Live Cache config prob!!!!!!

Dear All,
I have just installed IDES of SCM 5.0 and scheduled and released the default jobs from sm36. But from sm37 I can see that the jobs are getting cancelled .
1)" Connection to LiveCache Failed " .
2)" LiveCache Lock Server not Accessible " .
I have installed ABAP + JAVA and logged in client 001.
Please advice ........
Regards,
Souren

Hi Natalia,
Thanks for the reply.
Ours is win2k3 32 bit system where we have installed :
(1) Oracle 10.2 &
(2) SCM 5.0 server (Central System Installation).
During Installation, SAPinst asked for Live cache related details (eg, Live Cache ID - we have given LC1, Control user's Pwd etc) along with the installation DVD for the same - where we have given the DVD 51032259_11 (NW 2004s SR2 liveCache 7.6.0 Windows Server on IA32 32bit).
The installation completed successfully. Our SCM system id is SR3.
**Does this mean that Live Cache Server got installed ??
After the above installation, we have referred the "Installation - SAP liveCache Technology on Win - NW 7.0 SR2" and tried to do the post installation steps (Assuming that Live cache got installed )
We created the RFC user with all the authorizations as described in the SAP note for the same.
During the post installation step :
dbmcli d <SID> -u <controluser>,<password> db_offline,
we got the following error:
ERROR! Connection failed to node <LOCAL> for database <SID>:
Database instance not found.
We tried with both SR3 & LC1 as SID but the result is same.
Further, we tried the next post installation step using LC10.
After Integrating LCA,LDA & LEA, when we tried to "monitor" the Live Cache (by clicking the Live Cache: Monitoring button), we got the following error:
DBMRFC Function : DBM_CONNECT
Error :DBM Error
Return Code : -4
Error Message database instance not found
How should we proceed now??
Thanks & Regards,
Souren

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ST22 timeout for all LC related transactions LIVE cache start stop working from LC10

Hi Team
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thanks
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Hello Kishore,
you could check the sizing of the liveCache data.
* Report /SAPAPO/TS_LCM_REORG_SNP has checks of the SNP planning areas for superfluous objects.
* Delete old/temporary APO data.
* /SAPAPO/TS_LCM_REORG report checked TS superfluous objects.
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If you have the long running APO transactions => performance of the SCM system has to be checked.
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Best regards, Natalia Khlopina

APO Live cache

Hi guru's,
         i just wanted to know what live cache means? How do we mention live cache? If an APO person says that "data is stored in live cache " what does it mean? How do we extract data from live cache?
I will be very thankfull to you all if i get this answers.
Thanks a Lot
Regards,
Raja

Hello Raja,
For SAP liveCache documentation in English:
http://help.sap.com/saphelp_nw04/helpdata/en/f2/0271f49770f0498d32844fc0283645/frameset.htm
( please see the liveCache terms 'Data Cache' & 'OMS Data' )
As you know objects in liveCache stored in the class containers can be
accessed and manipulated only via LCA ( liveCache Applications ) routines
( Database Procedures ) which are methods of LCA ( COM ) objects.
The registration of the LCA routines is done automatically when the liveCache
is started by the LC10, check the lcinit.log file.
The shared ( dynamic linked )procedures in the LiveCache are written in C++
and shipped to the customers as binary shared libraries ( dynamic linked )
(COM-Routines or LCA-Routines) together with the LiveCache. The original
C++ source code of the libraries is not generally available to the customers.
You can get the complete list of the stored procedures using SQL Studio
(shipped with the LiveCache):
just connect to the LiveCache as Standard livecache user ( SAPR3 or SAP<LC-SID>
By default ) with the password 'SAP'( default ).
You can read the Config-Files ./sapdb/<LC name>/db/sap/xxx.lst
or check the information in the lcinit.log file.
Names of all registered procedures, which have been called from ABAP, you can find
executing 'lc10' transaction on your SAPAPO system:
LiveCache Monitoring ->Problem Analysis -> Database Procedures .
If you need to see the interfaces of the procedures, you may use 'se80'
transaction and navigate in the Development class '/SAPAPO/OM'.
The transaction /n/SAPAPO/OM16 is provided by SAP to get
information about data stored in the LiveCache. If you
would like to get your own views, you should write a special report
in ABAP using "/SAPAPO/OM"-development class functionality.
'/SAPAPO/OM16' itself calls a bunch of OM- functions to read
data from the LiveCache, e.g.:
/SAPAPO/OM_RESOURCE_GET_ALL
/SAPAPO/OM_ORDER_GET_ALL
/SAPAPO/OM_SETUPMATRIX_GET_DAT
/SAPAPO/OM_STOCK_GET_BY_UID
You can get more information about liveCache and LCA object at the following links:
Service.sap.com/scm ( -> mySAP SCM Technology )
Service.sap.com/liveCache
Thank you and best regards, Natalia Khlopina
Message was edited by: Natalia Khlopina

