SYSTEM_NO_SHM_MEMORY

Hi,
I am getting contiunous dump of SYSTEM_NO_SHM_MEMORY from WF_BATCH user.
I checked the following parameters in our system.
ztta/roll_area          6500352
ztta/roll_extension     2000683008
abap/heap_area_total     8000000000
abap/heap_area_dia     4000000000
abap/heap_area_nondia     4000000000
em/initial_size_MB     4361
abap/shared_objects_size_MB     150
Please suggest on this..
Thanks in advance.
Regards,
Manish Salvi

Hi Manish,
Could you please let me know the OS and 32 or 64 bit...
For 64 bit ... you have to chnge
Please change ztta/rool_first to 1 ..
Regards,
Manish

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Dump SYSTEM_NO_SHM_MEMORY

Hello:
For the second time in the last several months have appeared dump with
the following message SYSTEM_NO_SHM_MEMORY.
Can anybody help me?
Regards.

Hi:
Texto breve
    No more memory for 1336 bytes in the shared objects memory.
¿Qué ha sucedido?
    The shared objects memory is full or an area management specified
    memory limit has be reached.
¿Qué puede hacer?
    Try to find out (e.g. by targetted data selection) whether the
    transaction will run with less main memory.
    If there is a temporary bottleneck, execute the transaction again.
    If the error persists, ask your system administrator to check the
    following profile parameters:
    o ztta/roll_area            (1.000.000 - 15.000.000)
           Classic roll area per user and internal mode
           usual amount of roll area per user and internal mode
    o ztta/roll_extension       (10.000.000 - 500.000.000)
           Amount of memory per user in extended memory (EM)
    o abap/heap_area_total      (100.000.000 - 1.500.000.000)
           Amount of memory (malloc) for all users of an application
           server. If several background processes are running on
           one server, temporary bottlenecks may occur.
           Of course, the amount of memory (in bytes) must also be
           available on the machine (main memory or file system swap).
           Caution:
           The operating system must be set up so that there is also
           enough memory for each process. Usually, the maximum address
           space is too small.
           Ask your hardware manufacturer or your competence center
           about this.
           In this case, consult your hardware vendor
    abap/heap_area_dia:        (10.000.000 - 1.000.000.000)
           Restriction of memory allocated to the heap with malloc
           for each dialog process.
    Parameters for background processes:
abap/heap_area_nondia:        (10.000.000 - 1.000.000.000)
       Restriction of memory allocated to the heap with malloc
       for each background process.
Other memory-relevant parameters are:
em/initial_size_MB:         (35-1200)
       Extended memory area from which all users of an
       application server can satisfy their memory requirement.
Please make a note of the actions and input which caused the error.
To resolve the problem, contact your
SAP system administrator.
Select the "Print" function to obtain a hardcopy of the
current termination message.
Anál.errores
    One of the following three situations has occurred:
    1. In the shared objects memory there is not enough free memory
       available for the storage of further data.
    2. The maximum size specified in the area management for a version of
       this area would be exceeded by the storage of further data.
    3. The maximum size specified in the area management for all versions of
       all instances of this area would be exceeded by the storage of
       further data.
    The data object was to be created in the following area instance:
    "AREA=CL_SWF_CNT_FACTORY_SHMEM_AREAINST=CONTAINER_FACTORYCLNT=111"
Regards

CX_SHM_OUT_OF_MEMORY dump error in Solution Manager 7.1

Hello all,
We are facing an error while executing background jobs and few other operations.When i noticed in ST22, the no of dump errors are very high.
All the dump errors are relating to SYSTEM_NO_SHM_MEMORY
I went through SAP Note 1232973 and applied the 2nd option i.e increased the parameter "abap/shared_objects_size_MB" to 300.
But no luck,the dump error keeps appearing.
Also i added a profile parameter ztta/roll_first =1, then also it keep appearing.
OS Version is AIX 5.3 64 bit
The info from ST22 is,
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SHM_OUT_OF_MEMORY', was not
caught and
therefore caused a runtime error.
The reason for the exception is:
One of the following three possibilities has occurred:
1. There is not enough free memory available in the shared object memory
 to store further data.
2. The maximum size for a version of this area specified in the area
 administration will be exceeded in this version if more data is
 stored.
3. The maximum size for all versions of all instances of this area
 specified in the area administration will be exceeded if more data
 is stored.
The data object was to be stored in the following area instance:
"\AREA=CL_LMDB_MODEL_SHM_AREA\INST=LDB:0000000001\CLNT=\USER=0\EMOD=256".
Size of (to be created) Version .. 0
Maximum Size of Version .......... "<no or unknown bound>"
Shared Objects Memory in Total:
 Amount Used ......................... 35738256
 Amount Allocated..................... 78663680
 Free Memory ......................... 0
The size of the Shared Objects Memory is specified by the profil
parameter abap/shared_objects_size_MB.
Note: Generally, termination does not take place as soon as a memory
limit is exceeded. It happens later, at a later ABAP statement, which
may have nothing to do with Shared Objects.
Kindly suggest.
Thank You,
Regards,
Hasan

