SAP WebDispatcher with NW7.0 Double-Stack-ABAP/J2EE

Hi folks,
we have an Double Stack NW 7.0 ABAP/J2EE System running, for using ABAP WebDynpros over Portal 6.0. On the portalserver itself the Portal and the Webdynpros are running and working absoultely fine.
While configuring SAP WebDispatcher to bring the Portal to the outside world, we
experienced some problems.
Details:
We use Webdispatcher to decrypt SSL
- HTTPS: Internet -> WebDisp
- HTTP: WebDisp. -> Portal
(this works!)
The external domain is https://portal.my-customer.de
The internal hostname of the portal is portal.mycustomer.de.
Problem:
When using the ABAP-Message Server in the WebDispatcher profile (like recommended I think), the Webdynpros are available but we cannot reach the portal.
- WORKS: https://portal.my-customer.de/sap/bc/webdynpros/sap/zmy_webdynpro
- DOESNOT: https://portal.my-customer.de/irj/portal
rdisp/mshost = portal.mycustomer.de
ms/http_port = 8100
When using the J2EE-Message-Server in the WebDispatcher profile the portal is
available but the webdynpros does not work appropriately, cause they are not reached.
- DOESNOT: https://portal.my-customer.de/sap/bc/webdynpros/sap/zmy_webdynpro
- WORKS: https://portal.my-customer.de/irj/portal
- DOESNOT: WebDynpros in portal are not available and there occurs a http-timeout in the content area with: http://portal.mycustomer.de:8000/sap/bc/webdynpro/sap/zmy_webdynpro cannot be found
Of course this address cannot be retrieved over webdispatcher, it is the "internal"
one, between webdispatcher and portal, not the external one between client and
webdisp.
rdisp/mshost = portal.mycustomer.de
ms/http_port = 8101
So the questions are:
1) Which message server do I have to use? (ABAP/J2EE)
2) How to achieve to reach both stacks?
or
When it is not possible and I have to choose reaching J2EE-Stack (Portal from outside) how can I use the ABAP WebDynpros appropriately inside the portal?
Hopes somebody can bring some light into the darkness.
Best regards
Volker

