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https://issues.apache.org/jira/browse/AXIS2-3011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12515749
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Dustin Amrhein commented on AXIS2-3011:
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Lin,
Are you caching the AxisConfiguration object or the ConfigurationContext
object? Is this done in your own version of a ClientConfigurationFactory? Do
you have a code snippet or can you point me at the source?
> ServiceDescription caching leads to memory leak
> -----------------------------------------------
>
> Key: AXIS2-3011
> URL: https://issues.apache.org/jira/browse/AXIS2-3011
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: jaxws
> Reporter: Jarek Gawor
> Assignee: Ann Robinson
> Attachments: AXIS2-3011.patch
>
>
> The DescriptionFactoryImpl.createServiceDescription() function attempts to
> cache/reuse the ServiceDescription objects and that leads to memory leaks.
> First, a Hashtable is used for the cache. That means, any ServiceDescription
> created will always live in the cache and won't ever be reclaimed (and there
> is no clear cache function). Some sort of WeakHashMap could help the problem
> so that at least some unused ServiceDescription objects could be reclaimed.
> Second, the createServiceDescription() uses the
> DescriptionFactory.createClientConfigurationFactory().getClientConfigurationContext()
> to get the client configuration context. It looks like by default the
> ClientConfigurationFactory.getClientConfigurationContext() does NOT cache the
> configuration context. Therefore, each call creates a new configuration
> object. That means, that by default ServiceDescription will NOT be reused
> since the configuration context object instance is used to determine if the
> ServiceDescription should be reused or not (see DescriptionKey.equals()
> function).
> So, a simple program that calls createServiceDescription() repeatably in a
> loop (with the same arguments) will quickly run out of memory.
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