SAP WEB DISPATCHER INSTALLATION / REBUILD

SAP WEB DISPATCHER INSTALLATION

Below are the steps that we performed on kernel 720 for web dispatcher installation / rebuild—
================================================================================

– NW702/720 – Web dispatcher – rebuild tasks on KERNEL 720



1) shutdown webdisp that is running on older version( if still running).
====================================================================================================
:adm 33> pwd
/usr/sap//sapwebdisp
:adm 34> ls -ltr
total 12672
-rwsr-x— 1 root sapsys 1720616 Aug 31 2011 icmbnd
-rwxrwxr-x 1 adm sapsys 4566584 Aug 31 2011 sapwebdisp
-rwxrwxr-x 1 adm sapsys 121699 Aug 31 2011 icmadmin.SAR
drwxr-xr-x 5 adm sapsys 1024 Aug 31 2011 admin
-rw-rw-r– 1 adm sapsys 770 Aug 31 2011 sapwebdisp.pfl_OLD
-rw-rw-r– 1 adm sapsys 1072 Aug 31 2011 sapwebdisp.pfl_OLD1
-rwxr–r– 1 adm sapsys 14178 Aug 31 2011 controlWD.sh
drwxrwxrwx 2 adm sapsys 96 Aug 31 2011 hpux-11.0-64
drwxrwxrwx 2 adm sapsys 1024 Sep 2 2011 sec
-rw-rw-r– 1 adm sapsys 158 Sep 2 2011 icmauth.txt.bak
-rw-rw-r– 1 adm sapsys 203 Sep 2 2011 icmauth.txt
-rwxr-xr-x 1 adm sapsys 973 Feb 3 04:11 sapwebdisp.pfl_bkup2012_0203
-rwxr-xr-x 1 adm sapsys 970 Feb 3 04:13 sapwebdisp.pfl
-rw-r–r– 1 adm sapsys 725 Mar 21 02:20 dev_webdisp.old
-rw-r–r– 1 root sapsys 1504 Mar 21 02:20 dev_icmbnd
-rw——- 1 adm sapsys 1339 Mar 21 02:20 nohup.out
-rw-r–r– 1 adm sapsys 48971 Mar 26 12:01 dev_webdisp

:adm 35> pwd
/usr/sap//sapwebdisp
:adm 36> ./controlWD.sh STOP
###### ####### # # #######
# # # # ## # #
# # # # # # # #
# # # # # # # #####
# # # # # # # #
# # # # # ## #
###### ####### # # #######
===============================================================
2) Cleanup some old files from the webdisp directory.
=============================================================

Imp. Note: DONT DELETE the “SEC” directory ( this holds the SSL certificate, intermediate certificates and some other stuff), controlWD.sh,icmbnd & sapwebdisp files.

Remove the following.

Command: rm Changelog.txt LEGAL.TXT LICENSE.TXT Ver555.pl16 WHICH.TXT icmauth.txt ticket icmadmin.SAR

remove the following directories.
==================================

:adm 44> rm -rf admin
:adm 45> rm -rf hpux-11.11-64
:adm 51> rm -rf hpux-11.0-64

===============================================
save webdispatcher profile
==============================================

Save a copy of the sapwebdisp.pfl profile, before cleaning up the files.

====================================================================================================
3) Copy from files form /exe directory to /usr/sap//sapwebdisp (or /sapmnt//sapwebdisp/ where we have already installed dispacther )
====================================================================================================

cp -p icmadmin.SAR /usr/sap//sapwebdisp
cp -p wdispadmin.SAR /usr/sap//sapwebdisp

====================================================================================================
4) Extract the files in the sapwebdisp directory
====================================================================================================

