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https://issues.apache.org/jira/browse/SLING-4287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laurie byrum resolved SLING-4287.
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Resolution: Fixed
verified this is fixed with very latest source.
> Cannot activate agent factory in osgi console
> ---------------------------------------------
>
> Key: SLING-4287
> URL: https://issues.apache.org/jira/browse/SLING-4287
> Project: Sling
> Issue Type: Bug
> Components: Distribution
> Reporter: Laurie byrum
>
> A NPE occurs if you start with a disabled SyncDistributionAgentFactory and
> later enable it in the felix OSGi configmgr. It happens at
> https://github.com/apache/sling/blob/cf076879f572d9976fd002d67e48108af5992eaa/contrib/extensions/distribution/core/src/main/java/org/apache/sling/distribution/agent/impl/SyncDistributionAgentFactory.java#l162
> Here is a partial stack trace:
> 06.01.2015 16:34:33.950 *ERROR* [CM Event Dispatcher (Fire
> ConfigurationEvent:
> pid=org.apache.sling.distribution.agent.impl.SyncDistributionAgentFactory.810b0979-8c7c-4fe6-aa47-6ddf430485e0)]
> org.apache.sling.distribution.core
> [org.apache.sling.distribution.agent.impl.SyncDistributionAgentFactory(141)]
> The activate method has thrown an exception (java.lang.NullPointerException)
> java.lang.NullPointerException: null
> at java.util.Hashtable.put(Hashtable.java:514)
> at
> org.apache.sling.distribution.agent.impl.SyncDistributionAgentFactory.activate(SyncDistributionAgentFactory.java:161)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> This is because config.get(DistributionConstants.PN_IS_RESOURCE) is always
> returning null if you edit via the osgi config. I worked around this locally
> by having a default value for isResource.
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