Ok the ICM logg of the ABAP-Portal shows the following.
I'm not so used to read the logs, but what I see is, that the Request comes to the portal and ist handled the common HTTP-Handlerm, but the J2EE-Handler returns a "empty" request?
Here is a part of the log:
The Request Starts, the Cache Handler is calles, the J2EE Handler is called, return of Empty-HTTP but I cannot see a "Failure".
Thanks for having a look,
Best regards,
Volker
[Thr 3860] REQUEST:
    Type: ACCEPT CONNECTION    Index = 107
[Thr 3860] CONNECTION (id=1/233):
    used: 1, type: 1, role: 1, stateful: 0
    NI_HDL: 29, protocol: HTTP(1)
    local host: 195.1.1.182:8000 ()
    remote host: 195.1.1.181:29010 ()
    status: NOP
    connect time: 07.08.2008 16:11:39
    MPI request:        <0>      MPI response:        <0>
    request_buf_size:   0        response_buf_size:   0
    request_buf_used:   0        response_buf_used:   0
    request_buf_offset: 0        response_buf_offset: 0
[Thr 7548] SiSelNSelect: start select (timeout=-1)
[Thr 3860] MPI:3 create pipe 0000000003790660 1
[Thr 3860] MPI<53>3#1 Open( ANONYMOUS 3 1 ) -> 3
[Thr 3860] MPI<53>3#2 Open( ANONYMOUS 3 0 ) -> 3
[Thr 3860] MPI:1 create pipe 0000000003790360 1
[Thr 3860] MPI<54>1#1 Open( ANONYMOUS 1 0 ) -> 1
[Thr 3860] MPI<54>1#2 Open( ANONYMOUS 1 1 ) -> 1
[Thr 3860] IcmPlCheckRetVal: Next status: READ_REQUEST(1)
[Thr 3860] IcmReadFromConn(id=1/233): request new MPI (0/0)
[Thr 3860] MPI<53>3#3 GetOutbuf -1 187210 65536 (0) -> 0000000003917280 0
[Thr 3860] NiIRead: hdl 29 received data (rcd=434,pac=1,RAW_IO)
[Thr 3860] IcmReadFromConn(id=1/233): read 434 bytes(timeout 500)
[Thr 3860] Address    Offset IcmReadFromConn received
[Thr 3860] ------------------------------------------------------------------------
[Thr 3860] 00000000039172C8 000000 47455420 2f69726a 2f706f72 74616c2f |GET /irj/portal/|
[Thr 3860] 00000000039172D8 000016 696e6465 782e6874 6d6c2048 5454502f |index.html HTTP/|
[Thr 3860] 00000000039172E8 000032 312e300d 0a616363 6570743a 20696d61 |1.0..accept: ima|
[Thr 3860] 00000000039172F8 000048 67652f67 69662c20 696d6167 652f782d |ge/gif, image/x-|
[Thr 3860] 0000000003917308 000064 78626974 6d61702c 20696d61 67652f6a |xbitmap, image/j|
[Thr 3860] 0000000003917318 000080 7065672c 20696d61 67652f70 6a706567 |peg, image/pjpeg|
[Thr 3860] 0000000003917328 000096 2c206170 706c6963 6174696f 6e2f782d |, application/x-|
[Thr 3860] 0000000003917338 000112 73686f63 6b776176 652d666c 6173682c |shockwave-flash,|
[Thr 3860] 0000000003917348 000128 20617070 6c696361 74696f6e 2f766e64 | application/vnd|
[Thr 3860] 0000000003917358 000144 2e6d732d 65786365 6c2c2061 70706c69 |.ms-excel, appli|
[Thr 3860] 0000000003917368 000160 63617469 6f6e2f76 6e642e6d 732d706f |cation/vnd.ms-po|
[Thr 3860] 0000000003917378 000176 77657270 6f696e74 2c206170 706c6963 |werpoint, applic|
[Thr 3860] 0000000003917388 000192 6174696f 6e2f6d73 776f7264 2c202a2f |ation/msword, */|
[Thr 3860] 0000000003917398 000208 2a0d0a61 63636570 742d6c61 6e677561 |*..accept-langua|
[Thr 3860] 00000000039173A8 000224 67653a20 64650d0a 75736572 2d616765 |ge: de..user-age|
[Thr 3860] 00000000039173B8 000240 6e743a20 4d6f7a69 6c6c612f 342e3020 |nt: Mozilla/4.0 |
[Thr 3860] 00000000039173C8 000256 28636f6d 70617469 626c653b 204d5349 |(compatible; MSI|