SAPCAR -xvf icmadmin.SAR
SAPCAR -xvf wdispadmin.SAR

:adm 71> SAPCAR -xvf icmadmin.SAR
SAPCAR: processing archive icmadmin.SAR (version 2.01)
x admin/README
x admin/icp/confirm.icp
x admin/icp/do_action.icp
x admin/icp/filter_admin.icp
x admin/icp/monitor.icp
x admin/icp/mpi_info.icp
x admin/icp/nav.icp
x admin/icp/serv_admin.icp
x admin/icp/show_admin.icp
x admin/icp/show_auth.icp
x admin/icp/show_cache.icp
x admin/icp/show_conns.icp
x admin/icp/show_cthr.icp
x admin/icp/show_htab.icp
x admin/icp/show_log.icp
x admin/icp/show_mod.icp
x admin/icp/show_params.icp
x admin/icp/show_pconns.icp
x admin/icp/show_relinfo.icp
x admin/icp/show_serv.icp
x admin/icp/show_slog.icp
x admin/icp/show_trace.icp
x admin/icp/show_wd_params.icp
x admin/icp/statistic.icp
x admin/icp/user_admin.icp
x admin/icp/wdisp_group.icp
x admin/icp/wdisp_host.icp
x admin/icp/wdisp_perm.icp
x admin/icp/wdisp_session.icp
x admin/icp/wdisp_ssl.icp
x admin/icp/wdisp_url.icp
x admin/public/bodyframe.html
x admin/public/bodyframepub.html
x admin/public/css/controls_default.css
x admin/public/css/controls_ie4.css
x admin/public/css/controls_ie5.css
x admin/public/css/controls_ie6.css
x admin/public/css/controls_ie7.css
x admin/public/css/controls_nn4.css
x admin/public/css/controls_nn4l.css
x admin/public/css/controls_nn6.css
x admin/public/css/controls_nn7.css
x admin/public/css/sapbsp.css
x admin/public/default.html
x admin/public/header.html
x admin/public/icons/s_m_crit.gif
x admin/public/icons/s_m_erro.gif
x admin/public/icons/s_m_info.gif
x admin/public/icons/s_m_warn.gif
x admin/public/icons/s_s_locl.gif
x admin/public/icons/s_s_okay.gif
x admin/public/icons/s_s_space.gif
x admin/public/icons/s_s_tl_g.gif
x admin/public/icons/s_s_tl_r.gif
x admin/public/icons/s_s_tl_y.gif
x admin/public/images/1×1.gif
x admin/public/images/cmenu/Triangle.gif
x admin/public/images/hbrowser/doc_symbol.gif
x admin/public/images/hbrowser/folder_symbol.gif
x admin/public/images/hbrowser/left.gif
x admin/public/images/hbrowser/left_off.gif
x admin/public/images/hbrowser/outleft.gif
x admin/public/images/hbrowser/outleft_off.gif
x admin/public/images/hbrowser/outright.gif
x admin/public/images/hbrowser/outright_off.gif
x admin/public/images/hbrowser/pageleft.gif
x admin/public/images/hbrowser/pageleft_off.gif
x admin/public/images/hbrowser/pageright.gif
x admin/public/images/hbrowser/pageright_off.gif
x admin/public/images/hbrowser/right.gif
x admin/public/images/hbrowser/right_off.gif
x admin/public/images/poweredby.jpg
x admin/public/images/poweredby2.jpg
x admin/public/images/s_s_okay.gif
x admin/public/images/s_s_tl_g.gif
x admin/public/images/s_s_tl_r.gif
x admin/public/images/s_s_tl_y.gif
x admin/public/images/sap_logo.gif
x admin/public/images/sap_logo.jpg
x admin/public/images/saplogo.jpg
x admin/public/images/sapop.gif
x admin/public/images/slogan.gif
x admin/public/images/sort.gif
x admin/public/images/sortasc.gif
x admin/public/images/sortdesc.gif
x admin/public/images/tableview/bottom.gif
x admin/public/images/tableview/bottom_off.gif
x admin/public/images/tableview/down.gif
x admin/public/images/tableview/down_off.gif
x admin/public/images/tableview/filter.gif
x admin/public/images/tableview/pagedown.gif
x admin/public/images/tableview/pagedown_off.gif
x admin/public/images/tableview/pageup.gif
x admin/public/images/tableview/pageup_off.gif
x admin/public/images/tableview/personalize.gif
x admin/public/images/tableview/slogan.gif
x admin/public/images/tableview/top.gif
x admin/public/images/tableview/top_off.gif
x admin/public/images/tableview/up.gif
x admin/public/images/tableview/up_off.gif
x admin/public/images/tagline_gray_text.gif
x admin/public/images/treeview/expander_close.gif
x admin/public/images/treeview/expander_none.gif
x admin/public/images/treeview/expander_open.gif
x admin/public/images/treeview/treeleaf.gif
x admin/public/images/welle.jpg
x admin/public/index.html
x admin/public/js/bspMenu.js
x admin/public/js/menulist.js
x admin/public/welcome.html
x admin/public/welcomebody.html
x admin/publicicp/monitorpub.icp
x admin/publicicp/mpi_infopub.icp
x admin/publicicp/navpub.icp
x admin/publicicp/show_cthrpub.icp
x admin/publicicp/show_htabpub.icp
x admin/publicicp/show_relinfopub.icp
x admin/publicicp/show_servpub.icp
x admin/publicincl/http_subhdl.inc
x admin/publicincl/tools.inc
SAPCAR: 120 file(s) extracted

