by: dholmes, sla, coleenp
Contributed-by:  yunda.mly at taobao.com, yumin.qi at oracle.com

hg commit will give:


 > Changeset: 4039:59e8c1010cc1
 > Author:    minqi
 > Date:      2013-01-24 17:22
 >
 > 8005278: Serviceability Agent: jmap -heap and jstack -m fail
 > Summary: BinaryTreeDictionary is typedef'ed as 
AFLBinaryTreeDictionary in vmStructs and in SA we still use old name for 
that. FreeList now is a template based class which is not reflect in SA 
type library. When SA does calculation of heap for CMS, the former will 
cause failure to retrieve BinaryTreeDictionary  sine the rename. The 
later will fail wherever it is used in SA.
 > Reviewed-by: dholmes, sla, coleenp
 > Contributed-by:  yunda.mly at taobao.com, yumin.qi at oracle.com

Invalid contributor attribution

transaction abort!
rollback completed
note: commit message saved in .hg/last-message.txt
abort: pretxncommit hook failed

The same problem happened when I integrated 6830717 (C2 Replay by Tom). 
It complained like this message so I have to remove tom from the commit 
comment! Does any one know a workaround this?

Thanks
Yumin