[Thr 3860] 00000000039173D8 000272 4520362e 303b2057 696e646f 7773204e |E 6.0; Windows N|
[Thr 3860] 00000000039173E8 000288 5420352e 313b2053 56313b20 496e666f |T 5.1; SV1; Info|
[Thr 3860] 00000000039173F8 000304 50617468 2e313b20 2e4e4554 20434c52 |Path.1; .NET CLR|
[Thr 3860] 0000000003917408 000320 20322e30 2e353037 32373b20 2e4e4554 | 2.0.50727; .NET|
[Thr 3860] 0000000003917418 000336 20434c52 20312e31 2e343332 32290d0a | CLR 1.1.4322)..|
[Thr 3860] 0000000003917428 000352 686f7374 3a20706f 7274616c 2e61746c |host: portal.my|
[Thr 3860] 0000000003917438 000368 61732d77 65796861 7573656e 2e64650d |customer.de.|
[Thr 3860] 0000000003917448 000384 0a636f6e 6e656374 696f6e3a 204b6565 |.connection: Kee|
[Thr 3860] 0000000003917458 000400 702d416c 6976650d 0a636c69 656e7470 |p-Alive..clientp|
[Thr 3860] 0000000003917468 000416 726f746f 636f6c3a 20687474 70730d0a |rotocol: https..|
[Thr 3860] 0000000003917478 000432 0d0a                                |..              |
[Thr 3860] ------------------------------------------------------------------------
[Thr 3860] PlugInHandleNetData: role: 1, status: 1, content-length: 0/0
          buf_len: 434, buf_offset: 0, buf_status: 0
[Thr 3860] HttpParseRequestHeader: no content length set
[Thr 3860] HttpParseRequestHeader: no transfer-encoding set
[Thr 3860] HttpParseRequestHeader: Version: 1000
[Thr 3860] HttpParseRequestHeader: Keep-Alive: 1
[Thr 3860] HttpParseRequestHeader: no server port set
[Thr 3860] HttpRewriteRequestHeader: perform actions: 0
[Thr 3860] HttpSrvHdlRequest: method: 1; path: /irj/portal/index.html
[Thr 3860] Handler 3: HttpAuthHandler matches url: /irj/portal/index.html, port: 80
[Thr 3860] Handler 4: HttpCacheHandler matches url: /irj/portal/index.html, port: 80
[Thr 3860] Handler 2: HttpSAPR3Handler matches url: /irj/portal/index.html, port: 80
[Thr 3860] Handler 0: HttpJ2EEHandler matches url: /irj/portal/index.html, port: 80
[Thr 3860] HttpSubHandlerCall: Call Handler: HttpAuthHandler, task=1, header_len=434
[Thr 3860] HttpSubHandlerItDeactivate: handler 0: HttpAuthHandler
[Thr 3860] HttpSubHandlerCall: Call Handler: HttpCacheHandler, task=1, header_len=434
[Thr 3860] HttpCacheHandler: 1 434 000000000088BE80 0000000000000000
[Thr 3860] ISC: Cache Lookup. 1. try: browser independent.
[Thr 3860] ISC: hashed querystr = 9e6a '&*&'
[Thr 3860] HttpCacheMakeObjectKey() -> '/irj/portal/index.html&&&GZ=0&A6E90000&' (39) rc=0
[Thr 3860] MTX_LOCK 1628 0000000000C71940
[Thr 3860] MTX_UNLOCK 1759 0000000000C71940
[Thr 3860] IctCmOpen#195 R '/irj/portal/index.html&&&GZ=0&A6E90000&'.-1 (- ???) 13119456 1 -> 0000000000000000 -1 rc=20
[Thr 3860] MTX_LOCK 1628 0000000000C717F0
[Thr 3860] MTX_UNLOCK 1759 0000000000C717F0
[Thr 3860] IctCmOpen#257 R '/irj/portal/index.html&&&GZ=0&A6E90000&'.-1 (- ???) 13119456 1 -> 0000000000000000 -1 rc=20
[Thr 3860] ISC: Cache Lookup. 2. try: browser specific key.
[Thr 3860] ISC: hashed querystr = 26b66ec1 '&Mozilla/4.0 (compatible; MSIE 6.0;&'
[Thr 3860] HttpCacheMakeObjectKey() -> '/irj/portal/index.html&&&GZ=0&1CE66B62&' (39) rc=0
[Thr 3860] MTX_LOCK 1628 0000000000C71940
[Thr 3860] MTX_UNLOCK 1759 0000000000C71940
[Thr 3860] IctCmOpen#196 R '/irj/portal/index.html&&&GZ=0&1CE66B62&'.-1 (- ???) 13119456 1 -> 0000000000000000 -1 rc=20
[Thr 3860] MTX_LOCK 1628 0000000000C717F0
