Troubleshooting
Problem
DataStage Parallel job fails with error message "too many open files" when running on Windows platform
Symptom
In the DataStage job log, error messages seen are:
Item #: 867
Event ID: 2172
Timestamp: 2011-11-15 10:09:47
Type: Fatal
User Name: xxxxxxxxxxxxxxxxxxxxx
Message Id: IIS-DSEE-TOSO-00048
Message: APT_CombinedOperatorController(0),1: Fatal Error: Unexpected error in APT_TSort_ScratchFile::nextInputDescriptor: could not open file: E:\Data\DS_TEST\Scratchspace/tsortOggtbvxt; error: Too many open files
Followed by the following error message a few entries later:
Item #: 873
Event ID: 2178
Timestamp: 2011-11-15 10:09:50
Type: Fatal
User Name: xxxxxxxxxxxxxxxxxxxx
Message Id: IIS-DSEE-TOSO-00048
Message: APT_CombinedOperatorController(0),0: Fatal Error: Unexpected error in APT_TSort_ScratchFile::nextInputDescriptor: could not open file: E:\Data\DS_TEST\Scratchspace/tsort4qb08d3n; error: No such file or directory
[{"Product":{"code":"SSVSEF","label":"IBM InfoSphere DataStage"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"--","Platform":[{"code":"PF033","label":"Windows"}],"Version":"8.5;8.1;8.1.0.1;8.1.0.2;8.0.1;8.0.1.1;8.0.1.2;8.0.1.3;8.5.0.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]
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Document Information
Modified date:
25 April 2025
UID
swg21572431