Specifying coherence-cache-config.xml for multiple clusters

Hi,
I am running two cache clusters (Cluster A and B that hold different cache types). we have a web application that needs to communicate with both the clusters. we have two coherence-cache-config-g.xml files, one for each cluster.
where do we specify the two coherence-cache-config.xml for each of these clusters in our coherence.jar that we deploy on the web app server.
pls provide some inputs...
thanks in advance,
- G.

Hi G,
You can define a path to the cache configuration descriptor in your operation configuration override file (tangosol-coherence=override.xml) or specify it in the system property "tangosol.coherence.cacheconfig".
Please see this Wiki page for details:
http://wiki.tangosol.com/display/COH32UG/configurable-cache-factory-config
Regards,
Gene

Compacting the cache-config.xml for multiple cache-store

Hi,
I have a cache-config.xml that has various ReadWriteBackingMaps with different CacheLoader implementations. I was wondering of the best way to compact this xml using the scheme-ref tag, as all I really need is schemes, with different cache stores. e.g. I have an InstrumentCacheStore and a CurrencyCacheStore .. which invoke different CacheLoaders. they are both distributed caches.
I thought the below would work, but it dosen't.. :( when loading a currency, the InstrumentCacheStore gets invoked.
is there a way to compact this XML? Else, for 6 different cache loaders that I have, do I have to specify the whole distributed-scheme again and again?
<cache-config>
<caching-scheme-mapping>
<cache-mapping>
<cache-name>instrument-*</cache-name>
<scheme-name>distributed-instrument-scheme</scheme-name>
</cache-mapping>
<cache-mapping>
<cache-name>currency-*</cache-name>
<scheme-name>distributed-currency-scheme</scheme-name>
</cache-mapping>
</caching-scheme-mapping>
<caching-schemes>
<distributed-scheme>
<scheme-name>distributed-instrument-scheme</scheme-name>
<scheme-ref>distributed-scheme</scheme-ref>
</distributed-scheme>
<distributed-scheme>
<scheme-name>distributed-currency-scheme</scheme-name>
<scheme-ref>distributed-scheme</scheme-ref>

<cachestore-scheme>
<class-scheme>
<class-name>coherence.cachestore.CurrencyCacheStore</class-name>
</class-scheme>
</cachestore-scheme>
</distributed-scheme>
<distributed-scheme>
<scheme-name>distributed-scheme</scheme-name>
<service-name>DistributedCache</service-name>
<backing-map-scheme>
<read-write-backing-map-scheme>
<internal-cache-scheme>
<local-scheme>
<scheme-ref>LocalSizeLimited</scheme-ref>
</local-scheme>
</internal-cache-scheme>
<cachestore-scheme>
<class-scheme>
<class-name>coherence.cachestore.InstrumentCacheStore</class-name>
</class-scheme>
</cachestore-scheme>
</read-write-backing-map-scheme>
</backing-map-scheme>
<serializer>
<class-name>com.tangosol.io.pof.ConfigurablePofContext</class-name>
</serializer>
<partition-count>5557</partition-count>
<backup-count>1</backup-count>
<thread-count>10</thread-count>
<autostart>true</autostart>
</distributed-scheme>
<local-scheme>
<scheme-name>LocalSizeLimited</scheme-name>
<high-units>500000000</high-units>
<low-units>10000</low-units>
<unit-calculator>BINARY</unit-calculator>
</local-scheme>
</caching-schemes>
</cache-config>
--------------------------------------------------------------------------------------------------------------