[Thr 3860] MTX_UNLOCK 1759 0000000000C717F0
[Thr 3860] IctCmOpen#258 R '/irj/portal/index.html&&&GZ=0&1CE66B62&'.-1 (- ???) 13119456 1 -> 0000000000000000 -1 rc=20
[Thr 3860] HttpCacheHandler: cache miss.
[Thr 3860] HttpSubHandlerItDeactivate: handler 1: HttpCacheHandler
[Thr 3860] HttpSubHandlerCall: Call Handler: HttpSAPR3Handler, task=1, header_len=434
[Thr 3860] HttpSAPR3Handler: url_tab_init: 1, force_dest: 0
[Thr 3860] ICT: IctLookupPathTable() -> 20
[Thr 3860] HttpSAPR3Handler: j2ee_active: 1, j2ee_conf: 1, dest: 2
[Thr 3860] HttpSubHandlerItDeactivate: handler 2: HttpSAPR3Handler
[Thr 3860] HttpSubHandlerCall: Call Handler: HttpJ2EEHandler, task=1, header_len=434
[Thr 3860] HttpJ2EEHandler called: task=1
[Thr 3860] IcmIConnPoolAllocEntry: no unused entry for pool 0000000000C29CF0 found (reuse conn: 1)
[Thr 3860] IcmIConnPoolAllocEntry: try to create new entry for pool 0000000000C29CF0
[Thr 3860] IcmConnPoolAllocSlot: allocated entry 0000000008D118D0[0] of pool 0000000000C29CF0
[Thr 3860] NiHsLGetNodeAddr: found hostname 'portal.mycustomer.de' in cache
[Thr 3860] NiIGetNodeAddr: hostname 'portal.mycustomer.de' = addr 195.1.1.182
[Thr 3860] NiIGetServNo: servicename '50000' = port C3.50/50000
[Thr 3860] NiICreateHandle: hdl 30 state NI_INITIAL
[Thr 3860] NiIInitSocket: set default settings for new hdl 30 / sock 7816 (I4; ST)
[Thr 3860] NiIBlockMode: set blockmode for hdl 30 FALSE
[Thr 3860] NiIConnectSocket: hdl 30 is connecting to 195.1.1.182:50000 (timeout=5000)
[Thr 3860] SiPeekPendConn: connection of sock 7816 established
[Thr 3860] NiICheckPendConnection: connection of hdl 30 to 195.1.1.182:50000 established
[Thr 3860] NiIConnect: hdl 30 took local address 195.1.1.182:3024
[Thr 3860] NiIConnect: state of hdl 30 NI_CONNECTED
[Thr 3860] NiILocalCheck: matched local address: 195.1.1.182 (up)
[Thr 3860] IcmConnPoolConnect: Connection to host: portal.mycustomer.de, service: 50000 established (nihdl=30)
[Thr 3860] IcmConnPoolNewEntry: created new entry 0000000008D118D0[0] for pool 0000000000C29CF0 (nihdl=30, ssl=0000000000000000)
[Thr 3860] HttpJ2EEHandler: server triggered
[Thr 3860]    Pool Entry 0000000008D118D0:
[Thr 3860]    NI: 30, SSL: 0000000000000000, allocated: 1, inuse: 1, desc: 0000000000C28BA0
local host: 195.1.1.182:3024
remote host: 195.1.1.182:50000
[Thr 3860] HttpJ2EEHandler: status: 6
[Thr 3860] MPI<53>3#4 GetOutbuf -1 197250 65536 (0) -> 00000000039272C0 0
[Thr 3860] HttpJ2EEDumpReqHeader:
eye1: deadbeef, version: 1, client ip: 195.1.1.181, protocol: 1, guid: 1/233,
length: 434, type: 0, trace: 3, status: 6, eye2: deadbeef
[Thr 3860] Address    Offset Send to AppServer via net:
[Thr 3860] ------------------------------------------------------------------------
[Thr 3860] 0000000003927308 000000 deadbeef 00000001 c30101b5 00000001 |................|
[Thr 3860] 0000000003927318 000016 00000001 000000e9 000001b2 00030600 |................|
[Thr 3860] 0000000003927328 000032 00000000 deadbeef                   |........        |
[Thr 3860] ------------------------------------------------------------------------
[Thr 3860] NiIWrite: hdl 30 sent data (wrt=40,pac=1,RAW_IO)
[Thr 3860] IcmFlushBuf: NiRawWrite (40 bytes) wrote 40, rc=0
[Thr 3860] MPI<53>3#5 DiscardOutbuf l2 0 0 197250 0 0 -> 00000000039272A0 0
[Thr 3860] Address    Offset Send to AppServer via net:

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Hi,
interesting questions. Portal is running on top of Netweaver platform (Java stack). Hence no Apache web server. I doubt that it supports any Apache modules. You can use Apache as reversed proxy in front of SAP portal. Check note 480520 with attached configuration guide. I don't know answer for your question regarding REMOTE_USER setting.
SAP portal supports all standard [authentication methods|http://help.sap.com/saphelp_nw70/helpdata/en/8a/cb136e68592f478266d19bb2b89766/frameset.htm] supported by Netweaver. Probably the only possible way is to use [SAML|http://help.sap.com/saphelp_nw70/helpdata/en/94/695b3ebd564644e10000000a114084/frameset.htm]. [Here|http://www.ibm.com/developerworks/tivoli/library/t-cssosap/index.html] is a how-to guide how to set up SSO based on SAML between Tivoli and Netweaver applicaiton server.
Also search on net. I found links to interesting presentations (e.g. [this one|http://www.switch.ch/aai/support/presentations/ws-sap-2010/ETHZ_AAI_SAP_SAML_Artifact.pdf]).
Cheers

Which objects to save in backup for a double stack system.

Hi Gurus,
We have a double stack solution manager system. We had a full system save, option 21 after installation. For the regular backup we are saving the following :
the IFS, R3<SID>DATA ,SAP<SID>DB libraries, and the journal libraries R3<SID>JRN ,SAP<SID>JRN and the Kernel Library.
Are the above mentioned libraries,coupled with the option 21 tape, enough to recover the system?
I am asking this cause, for a system copy, we need the export of the Java SDM schema(step1 of note 585279) along with the data libraries saved above.
where do we get the SDM schema in case of a disaster? Do we just export it out once and keep it safe somewhere, till we do any new java sport packs, in which case we take an export again and keep it safe?
Thanks,
Suhail

Hi Suhail,
if you include the kernel lib and all the other system settings like service definitions, r3wrknn, users etc, yes ...
but, you see, a full system save IS sufficient, but just taking these liks to a new iSeries, will fail. If you are asking to restore the system from 21 and IFS and the other libs from "last night backup" this would be fully sufficient.
I don't see any good reason to keep the SDM from now somewhere offsite - I didn't investigate where it is located - but either in one of the DBs or in the IFS ...
Regards
Volker Gueldenpfennig, consolut.gmbh
http://www.consolut.de - http://www.4soi.de - http://www.easymarketplace.de

Registering a CCMS Agent SAPCCMSR (Double-Stack)

Hello,
In our landscape, we are implementing the Central Monitoring System (CEN) functionality on NW2004s system.
Here are the landscape details:
F41 Instance - Dual Stack (ABAP + JAVA)
R3H - ABAP Stack
F31 - JAVA Statck
What we are trying to accomplish is, we would like to go-ahead and use the F41 ABAP instance as a Central Monitoring system.
Here is my question:
1. ABAP Instance F41 is a CEN. By default, I am able to see the F41 ABAP performance stats under ST03G transaction code.
If I want to monitor the Java Stack of instance F41, do I have to register the F41 JAVA stack using the agent SAPCCMSR?
or I should see the F41 JAVA stack stats with out making any settings/registration???
I really appreciate your response.
Thank you,
Nikee

Hi Srinikesh Cheella,
You must register the sapccmsr agent in Visual Administrator. The procedure is given on the SAP Help Portal at the following address:
http://help.sap.com/saphelp_nw2004s/helpdata/en/56/e2f74021addd50e10000000a1550b0/frameset.htm
Kind regards,
Christophe

Trouble in a SAP system with load balancing

Hello masters:
I had a trouble with workitems that came from a SAP system with load balancing. They doesn't receive the workitem ID in the UWL.
I created another system in the portal as a "dedicated application server", and made the necessary configuration in order to replace the first one, and then my workitems worked fine.
However, I would like to know what appened with the first system created as "system with load balancing". Why this system didn´t pass the workitem ID to the application (web dynpro abap) that execute the workitems?
Thank you.

I hope there was some missing configuration in the first case which was not replicating the workitem from SAP Inbox to UWL.
Thanks
Arghadip

SAP APO with SAP R/3 integration

Hi All,
From a technical perspective, what is it that a developer should know to work on SAP APO with SAP R/3 integration. Kindly elaborate on this if you can...
Thanks in advance.
Marvin
Edited by: Marvin Jones on Feb 3, 2008 5:09 AM

Standard APO and R/3 CIF integration does not need additional ABAP coding.
However if you are going to enhance any master or transaction data while transfer via CIF using BADI or User-exits then good amount of ABAP expertise is required.
Per my understanding USer-exits are classical ABAP while BADI are Object-oriented.
While I cannot comment if there will be "immense" amount of coding to be done but CIF user exits remain a critical component of any implementation. Its not the "amount" but "complexity" - need to understand the source system and target system behaiour and then accordingly modify, that matters.
Thumbrule - if its master data modification then its simple. If its transaction data modification then its can become quite complex.
Hope this helps.
somnath

SAP WebDispatcher with NW7.0 Double-Stack-ABAP/J2EE

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