:adm 72> SAPCAR -xvf wdispadmin.SAR
SAPCAR: processing archive wdispadmin.SAR (version 2.01)
x admin/README
x admin/icp/confirm.icp
x admin/icp/do_action.icp
x admin/icp/filter_admin.icp
x admin/icp/monitor.icp
x admin/icp/mpi_info.icp
x admin/icp/nav.icp
x admin/icp/serv_admin.icp
x admin/icp/show_admin.icp
x admin/icp/show_auth.icp
x admin/icp/show_cache.icp
x admin/icp/show_conns.icp
x admin/icp/show_cthr.icp
x admin/icp/show_htab.icp
x admin/icp/show_log.icp
x admin/icp/show_mod.icp
x admin/icp/show_params.icp
x admin/icp/show_pconns.icp
x admin/icp/show_relinfo.icp
x admin/icp/show_serv.icp
x admin/icp/show_slog.icp
x admin/icp/show_trace.icp
x admin/icp/show_wd_params.icp
x admin/icp/statistic.icp
x admin/icp/user_admin.icp
x admin/icp/wdisp_group.icp
x admin/icp/wdisp_host.icp
x admin/icp/wdisp_perm.icp
x admin/icp/wdisp_session.icp
x admin/icp/wdisp_ssl.icp
x admin/icp/wdisp_url.icp
x admin/public/bodyframe.html
x admin/public/bodyframepub.html
x admin/public/css/controls_default.css
x admin/public/css/controls_ie4.css
x admin/public/css/controls_ie5.css
x admin/public/css/controls_ie6.css
x admin/public/css/controls_ie7.css
x admin/public/css/controls_nn4.css
x admin/public/css/controls_nn4l.css
x admin/public/css/controls_nn6.css
x admin/public/css/controls_nn7.css
x admin/public/css/sapbsp.css
x admin/public/default.html
x admin/public/header.html
x admin/public/icons/s_m_crit.gif
x admin/public/icons/s_m_erro.gif
x admin/public/icons/s_m_info.gif
x admin/public/icons/s_m_warn.gif
x admin/public/icons/s_s_locl.gif
x admin/public/icons/s_s_okay.gif
x admin/public/icons/s_s_space.gif
x admin/public/icons/s_s_tl_g.gif
x admin/public/icons/s_s_tl_r.gif
x admin/public/icons/s_s_tl_y.gif
x admin/public/images/1×1.gif
x admin/public/images/cmenu/Triangle.gif
x admin/public/images/hbrowser/doc_symbol.gif
x admin/public/images/hbrowser/folder_symbol.gif
x admin/public/images/hbrowser/left.gif
x admin/public/images/hbrowser/left_off.gif
x admin/public/images/hbrowser/outleft.gif
x admin/public/images/hbrowser/outleft_off.gif
x admin/public/images/hbrowser/outright.gif
x admin/public/images/hbrowser/outright_off.gif
x admin/public/images/hbrowser/pageleft.gif
x admin/public/images/hbrowser/pageleft_off.gif
x admin/public/images/hbrowser/pageright.gif
x admin/public/images/hbrowser/pageright_off.gif
x admin/public/images/hbrowser/right.gif
x admin/public/images/hbrowser/right_off.gif
x admin/public/images/poweredby.jpg
x admin/public/images/poweredby2.jpg
x admin/public/images/s_s_okay.gif
x admin/public/images/s_s_tl_g.gif
x admin/public/images/s_s_tl_r.gif
x admin/public/images/s_s_tl_y.gif
x admin/public/images/sap_logo.gif
x admin/public/images/sap_logo.jpg
x admin/public/images/saplogo.jpg
x admin/public/images/sapop.gif
x admin/public/images/slogan.gif
x admin/public/images/sort.gif
x admin/public/images/sortasc.gif
x admin/public/images/sortdesc.gif
x admin/public/images/tableview/bottom.gif
x admin/public/images/tableview/bottom_off.gif
x admin/public/images/tableview/down.gif
x admin/public/images/tableview/down_off.gif
x admin/public/images/tableview/filter.gif
x admin/public/images/tableview/pagedown.gif
x admin/public/images/tableview/pagedown_off.gif
x admin/public/images/tableview/pageup.gif
x admin/public/images/tableview/pageup_off.gif
x admin/public/images/tableview/personalize.gif
x admin/public/images/tableview/slogan.gif
x admin/public/images/tableview/top.gif
x admin/public/images/tableview/top_off.gif
x admin/public/images/tableview/up.gif
x admin/public/images/tableview/up_off.gif
x admin/public/images/tagline_gray_text.gif
x admin/public/images/treeview/expander_close.gif
x admin/public/images/treeview/expander_none.gif
x admin/public/images/treeview/expander_open.gif
x admin/public/images/treeview/treeleaf.gif
x admin/public/images/welle.jpg
x admin/public/index.html
x admin/public/js/bspMenu.js
x admin/public/js/menulist.js
x admin/public/welcome.html
x admin/public/welcomebody.html
x admin/publicicp/monitorpub.icp
x admin/publicicp/mpi_infopub.icp
x admin/publicicp/navpub.icp
x admin/publicicp/show_cthrpub.icp
x admin/publicicp/show_htabpub.icp
x admin/publicicp/show_relinfopub.icp
x admin/publicicp/show_servpub.icp
x admin/publicincl/http_subhdl.inc
x admin/publicincl/tools.inc
SAPCAR: 120 file(s) extracted

