AthenaPoolCnvSvc: Extra diagnostics.

Generate some extra diagnostics if we have trouble finding dictionary information when we try to look up a guid. Trying to get more information on rare failures described in ATEAM-697.

This merge request affects 1 package:

• Database/AthenaPOOL/AthenaPoolCnvSvc

This merge request affects 1 file:

• Database/AthenaPOOL/AthenaPoolCnvSvc/src/TPCnvElt.cxx

Adding @mnowak ,@ssnyder as watchers

added Database master review-pending-level-1 labels

CI Result SUCCESS (hash 7e44350b)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 30854]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit d04cb9df

added sweep:ignore label