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https://issues.apache.org/jira/browse/CXF-4294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh resolved CXF-4294.
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Resolution: Fixed
> Exception Cache ws-security.timestamp.cache.instance already exists or Cache
> ws-security.nonce.cache.instance already exists
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: CXF-4294
> URL: https://issues.apache.org/jira/browse/CXF-4294
> Project: CXF
> Issue Type: Bug
> Components: WS-* Components
> Affects Versions: 2.6
> Reporter: Debdayal Mandal
> Assignee: Colm O hEigeartaigh
> Priority: Minor
> Fix For: 2.6.1, 2.5.4, 2.4.8
>
>
> We have upgraded to CXF 2.6.0 and services started fine but getting following
> exceptions when first client calls are coming
> Exception Cache ws-security.timestamp.cache.instance already exists OR
> Cache ws-security.nonce.cache.instance already exists
> Our project has multiple webservice endpoints/services in a single JVM and
> all of the endpoints may get a client SOAP call at the same time. We have WS
> Security timestamp, signature and encryption enabled. This exception is
> coming when all the client calls are coming almost at the same time but if
> the client calls are sparse over time then everything runs fine. But when the
> exception occurs that particular client received no data or exception.
> In our analysis, we found that CXF 2.6.0 is trying to add cache instance for
> nonce and timestamp through net.sf.ehcache.CacheManager: addCache (final
> Ehcache cache) API call. I am not sure if this cache instance addition
> happens for all the SOAP calls or once per endpoint but
> net.sf.ehcache.CacheManager: addCache (final Ehcache cache) has a strict
> check, if it is already there (may have been created already by another
> webservice endpoint in the same JVM) it throws an exception.
> It appears that CXF should use net.sf.ehcache.CacheManager:
> addCacheIfAbsent(final Ehcache cache) instead of net.sf.ehcache.CacheManager:
> addCache (final Ehcache cache). addCacheIfAbsent(...) does not throw
> exception if the cache instance is already present.
> Currently we have made following changes to avoid the exceptions
> <jaxws:endpoint id="....">
> ...
> <jaxws:properties>
> ...
> <entry key="ws-security.enable.nonce.cache"
> value="false" />
> <entry
> key="ws-security.enable.timestamp.cache" value="false" />
> </jaxws:properties>
> </jaxws:endpoint>
> Please let us know, if this is a bug or are there any other solution such
> that we do not have to disable nonce and timestamp cache of our own.
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