====================================================================================================
5) Extract the new version of SAP crypto’s to /usr/sap//sapwebdisp directory.
====================================================================================================

SAPCAR -xvf ( New version of SAPCRYPTO’s for PA_RISC on SW depot)

:adm 74> SAPCAR -xvf <SAPCRYPTO.SAR
SAPCAR: processing archive x Changelog.txt
x LEGAL.TXT
x LICENSE.TXT
x Ver555.pl32
x WHICH.TXT
x hpux-11.0-32
x hpux-11.0-32/sapgenpse
x hpux-11.0-32/libsapcrypto.sl
x hpux-11.0-32/sapcrypto.lst
x hpux-11.0-64
x hpux-11.0-64/sapgenpse
x hpux-11.0-64/libsapcrypto.sl
x hpux-11.0-64/sapcrypto.lst
x hpux-11.11-32
x hpux-11.11-32/sapgenpse
x hpux-11.11-32/libsapcrypto.sl
x hpux-11.11-32/sapcrypto.lst
x hpux-11.11-64
x hpux-11.11-64/sapgenpse
x hpux-11.11-64/libsapcrypto.sl
x hpux-11.11-64/sapcrypto.lst
x hpux-11.31-64
x hpux-11.31-64/sapgenpse
x hpux-11.31-64/libsapcrypto.sl
x hpux-11.31-64/sapcrypto.lst
x hpux.txt
x ticket
SAPCAR: 27 file(s) extracted

====================================================================================================
6) Check the sap cryptos. (hpux-11.11-64 in our case ,please check your os hardware version from uname -a then select correct folder)
====================================================================================================

:adm 220> cd hpux-11.11-64
sht014g1:adm 221> ll
total 7116
-rwxr-xr-x 1 hraadm sapsys 3564672 Apr 1 19:10 libsapcrypto.sl
-rw-r–r– 1 hraadm sapsys 40 May 3 14:46 sapcrypto.lst
-rwxr-xr-x 1 hraadm sapsys 76120 Apr 1 19:10 sapgenpse
:adm 222> cdexe
:adm 223> ls -ltr libsapcrypto.sl
-rwxr-xr-x 1 hraadm sapsys 3564672 Jul 22 14:24 libsapcrypto.sl
:adm 224> ls -ltr sapgenpse
-rwxr-xr-x 1 hraadm sapsys 76120 Jul 22 14:25 sapgenpse

check the binaries libsapcrypto.sl and sapgenpse are both the same version under /exe directory and under /usr/sap//sapwebdisp/hpux-11.11-64 directory.

