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From neykov <...@git.apache.org>
Subject [GitHub] cxf pull request: Fixes a NPE if Bus is not registered
Date Tue, 12 Apr 2016 11:31:03 GMT
GitHub user neykov opened a pull request:

    https://github.com/apache/cxf/pull/129

    Fixes a NPE if Bus is not registered

    Just adding the bundle in an OSGi container causes a NPE in the logs because the Activator
is called, but no Bus service is available. Even if there's a bundle providing the Bus service
it could be registered after the asyncclient Activator executes so the `HTTPConduitFactory`
service will be registered indeterministically. The changes will wait for the Bus service
to become available and register the `HTTPConduitFactory` service.
    
    Here's the stack trace of the exception:
    ```
    2016-03-09 18:41:49,298 | ERROR | ort.http.async]) | configadmin                     
| 3 - org.apache.felix.configadmin - 1.8.8 | [org.osgi.service.cm.ManagedService, id=146,
bundle=84/mvn:org.apache.cxf/cxf-rt-transports-http-hc/3.1.4]: Unexpected problem updating
configuration org.apache.cxf.transport.http.async
    java.lang.NullPointerException
        at org.apache.cxf.transport.http.asyncclient.AsyncHTTPConduitFactory.addListener(AsyncHTTPConduitFactory.java:285)[84:org.apache.cxf.cxf-rt-transports-http-hc:3.1.4]
        at org.apache.cxf.transport.http.asyncclient.AsyncHTTPConduitFactory.<init>(AsyncHTTPConduitFactory.java:144)[84:org.apache.cxf.cxf-rt-transports-http-hc:3.1.4]
        at org.apache.cxf.transport.http.asyncclient.Activator$ConduitConfigurer.updated(Activator.java:79)[84:org.apache.cxf.cxf-rt-transports-http-hc:3.1.4]
        at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.provide(ConfigurationManager.java:1444)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:1400)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:143)[3:org.apache.felix.configadmin:1.8.8]
        at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:110)[3:org.apache.felix.configadmin:1.8.8]
        at java.lang.Thread.run(Thread.java:745)[:1.7.0_80]
    ```

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/neykov/cxf fix/missing-bus

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cxf/pull/129.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #129
    
----
commit 17e05cde74aa6639cb2d2b5d811668d941fbafb4
Author: Svetoslav Neykov <svetoslav.neykov@cloudsoftcorp.com>
Date:   2016-04-12T11:29:11Z

    Fixes a NPE if Bus is not registered
    
    Just adding the bundle in an OSGi container causes a NPE in the logs because the Activator
is called, but no Bus service is available. Even if there's a bundle providing the Bus service
it could be registered after the asyncclient Activator executes so the HTTPConduitFactory
service will be registered indeterministically. The changes will wait for the Bus service
to become available and register the HTTPConduitFactory service.

----


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