Stopping the Felix SCR bundle may leave traces behind thus preventing the class
loader from being GC-ed
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Key: FELIX-1833
URL: https://issues.apache.org/jira/browse/FELIX-1833
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-1.2.0
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: scr-1.2.0
Apart from the ServiceReference issue with Garbage Collection (and clean system
state) described by FELIX-1832, some other cases may happen preventing proper
garbage collection and ultimately classloader removal.
One such case is the ComponentActorThread class which extends Thread. There are
some libraries wich keep references to threads and thus also to the
ComponentActorThread (one such class is the Lucene ClosableThreadLocal class).
This prevents the object from being collected and consequently the class loader
from being collected.
Also there are some fields in the BundleComponentActivator which must be
cleared and -- most notably -- the LogService tracker should be closed and
dropped.
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