Hi, i'm relatively new to OSGi and Karaf, therefore please forgive me if this
problem was answered elsewhere (i looked but couldn't find)
I was working in past few days with Karaf and deploying OSGi
bundles(containing routes) using different DI frameworks within Karaf:
blueprint and spring.
I'm running Karaf 4.1 on Windows 7 and java 1.8.
As far i understand blueprint is recommended but i had to check spring as
well In order to 'integrate' Spring and OSGI. Eventually i managed to get it
working.
Feature list is the following (my bundle is FileRouteSpring and it contains
very simple route , just copy file(s) from->to):
karaf@root()> list
START LEVEL 100 , List Threshold: 50
ID | State | Lvl | Version | Name
----+--------+-----+----------------+----------------------------------------
29 | Active | 80 | 4.1.0 | Apache Karaf :: OSGi Services :: Event
53 | Active | 50 | 2.18.2 | camel-blueprint
54 | Active | 50 | 2.18.2 | camel-catalog
55 | Active | 50 | 2.18.2 | camel-commands-core
56 | Active | 50 | 2.18.2 | camel-core
57 | Active | 80 | 2.18.2 | camel-karaf-commands
64 | Active | 50 | 2.18.2 | camel-spring
86 | Active | 50 | 2.18.2 | camel-spring-dm
87 | Active | 50 | 1.1.1 | geronimo-jta_1.1_spec
109 | Active | 80 | 0.0.1.SNAPSHOT | FileRouteSpring
But, sometimes after Karaf is restarted bundle can't start due to errors
like this:
("org.apache.camel.model.config" doesnt contain ObjectFactory.class or
jaxb.index)
It looks like its timing issue. I guess OSGI runtime(Felix) is resolving all
bundle dependencies during boot based on start level and i suspect that
sometimes resolution part fails(or wrong class is wired). There are several
bundles that have same level (50) hence that could explain the timing
problem. Or, maybe this i'm completely off mark with my thoughts :)
I was wondering if anyone experienced this problem or maybe can give his
thoughts.
I was thinking to switch to Equinox or to give different start levels per
bundle.
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