Dan Haywood created ISIS-1414:
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Summary: nextTransaction can cause null pointers with the new
MetricsService.
Key: ISIS-1414
URL: https://issues.apache.org/jira/browse/ISIS-1414
Project: Isis
Issue Type: Bug
Components: Core
Affects Versions: 1.12.1
Reporter: Dan Haywood
Assignee: Dan Haywood
Priority: Minor
Fix For: 1.13.0
The reason is that request-scoped services are implemented as transaction
services. Most of the time the scope of a request and the scope of a
transacion are one and the same: there is just one transaction per scope.
However, TransactionService#nextTransaction admits for there being multiple
transactions per request.
This bug is that the current implementation for RequestScoped does the
init/close as part of the Transaction management. Instead, this should be part
of the PersistenceSession#open/close (a PersistenceSession wraps a JDO session,
so basically corresponds to the request).
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