There are two possible ways to sort this out
1. The cache configuration for the distributed-currency-scheme shown in the original post is wrong and does not correctly override the cache store, it should look like this:.
<distributed-scheme>
<scheme-name>distributed-currency-scheme</scheme-name>
<scheme-ref>distributed-scheme</scheme-ref>
<backing-map-scheme>
    <read-write-backing-map-scheme>
      <internal-cache-scheme>
        <local-scheme>
          <scheme-ref>LocalSizeLimited</scheme-ref>
        </local-scheme>
      </internal-cache-scheme>
      <cachestore-scheme>
        <class-scheme>
          <class-name>coherence.examples.CurrencyCacheStore</class-name>
        </class-scheme>
      </cachestore-scheme>
    </read-write-backing-map-scheme>
</backing-map-scheme>
</distributed-scheme> 2. You can use a single scheme and parameterise it like this:
<?xml version="1.0"?>
<!DOCTYPE cache-config SYSTEM "cache-config.dtd">
<cache-config>
<caching-scheme-mapping>
    <cache-mapping>
      <cache-name>instrument-*</cache-name>
      <scheme-name>distributed-scheme</scheme-name>
      <init-params>
        <init-param>
          <param-name>cache-store-class-name</param-name>
          <param-value>coherence.examples.InstrumentCacheStore</param-value>
        </init-param>
      </init-params>
    </cache-mapping>
    <cache-mapping>
      <cache-name>currency-*</cache-name>
      <scheme-name>distributed-scheme</scheme-name>
      <init-params>
        <init-param>
          <param-name>cache-store-class-name</param-name>
          <param-value>coherence.examples.CurrencyCacheStore</param-value>
        </init-param>
      </init-params>
    </cache-mapping>
</caching-scheme-mapping>
<caching-schemes>
    <distributed-scheme>
      <scheme-name>distributed-scheme</scheme-name>
      <service-name>DistributedCache</service-name>
      <backing-map-scheme>
        <read-write-backing-map-scheme>
          <internal-cache-scheme>
            <local-scheme>
              <scheme-ref>LocalSizeLimited</scheme-ref>
            </local-scheme>
          </internal-cache-scheme>
          <cachestore-scheme>
            <class-scheme>
              <class-name>{cache-store-class-name}</class-name>
            </class-scheme>
          </cachestore-scheme>
        </read-write-backing-map-scheme>
      </backing-map-scheme>
      <serializer>
        <class-name>com.tangosol.io.pof.ConfigurablePofContext</class-name>
      </serializer>
      <partition-count>5557</partition-count>
      <backup-count>1</backup-count>
      <thread-count>10</thread-count>
      <autostart>true</autostart>
    </distributed-scheme>
    <local-scheme>
      <scheme-name>LocalSizeLimited</scheme-name>
      <high-units>500000000</high-units>
      <low-units>10000</low-units>
      <unit-calculator>BINARY</unit-calculator>
    </local-scheme>
</caching-schemes>
</cache-config>Parameter names from the init-params part of each cache mapping can be used inside curly brackets in the cache scheme part.
Hope that helps,
JK

How to specify index for cache in coherence-cache-config.xml

Hi All,
We want to apply indexing on cache data.
Suppose i have a EMPLOYEE object in coherence cache.
and i want to use employeeID for indexing purpose.
Can anybody help me to achieve this at Congregational level i.e. using xml file (coherence-cache-config.xml) .
Edited by: 981644 on Jan 16, 2013 1:51 AM