Hi,
It looks like value of parameter abap/shared_objects_size_MB is still very less. Please increase value of this parameter to some higher value and then check.
Thanks
Sunny

N level-Approval for contract workflow (WS14000148) in SRM

Hi SDN'rs
I want to activate N level-Approval for contract workflow (WS14000148) in SRM
When I am creating the contract in SRM I can see the approvers in the approval preview.
But when I release the contract and look at the approval privew there are no approvers
and the status of the contract is released.
We are on SRM Server 5.5 and SP 07.
Here what I did
1. I implemented the BADI 'BBP_WFL_APPROV_BADI' using the sample implementation and populated the approvers.
2. I activated events SAVED,CHANGEVERSIONSAVED for WS14000148 in OOCU transaction.
3. I see event linkages for WS14000148 for both events SAVED,CHANGEVERSIONSAVED in SWE2 transaction.
4. I assigned role SAP_EC_BBP_PURCHASER to for subworkflow N step for contract WS14000147.
( User who is creating contract has this role)
5. Consistency check for WS14000148 is green and WS14000147 is yellow in SWUD
6. Event simulation for BUS2000113 and events SAVED,CHANGEVERSIONSAVED shows WS14000148 successfully started.
I see dump in ST22 with errors TSV_TNEW_PAGE_ALLOC_FAILED and SYSTEM_NO_SHM_MEMORY with WF-BATCH is this any thing to do with that?
If any one know what are the steps I am missing please let me know.
Thanks
A S

Hi
Please refer to these OSS notes which might help.
Refer to following OSS Notes ->
Note 735026 - Memory problems at BBP_GETLIST_INDEX_FILL
Note 932836 - BBP_GETLIST_INDEX_FILL: Activation not possible
879528 WS14000148: Send mail to initiator incorrect
901200 WS14000148 dia wrk item despite NO_FURTHER_APPROVAL_NEEDED=X
879873 BUS2000113: The Object_ID attribute may be empty
903015 BAdI Workflows: Events and parallel steps
901068 BAdI Workflows: Enhancement of Note 896556
769458 Dynamic workflows: No adjustment after document change
972757 Occurence of the SYSTEM_NO_SHM_MEMORY runtime error
741864 FinBasis: Termination TSV_TNEW_PAGE_ALLOC_FAILED
864473 Deactivating the shared memory when searching by prefix
928642 Container factory: Shared memory dump update
Refer to these links.
http://help.sap.com/saphelp_srm50/helpdata/en/2c/e68d406b305537e10000000a1550b0/frameset.htm
http://help.sap.com/saphelp_srm50/helpdata/en/26/0f8b41ed891609e10000000a155106/frameset.htm
http://help.sap.com/saphelp_srm50/helpdata/en/6b/eca441eea7ef0be10000000a1550b0/frameset.htm
http://help.sap.com/saphelp_srm50/helpdata/en/f7/a6a3415e34b05fe10000000a1550b0/frameset.htm
http://help.sap.com/saphelp_srm50/helpdata/en/6b/eca441eea7ef0be10000000a1550b0/frameset.htm

Also raise an OSS message with SAP as well.
Regards
- Atul

ST22 Dumps: Shared Objects

Hi SDN,
in our SRM System, SRM Server 5.5, WAS700 ABAP, we get ST22 Short Dumps concerning "shared objects".
This is the Dump Short Analysis:
Runtime Errors         SYSTEM_NO_SHM_MEMORY
Date and Time          19.08.2008 12:20:50
Short text
     No more memory for 2516576 bytes in the shared objects memory.
What happened?
     The shared objects memory is full or an area management specified
     memory limit has be reached.
In heard, that "shared objects" is part of the new WAS 620, 640, 2004s, 700 ... releases
What are exactly these shared objects. And how can we avoid the dumps?
We have an instance profile parameter set:
abap/shared_objects_size_MB                 100
Apparently this is not enough... Are there any recommendations?
thanx, matthias

Take a look at [Note 972757 - Occurence of the SYSTEM_NO_SHM_MEMORY runtime error|https://service.sap.com/sap/support/notes/972757] for further information. You should investigate what is using the shared objects memory, it may be an error in a application. The note will help to determine this.
Regards,
Nelis

