How to get the name of the ApplicationServer during runtime

Within a Servlet or JSP, I'm trying to programmatically get the name of the JVM (AppServer) where the code (war or ear) is deployed and running under.
(This is like getting "server1" when using WSAD).
I tried the System, Runtime and Thread approaches with no luck.. any ideas??
Thanks.
Example:
If I have 2 AppServers created: Server1 and Server2
The ear could be deployed to either, but I want to show to the user if he/she is pointing to Server1 or Server2.

do you want to get the defined length of the field right.
i.e
itab-field1(10) .
and not the length of the value in the itab.
one of the ways is to use the following FM
move: sy-repid to wf_repid  ,
        'INT_OUTPUT' to int_tab_name .
  call function 'REUSE_ALV_FIELDCATALOG_MERGE'
   exporting
     i_program_name              = wf_repid
     i_internal_tabname          = int_tab_name
*   I_STRUCTURE_NAME             =
*   I_CLIENT_NEVER_DISPLAY       = 'X'
    i_inclname                   = wf_repid
    i_bypassing_buffer           = 'X'
*   I_BUFFER_ACTIVE              =
    changing
      ct_fieldcat                  = wf_fld_cat[]
   exceptions
     inconsistent_interface       = 1
     program_error                = 2
     others                       = 3
  if sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  endif.
which would give you all the field definitions of your itab.
Raja

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