Hi,
I've posted some [url http://coherence.oracle.com/download/attachments/14647422/add-index-namespace.jar]code and the [url http://coherence.oracle.com/download/attachments/14647422/add-index-namespace-src.jar]source. It depends on coherence common version 2.3.0.39174 however I believe it will work with 2.0.0.23649 also. Coherence common library can be downloaded from [url http://coherence.oracle.com/display/INC10/coherence-common]here
Note: This is purely an example on how to achieve index creation via a cache configuration file and is not a part of the product thus is not covered by product support.
Here is an example cache configuration that uses the namespace:
<cache-config xmlns:service="class://com.oracle.coherence.environment.extensible.ServiceOperations">
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                <init-params>
                    <init-param>
                        <param-type>string</param-type>
                        <param-value>getName</param-value>
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        </service:index-add>
        
        <service:index-add cache-name="dist-indexes" pof-enabled="true">
            <pof-index>8,16,32</pof-index>
        </service:index-add>
        
        <service:index-add cache-name="dist-indexes" pof-enabled="true" enabled="{tangosol.index.add}">
            <pof-index>8,16,31</pof-index>
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        <service:index-add cache-name="dist-indexes">
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                <init-params>
                    <init-param>
                        <param-type>{class}</param-type>
                        <param-value>null</param-value>
                    </init-param>
                    <init-param>
                        <param-type>{object}</param-type>
                        <param-value>
                            <class-name>com.tangosol.io.pof.reflect.SimplePofPath</class-name>
                            <init-params>
                                <init-param>
                                    <param-type>{int[]}</param-type>
                                    <param-value>1,2,4</param-value>
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            </extractor>
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</cache-config>Thanks,
Harvey

Error during Live Cache Server Installation on SCM 4.1 system

Hi All,
I have an SCM 4.1 ABAP system running on MSSQL2005 and Win2003 server.I would like to install Live Cache Server on the same Server.Livecache client was installed as part of SCM 4.1 installation.
I have installed MAXDB software and now when im trying to install Live Cache Server Instance i get the below error
Im performing the installation with user root and it is an Administrator.
WARNING 2011-12-09 11:01:25
Execution of the command "change 'user' '/install'" finished with return code 1. Output: Install mode does not apply to a Terminal server configured for remote administration.
Installation start: Friday, 09 December 2011, 11:01:23; installation directory: G:\SCM_4.1_Media\Media_Live_Cache\New_Media\51031447_2\CD_SAP_SCM_4.1_liveCache_64bit\SAPINST\NT\AMD64; product to be installed: SAP SCM 4.1> Additional Services> Install a liveCache Server instance
Transaction begin ********************************************************
WARNING 2011-12-09 11:02:33
Error 3 (The system cannot find the path specified.
) in execution of a 'CreateProcess' function, line (265), with parameter (G:\SCM_4.1_Media\Media_Live_Cache\New_Media\51031447_2\CD_SAP_SCM_4.1_liveCache_64bit\NT\AMD64\SDBUPD.EXE -l).
Transaction end **********************************************************
WARNING 2011-12-09 11:02:34
The step Fill_sapdb_db_instance_context with step key LIVECACHESERVER|ind|ind|ind|ind|ind|0|LC_SERVER_INSTALL|ind|ind|ind|ind|ind|0|Fill_sapdb_db_instance_context was executed with status ERROR.
Has anyone seen this error before ? Any pointers would be helpful.
Regards,
Ershad Ahmed.

