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SAP Data Services: Monday free Traces

I going to confess you something: I’m not the happiest person on Earth when working with SAP Data Services. Trying to solve an error during a job execution or performance issue became a pain in the ass. If you have work with SAP Data Services you’ll probably understand me completely, if not I’ll give you an advice: Stay away from it! Apart from the jokes we applied a patch on a SAP Data Services system and the first of SAP Murphy’s law appeared: It a patch/upgrade was fine on DEV and QAS system will be wrong on PRD system…

The problem

During the execution of batch jobs on SAP Data Services there are 3 tabs:

  • Job Trace Log: Show information of the job execution such as the starting execution and end time of the WF, DF, Jobs, etc. Also it shows like if the job is being executed using cache statistics, if its generating cache statistics, etc.
  • Job Monitor Log: Show information of the DF and WF such as state, number of processed rows, elapsed time, etc.
  • Job Error Log: Shows warnings and errors that appeared during the job execution.

All the 3 tabs are quite important for the Data Services consultants since they use this information to see if the job execution was correct, problems that appeared during the execution, performance, etc. Our issue was that after applied the patch on the production environment the trace tab wasn’t showing any information. it was almost completely empty:

Trace tab on SAP Data Service showing no data
Trace tab on SAP Data Service showing no data

The solution

I checked the SAP Support Portal and I found no note related to this issue. After checking the SCN Forums and BOB Forums I decided to open a Very High Support Message to SAP. I’m not a big fan of Very High messages but in this case our DS Consultants where close to commit suicide. In order to fix this issue you can follow this steps:

  • Go to the operating system and check your LINK_DIR system variable. On *nix OS just check the $LINK_DIR, on Windows check %LINK_DIR% (you can type it on the Explorer).
  • Over there go to the bin folder/directory.
  • Check if there is a file named BETrace_message_en.bin. If not that is the cause of the issue.
File on the bin directory for trace log
File on the bin directory for trace log
  • You can copy the file from another DS system with the same patch level and support package. In case you don’t have another system you can repair the SAP Data Service installation from the Programs option in the Control Panel.

After copying the file you should get information on the trace tab, it is not necessary to restart the SAP Data Services system. The SAP Note 1753161 – Empty trace log when executing batch job after installing patch, Data Services 4.x Edge describes a similar error than this one but not the same one.

Conclusions

I still don’t understand why the SAP Data Services installed didn’t create this file during the patch update. I check the patch after the patch update and I couldn’t find any information or any error so it is some kind of poltergeist… Remember kids the 1st of SAP Murphy’s law: If everything was fine on DEV/QAS system it will be wrong on PRD system!

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