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From "Amichai Rothman (JIRA)" <>
Subject [jira] [Commented] (CXF-5188) Leaks in ServiceImpl when stopping/restarting bundles
Date Wed, 14 Aug 2013 10:06:48 GMT


Amichai Rothman commented on CXF-5188:

The main leak turns out to be higher up the stack in ServerFactoryBean - when a server is
initialized successfully but then throws an exception when started (such as the one above),
the exception is propagated and the server is not properly disposed of. I fixed it to first
destroy the server before propagating the exception.

After this fix the main leak (which was easily recreated on almost every restart) is closed,
but there's still another leak somewhere that's harder to recreate, I've seen it a couple
of times and haven't tracked it down yet - I'll open a separate issue when I have more details.
> Leaks in ServiceImpl when stopping/restarting bundles
> -----------------------------------------------------
>                 Key: CXF-5188
>                 URL:
>             Project: CXF
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>         Environment: Karaf 2.3.2, DOSGi 1.6.0-SNAPSHOT
>            Reporter: Amichai Rothman
>         Attachments: ServiceImpl_leak_snapshot.png
> I've been looking at VisualVM heap dumps after restarting some custom bundles in Karaf
and noticed the stopped services (exported via DOSGi) linger in memory and are never garbage
collected (screenshot attached, StoreServiceImpl being the lingering custom service). Browsing
through the instance hierarchy from the snapshot I found something suspicious - org.apache.cxf.endpoint.ServiceImpl
registers the ManagedEndpoint with the ServerLifeCycleManager, but doesn't seem to unregister
it when the instance is destroyed. Could this be the memory leak preventing the old bundles
from being collected?

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