Subprocess starts at 20111209154957
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX db_enum
Execute Session Command : exit
> Subprocess stops at 20111209154957
OK
> Subprocess starts at 20111209155027
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX db_enum
Execute Session Command : exit
> Subprocess stops at 20111209155027
OK
> Subprocess starts at 20111209155221
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX db_enum
Execute Session Command : exit
> Subprocess stops at 20111209155221
OK
> Subprocess starts at 20111209155323
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX inst_enum
Execute Session Command : exit
> Subprocess stops at 20111209155324
OK
7.5.00.31    f:\sapdb\liv\db
7.6.06.10    f\sapdb\sdb\7606
7.6.06.10    C:\Program Files\sdb\7606
> Subprocess starts at 20111209155324
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX inst_enum
Execute Session Command : exit
> Subprocess stops at 20111209155324
OK
7.5.00.31    f:\sapdb\liv\db
7.6.06.10    f\sapdb\sdb\7606
7.6.06.10    C:\Program Files\sdb\7606
> Subprocess starts at 20111209161349
Execute Command : C:\Program Files\sdb\programs\pgm\dbmcli.exe -n XXXXXXXXX inst_enum
Execute Session Command : exit
> Subprocess stops at 20111209161349
OK
7.5.00.31    f:\sapdb\liv\db
7.6.06.10    f\sapdb\sdb\7606
7.6.06.10    C:\Program Files\sdb\7606
Regards,
Ershad Ahmed.

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Hi,
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Hello,
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> ERROR : restart not possible [please check knldiag!!]
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regards,
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Hi,
I have a coherence cluster and multiple application clusters in my WLS. I am trying to override cache config as I wan to creating write behind and read through caches specific to my application cluster. Please provide a guideline on how to add additional coherence jars in server class path & overriding cache config.
As I am a beginner, detailed explanation would be helpful.
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Hi,
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HTH
Cheers,
NJ

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Hi,
I have created a file called tangosol-coherence-override.xml file in the specified path which is " C:\Program Files\Oracle\Coherence for .NET"
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C:\Program Files\Oracle\Coherence for .NET\examples\ContactCache.Java>"C:\Progra
m Files\Java\jdk1.6.0_11\bin\java" -server -showversion -Xms128m -Xmx128m -Dtang
osol.coherence.ttl=0 -Dtangosol.coherence.cacheconfig=contact-cache-config.xml -
cp "config;lib\custom-types.jar;C:\Program Files\Oracle\Coherence for .NET\lib\c
oherence.jar" com.tangosol.net.DefaultCacheServer
java version "1.6.0_11"
Java(TM) SE Runtime Environment (build 1.6.0_11-b03)
Java HotSpot(TM) Server VM (build 11.0-b16, mixed mode)
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er=n/a): Loaded operational configuration from "jar:file:/C:/Program%20Files/Ora
cle/Coherence%20for%20.NET/lib/coherence.jar!/tangosol-coherence.xml"
2011-06-20 15:06:57.989/2.748 Oracle Coherence 3.7.0.0 <Info> (thread=main, memb
er=n/a): Loaded operational overrides from "jar:file:/C:/Program%20Files/Oracle/
Coherence%20for%20.NET/lib/coherence.jar!/tangosol-coherence-override-dev.xml"
2011-06-20 15:06:58.049/2.808 Oracle Coherence 3.7.0.0 <D5> (thread=main, member
=n/a): Optional configuration override "/tangosol-coherence-override.xml" is not
specified
2011-06-20 15:06:58.062/2.821 Oracle Coherence 3.7.0.0 <D5> (thread=main, member
=n/a): Optional configuration override "/custom-mbeans.xml" is not specified
Oracle Coherence Version 3.7.0.0 Build 23397
Grid Edition: Development mode
Thanks in Advance

The CLASSPATH is not the same as the PATH. It is similar but a classpath is a set of directories or jar files that Java uses to look for executable code and resources.
Assuming you are using the example start-cache-server.cmd file that comes with the .Net examples to start your server you can put the tangosol-coherence-override.xml file into the C:\Program Files\Oracle\Coherence for .NET\examples\ContactCache.Java\config directory as this is on the classpath when using that script.
JK

