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https://issues.apache.org/jira/browse/CXF-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183986#comment-13183986
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Sergey Beryozkin commented on CXF-3949:
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> Maybe SMX4-860 will make the problem disappear ?
Hopefully, CXF & DOSGi 1.3-snapshot also have a 1.9.0 dependency
> NoClassDefFoundError when using CXF JAX-RS in OSGi environment
> --------------------------------------------------------------
>
> Key: CXF-3949
> URL: https://issues.apache.org/jira/browse/CXF-3949
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.3.2
> Environment: ServiceMix 4.3
> Reporter: metatech
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> When using the CXF JAX-RS implementation in an OSGi environment, the CXF
> implementation might fail to initialize properly.
> The problem is non-consistently reproduceable, but more likely to occur on
> machines with high parallelism (due to several cores/threads).
> The CXF bundle ("org.apache.cxf.bundle") has a dependency on the JSR 311 API
> JAR ("org.apache.servicemix.specs.jsr311-api-1.1").
> But the dependency is marked as "resolution=optional" in the OSGi headers of
> the CXF bundle manifest.
> As a result, if the JSR-311 bundle is not yet fully started when the CXF
> bundle is started, OSGi does not "wire" these packages into the imports of
> the CXF bundle:
> javax.ws.rs
> javax.ws.rs.core
> javax.ws.rs.ext
> The error is the following :
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.cxf.jaxrs.utils.JAXRSUtils
> See similar error DOSGI-1
> I guess that these packages are marked as optional because CXF can be used in
> an environment where no JAX-RS is available, and it works fine as long as the
> application does not use this API. However, when an application is known to
> use the API, the dependency marked as "optional" is not correct.
> Long-term solution : split CXF bundle into smaller bundles (like Jetty).
> Workaround : edit the manifest of the CXF bundle, and remove the
> "resolution=optional" for the packages which are known to be used by the
> application. Tip : replace "resolution" by "resolutio2", this tricks
> prevents from changing the alignment of the 80-characters columns.
>
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