====================================================================================================
7) Now upgrade the sapwendisp as ROOT ID.
====================================================================================================

://usr/sap//sapwebdisp> ls -ltr
total 13234
-r–r—– 1 adm sapsys 878 Nov 13 2001 LEGAL.TXT
-r–r—– 1 adm sapsys 374 Nov 13 2001 ticket
-r–r—– 1 adm sapsys 822 Feb 19 2003 LICENSE.TXT
-r–r—– 1 adm sapsys 2766 Apr 17 2009 WHICH.TXT
-r–r—– 1 adm sapsys 0 Mar 8 2011 Ver555.pl32
-rw-r—– 1 adm sapsys 1426 Mar 24 2011 hpux.txt
drwxr-xr-x 2 adm sapsys 96 Apr 4 2011 hpux-11.11-32
drwxr-xr-x 2 adm sapsys 96 Apr 4 2011 hpux-11.31-64
drwxr-xr-x 2 adm sapsys 96 Apr 4 2011 hpux-11.0-32
drwxr-xr-x 2 adm sapsys 96 Apr 4 2011 hpux-11.0-64
drwxr-xr-x 2 adm sapsys 96 Apr 4 2011 hpux-11.11-64
-rw-r—– 1 adm sapsys 33345 May 2 2011 Changelog.txt
-rwxr-xr-x 1 adm sapsys 186251 May 20 2011 icmadmin.SAR
-rwxr-xr-x 1 adm sapsys 186251 May 20 2011 wdispadmin.SAR
-rwsr-x— 1 root sapsys 1720616 Aug 31 2011 icmbnd
-rwxrwxr-x 1 adm sapsys 4566584 Aug 31 2011 sapwebdisp
-rwxr–r– 1 adm sapsys 14178 Aug 31 2011 controlWD.sh
drwxrwxrwx 2 adm sapsys 1024 Sep 2 2011 sec
-rwxr-xr-x 1 adm sapsys 973 Feb 3 04:11 sapwebdisp.pfl_bkup2012_0203
-rwxr-xr-x 1 adm sapsys 970 Feb 3 04:13 sapwebdisp.pfl_03302012
-rwxr-xr-x 1 adm sapsys 970 Feb 3 04:13 sapwebdisp.pfl
-rw-r–r– 1 adm sapsys 725 Mar 21 02:20 dev_webdisp.old
-rw-r–r– 1 root sapsys 1504 Mar 21 02:20 dev_icmbnd
-rw——- 1 adm sapsys 1339 Mar 21 02:20 nohup.out
-rw-r–r– 1 adm sapsys 48971 Mar 26 12:01 dev_webdisp
drwxr-xr-x 6 adm sapsys 96 Mar 30 04:17 admin
://usr/sap//sapwebdisp> pwd
/usr/sap//sapwebdisp
://usr/sap//sapwebdisp> id
uid=0(root) gid=3(sys) groups=0(root),1(other),2(bin),4(adm),5(daemon),6(mail),7(lp),20(users)
://usr/sap//sapwebdisp> ./controlWD.sh UPGRADE
cp -p /usr/sap//sapwebdisp/sapwebdisp /usr/sap//sapwebdisp/sapwebdisp.old
cp -p /sapmnt//exe/sapwebdisp /usr/sap//sapwebdisp/sapwebdisp
cp -p /usr/sap//sapwebdisp/icmbnd /usr/sap//sapwebdisp/icmbnd.old
cp -p /sapmnt//exe/icmbnd /usr/sap//sapwebdisp/icmbnd

=============================================================
UPGRADE DONE; PLEASE check the sticky bit on icmbnd
If needed use Command ==> chmod 4750 icmbnd
===============================================================

====================================================================================================

8) Update the path for cyrptos on the sapwebdisp.pfl file.
====================================================================================================

ssl/ssl_lib=/usr/sap//sapwebdisp/hpux-11.0-64/libsapcrypto.sl

after change

ssl/ssl_lib=/usr/sap//sapwebdisp/hpux-11.11-64/libsapcrypto.sl

====================================================================================================
9) Now run the bootstrap process to regenerate sapwebdisp.pfl profile and icmauth.txt file

====================================================================================================

it will regenerate the new sapwebdisp profile and icmauth.txt file with a new password.