Unable to delete Order does not exist in live cache but in table POSMAPN

Hi Experts,
We are facing an issue where purchase order is not available in live cache (which means no GUID) but exists in database table POSMAPN. We have tried to delete it using standard SAP inconsistent order deletion program and also using BAPI BAPI_POSRVAPS_DELMULTI but not able to delete it.
Can anybody suggest a method by which we can get rid of this order from the system.
Thanks a lot.
Best Regards,
Chandan

Hi Chandan,
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Not sure if you have tried this way. If this does not solve your purpose you need to check SAP Notes.
Thanks,
Babu Kilari

What is the significance of Live Cache in demand planning ?

Hi all,
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Thanks
Pooja

Hi Pooja,
SAP has come up with Live cache concept for storage and most important, quick and efficient processing of transactional data. Its a layer between data base and GUI and even the search methods and storage space has been optimized due to its structure. In DP it is used for storage of time series data whereas in SNP it can store both time series and order series data.
Regarding your second query, it is recommended to have Live cache consistency on a periodic basis for synchrinising data between LC and database tables. You can face many issues due to LC inconsistency as incorrect time series generation, Transactional data discrepancy, COM routine errors during background processing etc.
Let me know if it helps
Regards
Gaurav

BAPI to get the Quantity from orders in live cache.

Hi Folks,
Can any body provide me the BAPI to get the quantity value for the orders saved in the Live Cache. I tried using the BAPI
BAPI_SLSRVAPS_GETLIST2 ... but its not fetching any records for me. what else i need to provide it as input.
Thanks in advance.
Thanks & Regards,
Ramana

Check this thread.
Delete In-Transits.
In-Transit is not a particular order. Any Goods Movement from one location to another location will be considered as In-Transit.
Let's say Plant A is sending Product P1 to DC B against a Purchase Order.
In that case in plant A the stock will be reduced by the quauntity of goods being shipped.
At DC B, the Purchase Order will become In-Transit Stock.
Thanks,
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Name and Server : LCA - gva1073
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3. Determine status using TCP/IP connection SAPDB_DBM_DAEMON (DBMRFC
session mode)
4. Test the SQL connection (Native SQL at CON_NAME)
Application Server: gva1075_SCD_03 (
SunOS )
1. Connect. test with "dbmcli db_state"
Successful
2. Connect. test with command mode "dbmrfc db_state"
Unsuccessful
dbm_system_error
Name and Server : LCA - gva1073
DBMRFC Function : DBM_EXECUTE
Command : db_state
Error : DBM Error
Return Code : -11
Error Message : tp error: Terminating. [nlsui0.c 1934] pid
3. Connect. test with session mode "dbmrfc db_state"
Unsuccessful
dbm_system_error
Name and Server : LCA - gva1073
DBMRFC Function : DBM_CONNECT
Error : DBM Error
Return Code : -11
Error Message : tp error: Terminating. [nlsui0.c 1934] pid
4. Connect. test with "native SQL" ( LCA )
Successful
++++++++++++++++++++++++++++++++++++++++++++++++++++
Can anybody please help?
Thanks and regards,
Vaibhav

Hello Vaibhav,
while using transaction LC10, the error 11 "tp error: Terminating. [nlsui0.c ...]" occurs. The user authorization with tp fails and the application server cannot connect to the liveCache.
I assumed, that it's due to a library version mismatch, tp cannot use the liveCahe UNICODE libraries.
Please check, that the tp call at the command line works properly. And a dbmcli call in the transaction SM49 with the tp options
(dbmcli ::
-d <LC-SID> -n <LC-servername> -tpp <profile> -tpi <system-SID>
-tpc <connection - LCA/LDA> dbm_version)
works also properly.
I recommend you to update the liveCache client software on the Application server.
If you've got access to OSS/Service Market Place, then please take a look at note
649814 how to update the liveCache client software on the application server.
< Please also review the SAP notes 847736 & 831108 >
Before the liveCache client version will be upgraded on the application
server you can use the workaround by switching off the central authorization for the liveCache LCA/LDA connections:
In transaction LC10, choose Integration and deactivate the option Central authorization, then save.
If you are the official SAP customer, I recommend you to create the ticket to SAP on 'BC-DB-LVC' queue.
Thank you and best regards, Natalia Khlopina

