Deadlock in Blueprint service lookup
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Key: ARIES-390
URL: https://issues.apache.org/jira/browse/ARIES-390
Project: Aries
Issue Type: Bug
Components: Blueprint
Affects Versions: 0.2
Reporter: Valentin Mahrwald
Assignee: Valentin Mahrwald
Fix For: 0.2
As described in https://issues.apache.org/jira/browse/GERONIMO-5554 there is
potential deadlock in the Blueprint service code.
In particular, ServiceRecipe has a lock hierarchy of getting an instance lock
on the ServiceRecipe instance and then getting the Blueprint container-wide
lock for the blueprint repository. However, while the blueprint container is
creating its instances a thread may also come into the ServiceRecipe lookup
code already having the blueprint repository lock.
In such a case deadlock is possible because two threads can attempt to obtain
the lock in either order.
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