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[jira] [Created] (BROOKLYN-600) Failed blueprint deployment: entities not cleaned up under-the-covers


Aled Sage created BROOKLYN-600:
----------------------------------

             Summary: Failed blueprint deployment: entities not cleaned up under-the-covers
                 Key: BROOKLYN-600
                 URL: https://issues.apache.org/jira/browse/BROOKLYN-600
             Project: Brooklyn
          Issue Type: Bug
    Affects Versions: 0.12.0
            Reporter: Aled Sage


When a blueprint deployment fails, it can leave partially-created entities behind. These are referenced under-the-covers in {{LocalEntityManager.preRegisteredEntitiesById}} and {{preManagedEntitiesById}}, so are entirely hidden from the user. However, it is bad that we leave them around, and it was a contributing factor to https://issues.apache.org/jira/browse/BROOKLYN-599.

For example, deploying this blueprint fails (because {{QpidQueue}} entity expects to have as a parent a {{QpidBroker}}).

```
services:
- type: org.apache.brooklyn.entity.messaging.qpid.QpidQueue
```

However, the failed app/entity is still held in memory.



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