Home > Cannot Lock > Cannot Lock Request Of Table For Deletion

Cannot Lock Request Of Table For Deletion

Terminate 051 No deletion routines found for variant &1. SAP work process# has a process type (background, Dialog etc.). Do an enqueue trace via SAP transaction ST05/ST12 – This is my normal way to verify what is collision and who is holding the lock which block the process being traced. My personal preference is to use SAP ST12/ST05 enqueue trace, I found myself often lost in the huge number of enqueue log entries and cannot find lock holder. http://ecoflashapps.com/cannot-lock/cannot-lock-lock-file-etc-mtab-timed-out.html

They mention other notes for immediate action, but even after applying these, we still face the problem.Any help is appreciated.ThanksPrakash Prakash Holalkere March 03, 2007 at 02:57 AM 0 Likes 2 Deletion not possible. 068 Error deleting request &1 from InfoCube &2. When this issue happens, it is important to understand what business object is involved and who is holding the lock. This was caused by an application setting which was causing lock contention. http://scn.sap.com/thread/985878

We need to check who are placing most of locks when fill level is close to quotas like Maximum number of lock entries allowed. For example, lock on the entry level only impact subsequent SAP lock request which need to lock the same entry. SAP will not be held liable for any damages caused by using or misusing the information, code or methods suggested in this document, and anyone using these methods does so at Improper deleting SM12 lock entry might cause data integrity issue for related table or business object.

Following are the steps to change the QM Status of a yellow request to red/green by using RSBM_GUI_CHANGE_USTATE    1. there are no transformations in my DFT. Thanks and regards, cjperk92 _____ Top Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving... afterDFT i have Execute SQL Task to get the target count. 26 million records have been successfully inserted into the table but job failed with below error:"Source: DFT_BW_TO_STAGING SAP BI Source

I would prefer a maximum 90% utilization as a threshold for further investigation. For example, if SAP updating function is slow or stopped, all entries which belong to updating tasks would remain in SAP lock table until corresponding updating tasks are completed. missing 131 Request &1, data package &2 not correct 132 Inserted records &1; Changed records &2; Deleted records &3 133 Request &1; Active req. &3 is incorrect with status &4 for A master data load through DTP failed as the background job for DTP failed with a short dump and you want to start a new DTP load but you cannot as

These messages are very simple to use and can be implemented into your ABAP code using the MESSAGE statement and the following syntax. The SAP lock is on business object level. In the above note, SAP recommends SP 12 to solve this issue, but dont know about its availability. Database lock is at entry or table level which is a "hard lock".

When they come back and try the same to transaction we see an error that the "item is locked or is processed by user". How critical and how urgent should we deal with such stuck SAP lock entries? If rejected rate goes significant higher, this can indicate a system wide SAP lock issue. In background processing, SAP application can have a logic of keeping trying until lock is secured assuming whoever holds the lock would release the lock quickly.

Several minutes log should be enough. http://ecoflashapps.com/cannot-lock/cannot-lock-etc-mnttab.html How old is old enough? Powered by Blogger. Please pay attention that a SAP "DIA" work process is designed to be shared among online users which might execute different SAP transactions/programs - an user task would be rolled out

The number of enqueue operations and the number of rejected is the accumulation data since latest start of the system. To find out such information, you have two ways Log enqueue operation via SAP transaction SM12 – you can find out business object (lock object) involved in collision based on SM12 A stuck SAP SM12 entry can cause subsequent SAP lock request failure if the subsequent lock request needs to lock the same object. http://ecoflashapps.com/cannot-lock/cannot-lock-lock-file-etc-mtab.html All programs/jobs who need to place the table would fail.

This type of design is to avoid interruption of background process execution. Figure 5 DO-ENDDO loop for lock requests Please note that I am explaining the technical reason why lock requestor is seen 4.3.3 How to do trouble-shooting when such issue happened? When this issue happens, one or many Sap work processes are continuously running with report SAPLSENA in SAP work process monitor SM50 screen( refer to Figure 3 to see sample screen)

Please refer to below figure 2 for explanation of SM12 Enqueue statistics.

I would like to highlight again that you should take caution to delete an SAP lock entry and switch off SAP enqueue logging. Snowy replied May 15, 2008 guys, this problem is resolved. Top Best Answer 1 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving... Then we can review whether number of lock entries can be reduced via changing program code or the way which the program/job is executed.

Please remember to switch off logging after you are done to avoid disc space issue. Dave Thornburgh replied May 19, 2008 Snowy - Some of us following via the mailing list don't see posts for 24 hours or so after they are posted. But it could be important f number of entries stuck are significant or old lock entry is related to a frequent access object. 4 SAP lock issue trouble-shooting SAP lock issue this contact form SAP lock is different from database lock.

This issue itself is an application issue since SAP lock is an application protocols implemented in business application/program. Apparently this happens rarely to a well-tune SAP system. There is no prerequisite background in developing database applications. But how do we know a SAP lock entry can be safely deleted?

The SAP lock entry will be removed automatically after related updating task is completed. But it could be important f number of entries stuck are significant or old lock entry is related to a frequent access object. 4 SAP lock issue trouble-shooting SAP lock issue If the program who holds the lock cannot release the lock quickly for some reasons or there are huge number of requests to lock the same object, so the lock request Improper application design on SAP lock – Application design of top SAP lock capacity user should be carefully reviewed especially if it is using high % of SAP lock capacity like

If a huge number of lock entries from many different users, this can indicates Malfunction of SAP system. It is only a separator in the list 005 There is no path from &1 &2 to &3 &4 006 No &2 variants have been implemented for process type &1 yet Solution When old request in Scenario 1 & 2 is in yellow status and you are not able to change / delete the request, it’s actually in a pseudo status. A granted SAP lock request is held in an in-memory central lock table with a configurable size via SAP transaction RZ10.

Following chart is an example I used to verified whether SAP lock rejected rate is normal. Close Getting Started Store Skip to content Skip to breadcrumbs Skip to header menu Skip to action menu Skip to quick search Spaces Browse Pages Labels Space Operations Quick Search Help You agree that you will not hold, or seek to hold, SAP responsible or liable with respect to the content of this document. SQL Server 2014 introduces in-memory tables and stored procedures.

Request removed from variant 114 No monitor entries exist for request &1. SM12 Lock entry is owned by updating task( backup flag is checked or shadow/blue entry) In General, you do not delete an SM12 lock entry whose backup flag is checked. SQL Server Developer Center   Sign in United States (English) Brasil (Português)Česká republika (Čeština)Deutschland (Deutsch)España (Español)France (Français)Indonesia (Bahasa)Italia (Italiano)România (Română)Türkiye (Türkçe)Россия (Русский)ישראל (עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 (中文)台灣 (中文)日本 (日本語) For example, SAP SM12 lock entry is under user A, but SAP SM13 update backlog contains no entry from user A.

then delete the task and transport. Inappropriate execution – This is referring to the situation where a user is executing a transaction with abnormal volume due to accidental operation or process a huge volume in a time-window The issue was resolved but someone was questioning why rejected rate was still high.