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https://issues.apache.org/jira/browse/KARAF-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Baptiste Onofré reassigned KARAF-2359:
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Assignee: Jean-Baptiste Onofré
> DirectoryWatcher for "deploy" directory should be configured to wait until
> framework start level reaches 60
> -----------------------------------------------------------------------------------------------------------
>
> Key: KARAF-2359
> URL: https://issues.apache.org/jira/browse/KARAF-2359
> Project: Karaf
> Issue Type: Bug
> Components: karaf-config
> Affects Versions: 2.2.11
> Environment: ServiceMix 4.4.2 and 4.5.1
> Reporter: metatech
> Assignee: Jean-Baptiste Onofré
>
> Problem :
> By default, the DirectoryWatcher of Felix scans for new files very early in
> the start process. If a new application bundle is added to the "deploy"
> directory, it might be detected and started while the framework start level
> is still at 30, although the application bundle start should be postponed
> until level 60 is reached.
> If not, a typical problem will be that Camel-core is deployed after the
> application bundle, thereby not using the OSGi-aware CamelContext, causing
> some Camel components not to be found, with errors such as the following :
> Caused by: org.apache.camel.ResolveEndpointFailedException: Failed to resolve
> endpoint: sql://SELECT 1 from DUAL?dataSourceRef=myDS due to: No component
> found with scheme: sql
> A hint to the root cause of the problem can be found in the logs :
> CamelNamespaceHandler | OSGi environment not detected.
> By default, the property "felix.fileinstall.start.level" in file
> "org.apache.felix.fileinstall-deploy.cfg" is unconfigured, resulting in the
> default "0" level being used. Although this means that the new bundle's
> start level will be configured at level 60 (as configured in the
> "karaf.startlevel.bundle" property), another unwanted side effect is also
> observed : there is no wait in method "DirectoryWatcher:run()".
> Solutions :
> To avoid such race conditions between the starting of Camel-core bundle and
> an application bundle, it would be safer to explicitly configure the property
> "felix.fileinstall.start.level" to 60 in Felix 3.1.x, or property
> "felix.fileinstall.active.level" to 60 in Felix 3.2.x, or change the code of
> DirectoryWatcher to retrieve the default start level, in case it is
> unspecified in the properties.
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