Explanation of run time error & its process of elimination

what is the following runtime errors .When does it occur & how can we eliminates these-
1. SYSTEM_NO_SHM_MEMORY
2. RAISE_EXCEPTION
3. UNCAUGHT_EXCEPTION
With Regards
Amit Singh

Hi Amit,
I am not sure about the run time error SYSTEM_NO_SHM_MEMORY, however the other two I know a little about.
RAISE_EXCEPTION can be the cause of the run time dump UNCAUGHT_EXCEPTION. In ABAP program, you might have a function module or method which raises an exception using the command RAISE <exception>. Now if in your calling application you do not "handle" the exception, then the dump UNCAUGHT_EXCEPTION occurs.
The solution to this is to always handle the SY-SUBRC after a function module call and also using the TRY - CATCH <exception> - ENTRY for catching and handling exceptions in classes in your program.
Please use F1 on CATCH/TRY command for more on this.
A dump shows you the reason for the dump in quite a bit of detail in "Error Analysis" section and also gives a solution.
Check ST22.
Regards,
Aditya

ITS, New user session denied due to memory bottleneck

Dear Friends,
We were facing the following issues
1) when we access Shopping cart functionality (using Internal ITS)
through web and it is given error
500 SAP Internal Server Error (Error: New session was refused due to
memory bottleneck). For every error in web, we could find the entry
in SM21 as mentioned below,
10:39:35 DIA 000 300 PHG02777 W0 D ITS, New user
session denied due to memory bottleneck.
10:39:35 DIA 000 300 PHG02777 W0 3 ITS, User
session could not be created
10:39:35 DIA 000 300 PHG02777 D0 1 Transaction
Canceled ITS_P 027 ( )
2) ST22 Dumps: SYSTEM_NO_SHM_MEMORY
We have followed SAP note #Note 1232973 - SYSTEM_NO_SHM_MEMORY short
dump and increased the parameter abap/shared_objects_size_MB from 320
to 640.After that we have not any SYSTEM_NO_SHM_MEMORY error and we
monitored in SHMM transaction about the free memory and
available. Before this change, we used to clean manually the ICF shared
memory when it got accumulated with high value. This implies that the
problem regarding SYSTEM_NO_SHM_MEMORY is solved.
But still we were facing issues mentioned in point no 1). When we have
more than 100 sessions. This is occurring more from 8:00 CET to 12:00 CET
(peak load)
Later we changed the value of abap/shared_objects_size_MB from 640 to
1664 and also we reduced em/initial_size_MB from 12Gb to 11Gb (since we
are not using full amount of em initial size).
****Important *****
after this change we are facing more often related to point no 1).
Moreover, We could find the following in the trace file of W0 as,
Trace file of W0 is showing,
Tue Apr 14 12:38:42 2009
WARNING => ipl_MemAvail already 80 % memory used (itsp:
highwater = 80 %) [itsplmem.c 534]
***LOG W0D=> NULL& [itspxx.cpp 697]
ERROR => itsp_OpenSession failed rc = 1, send icf error page
[itsplxx.c 878]
***LOG W03=> [itsplxx.c 879]
ERROR => ipl_OpenSession returns 1(ITSPE_FAILURE) [itsplxx.c
881]
ERROR => Raise Last error:[27 from: itspxx.cpp :699]
[itsplxx.c 1214]
ERROR => RaiseError(sapdext) ITS_P:27 [itspxx.cpp 699]
Since the parameter itsp/max_eg_mem_percent was set to 80.
It is not clear that from which memory layout the eror is occuring.
According to note :Note 785365 - Extended Global Memory (EG) increased
from 2 GB to 8 GB
we could see that The size of the EG is obtained from the total of the
parameter values em/global_area_MB and abap/shared_objects_size_MB
We would like you check the system and update us about the memory
layout defined in our system, more specically em/global_area_MB (we are
planning to increase the value according to note SAP Note 742048) from
896 (current) to 1200 (10 % of em/initial_size_MB) and reduce the
abap/shared_objects_size_MB from 1664 to 640 .
Any help will be highly appreciated.
Thanks
Venkat

to 1)
You can monitor the ITS memory usage in transaction SITSPMON, but you are on the right track with increasing em/global_area_MB.
If you see its sessions lasting for a long time, then you might need to adapt the session timeout to save memory (TIMEOUT of your icm server port). Have a look at note [885580 - Integrated ITS: Configuration Parameters|https://service.sap.com/sap/bc/bsp/spn/sapnotes/index2.htm?numm=885580] for details.
Regards, Michael

SYSTEM_NO_SHM_MEMORY

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