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Cisco Bug: CSCum88263 - XML file consistently corrupted for SGSN schema (GPRS service)

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0

Description (partial)

Symptom:
EMS server produces corrupted XML files. To give an example, in XML entry for GPRS service with mcc,mnc,lac,rac=0, all last 500 variables would have the same (incorrect) value.

Conditions:
unknown. this happened after upgrade.

WEM splits schema & its counters into multiple tables in case the counter list for that schema exceeds 700 counters. This splitting is done for every 700 counters for that schema.
For e.g if a schema contains 1500 counters, it will split itself into 3 tables - schema, schema_1, schema_2 tables with 700, 700 and 100 counters respectively. The count per table is maintained in a cache which is further used for PostgresSQL query generation. The count per table is being updated incorrectly for the following schemas (with more than 2 tables).
1. asngw
2. sgsn
3. cscf

hence, the query generation is failing for the above schemas and logging an error in bulkstatserver logs. Due to this, the XML/ASCII file generation is getting affected for the above mentioned schemas. Apart from this, rest of the schemas will generate XML/ASCII files as expected without any problem.
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