This documentation supports the 9.1 to 9.1 Service Pack 3 version and its patches of BMC Atrium Core. The documentation for version 9.1.04 and its patches is available here.

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CMDB client managed transaction issues

When implementing CMDB client managed transaction function calls, you will receive BMC Remedy AR System error messages because the client managed transaction CMDB C API functions rely on the corresponding AR System C API functions.

For more information on AR System C APIs, see Developing. For more information on the AR System configuration file, see Configuring after installation in the BMC Remedy AR System online documentation.

Guidelines for CMDB client managed transaction functions

The section includes general guidelines for implementing CMDB client managed transaction functions.

  • Do not execute long running processes or APIs in the transaction.
  • Do not use the same transaction handle in multi-threaded API calls.
  • Make sure that the transaction is as small as possible to reduce the chance of deadlock.
  • When running concurrent transactions, make sure that there is no data overlap between transactions.

To troubleshoot maximum client transactions error

If you receive the following AR System error 897, you may not have set a parameter in the AR System configuration file (ar.cfg or ar.conf ).

Error (897): Maximum number of client transactions already in use.

In the AR System configuration file (ar.cfg or ar.conf ), modify the AR_SERVER_INFO_MAX_CLIENT_MANAGED_TRANSACTIONS parameter. Since the default is 0, this parameter must be set prior to using client managed transaction functions. Note that the maximum amount that can be set is 100.

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