Data fetch from live cache

How can I retrieve data from live cache?This is in Demand Planning : SCM APO.
Please suggest ways.
Thanks & Regards,
Savitha

Hi,
some time ago I worked on SAP APO.
To read live cache, you first have to open a SIM session.
You can do this as shown in this function module:
FUNCTION ZS_SIMSESSION_GET.
*"*"Local Interface:
*" IMPORTING
*"     REFERENCE(IV_SIMID) TYPE /SAPAPO/VRSIOID
*" EXPORTING
*"     REFERENCE(EV_SIMSESSION) TYPE /SAPAPO/OM_SIMSESSION
CONSTANTS:
lc_simsession_new       TYPE c LENGTH 1 VALUE 'N'.
DATA:
lt_rc                   TYPE /sapapo/om_lc_rc_tab,
lv_simsession           LIKE ev_simsession.
IF NOT ev_simsession IS INITIAL.
    EXIT.
ENDIF.
*--> create Simsession
CALL FUNCTION 'GUID_CREATE'
    IMPORTING
      ev_guid_22 = lv_simsession.
*--> create transactional simulation
CALL FUNCTION '/SAPAPO/TSIM_SIMULATION_CONTRL'
    EXPORTING
      iv_simversion            = iv_simid
      iv_simsession            = lv_simsession
      iv_simsession_method     = lc_simsession_new
      iv_perform_commit        = space
    IMPORTING
      et_rc                    = lt_rc
    EXCEPTIONS
      lc_connect_failed        = 1
      lc_com_error             = 2
      lc_appl_error            = 3
      multi_tasim_registration = 4.
IF sy-subrc > 0.
    CLEAR ev_simsession.
*   error can be found in lt_rc
ENDIF.
* return simsession
ev_simsession = lv_simsession.
ENDFUNCTION.
Then you can access the live cache.
In this case we read an order (if I rememver correctly, it's a plan order):
DATA:
lv_vrsioid                  TYPE /sapapo/vrsioid,
lv_simsession           TYPE /sapapo/om_simsession.
* Get vrsioid
CALL FUNCTION '/SAPAPO/DM_VRSIOEX_GET_VRSIOID'
    EXPORTING
      i_vrsioex_fld = '000' "By default
    IMPORTING
      e_vrsioid_fld = lv_vrsioid
    EXCEPTIONS
      not_found     = 1
      OTHERS        = 2.
CALL FUNCTION 'ZS_SIMSESSION_GET'
      EXPORTING
        iv_simid      = iv_vrsioid
      IMPORTING
        ev_simsession = lv_simsession.
CALL FUNCTION '/SAPAPO/RRP_LC_ORDER_GET_DATA'
    EXPORTING
      iv_order      = iv_orderid
      iv_simversion = iv_vrsioid
    IMPORTING
      et_outputs    = lt_outputs
      et_inputs     = lt_inputs.
If you change something in your simsession, you have to merge it back afterwards, so that your changes become effective.
You can do this like that:
* Merge simulation version (to commit order changes)
CALL FUNCTION '/SAPAPO/TSIM_SIMULATION_CONTRL'
    EXPORTING
      iv_simversion                = lv_vrsioid
      iv_simsession                = lv_simsession
      iv_simsession_method         = 'M'
    EXCEPTIONS
      lc_connect_failed            = 1
      lc_com_error                 = 2
      lc_appl_error                = 3
      multi_tasim_registration     = 4
      target_deleted_saveas_failed = 5
      OTHERS                       = 6.
I hope this helps...

Live Cache config prob!!!!!!

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