Peter Kriens created FELIX-6288:
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Summary: Apache Felix SCR Lock timeout
Key: FELIX-6288
URL: https://issues.apache.org/jira/browse/FELIX-6288
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Reporter: Peter Kriens
The SCR timeout for obtaining the lock to create a component instance (state
lock) is 5 secs. We ran into a case where this was not sufficient on embedded
hardware. Clearly an activate method/constructor should not take this amount of
time. However, while tracing this it was clear that this time included a large
number of activate methods. If you have a set of lazy services in a dependency
chain, and someone activates the top of the chain, all downstream activate
methods will be running.
The purpose of the 5 secs is imho to break deadlocks, there seems nothing to
win by breaking an application because you only want to wait 5 secs. If an
application takes too long to startup, it is far superior to let the
application finish correctly than put it in an unknown state by failing the
component creation.
I suggest increasing the default timeout to something like 30sec. This will
break deadlocks and should handle the 99,999% of the cases slowly but
correctly.
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