:adm 57> ./sapwebdisp -bootstrap
SAP Web Dispatcher Bootstrap
============================

This bootstrap will perform the following steps:
1. create profile file “sapwebdisp.pfl” for SAP Web Dispatcher (if not already existing)
2. create user for web based administration in file “icmauth.txt” (if not already exisiting)
3. start SAP Web Dispatcher with the created profile

After the bootstrap you can use the web based administration

Generating Profile “sapwebdisp.pfl”
Hostname of Message Server (rdisp/mshost):
HTTP Port of Message Server (ms/http_port): 8106
Checking connection to message server…OK
Unique Instance Number for SAP Web Dispatcher (SAPSYSTEM): 27
HTTP port number for SAP Web Dispatcher: 81
Create configuration for s(mall), m(edium), l(arge) system (default: medium): m
Profile “sapwebdisp.pfl” generated
Authentication file “icmauth.txt” generated
Web Administration user is “icmadm” with password “VlDJrsPu”
Restart sapwebdisp with profile: sapwebdisp.pfl
sapwebdisp started with new pid 19492
Web administration accessible with “http://:81/sap/wdisp/admin”

SAP Web Dispatcher bootstrap ended (rc=0)
:adm 58> ./log/SLOG27: No such file or directory
rslgwr1(11): rstrbopen cannot open SysLog file.
SysLog:lIM120120330043926001949200000IC
: 0
:SAP Web Dispatcher&.sddc.sbc.com&19492& icxxrout1914
*** WARNING: Could not start service (rc=-1) PORT=81,PROT=HTTP,TIMEOUT=60,PROCTIMEOUT=60
*** SAP Web Dispatcher up and operational (pid: 19492) ***

:adm 66> ./controlWD.sh STOP
###### ####### # # #######
# # # # ## # #
# # # # # # # #
# # # # # # # #####
# # # # # # # #
# # # # # ## #
###### ####### # # #######





:adm 67> cleanipc 27 remove

Show/Cleanup SAP-IPC-Objects V2.3, 94/01/20
===========================================

Running SAP-Systems (Nr)…:

———————————————————-
—- Clear IPC-Objects of Sap-System 27 ——————
———————————————————-
OsKey: 12716 0x000031ac Shared Memory Key: 16 removed
OsKey: 12762 0x000031da Shared Memory Key: 62 removed
OsKey: 12763 0x000031db Shared Memory Key: 63 removed
OsKey: 12773 0x000031e5 Shared Memory Key: 73 removed
OsKey: 12782 0x000031ee Shared Memory Key: 82 removed
OsKey: 22738 0x000058d2 Semaphore Key: 38 removed
OsKey: 22752 0x000058e0 Semaphore Key: 52 removed
OsKey: 58900127 0x0382be9f SCSA Shared Memory Key: 58900000 removed

Number of IPC-Objects………..: 8
Number of removed IPC-Objects…: 8

Number of SAP_ES files found:………….: 0
Number of SAP_ES files removed:………..: 0

:adm 68> ./controlWD.sh START

sid dev_webdisp has WebDispatcher with PID=19492 ; checking if active

***************************************************************
NO WebDispatcher running in sid with PID=19492 ; Re-starting WD
***************************************************************

Cleaning shared memory first; then issuing nohup command.
sapscsa(5):20872: I am ” “, but should be “sapsys “.
sapscsa: system(/usr/sap//sapwebdisp/sapmscsa pf=/usr/sap//sapwebdisp/sapwebdisp.pfl );
sh: /usr/sap//sapwebdisp/sapmscsa: not found.
rslgwr1(16): I cannot get addr of SCSA.
SysLog:lIM120120330044633002087200000IC
: 0
:SAP Web Dispatcher&&20872& icxxrout1914
shared memory cleanup done
Issuing the nohup command to start SAP webdisptacher
Sending output to nohup.out

===================================================================
Web Dispatcher STARTED with PID=20880 on 03/30/12-04:46:31
===================================================================

10) Test the Webdisp URL
===================================================================

http://:81/sap/wdisp/admin/public/default.html

12) Shutdown webdispatcher and then copy the old profile values from the saved sapwebdisp.pfl( saved OLD version) to the new sapwebdisp.pfl and then restart the webdisp.


Please have a look on my post on introduction of SAP Web dispatcher:

Sap Web dispacther Intro -Stop/Start/Autorestart

 

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