The thread context classloader has no specified meaning in OSGi. So
unless you set it to something specific you can not rely on its value.
So I think the observed behaviour is not a bug.
If you want to access the bundle classloader you can access it by
this.getClass().getClassLoader().
Christian
On 04.11.2015 13:50, Yogesh Rao wrote:
Hello,
I am using Karaf 3.0.3 on JDK 1.7, I noticed a behaviour by Aries
Blueprint which seems a little odd to me. We have created a bundle
which gets initialized/activated using blueprint, within the
blueprint.xml we have a bean with init-method defined to it. I noticed
that the classloader used is sun.misc.Launcher$AppClassLoader instead
of the usual bundle specific classloader. Since this wasnt a bundle
specific classloader it failed to resolve the dependencies available
to it from the other bundles. Sample xml used for the blueprint
definition is below
<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0";
xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.1.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="
http://www.osgi.org/xmlns/blueprint/v1.0.0
http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.1.0
http://aries.apache.org/schemas/blueprint-cm/blueprint-cm-1.1.0.xsd
">
<bean id="initBean" class="com.example.KickStarter" init-method="init"/>
</blueprint>
KickStarter.java
public void init() {
System.err.println( " Classloader " +
Thread.currentThread().getContextClassLoader() );
}
output :- Classloader sun.misc.Launcher$AppClassLoader@74184b3b
For the code to resolve the dependencies i had to manually set the
classloader using
Bundle bundle1 = FrameworkUtil.getBundle( KickStarter.class );
ClassLoader newCL = bundle1.adapt(BundleWiring.class).getClassLoader();
My question to the group is whether using of Launcher classloader is
normal or should it have been bundle aware classloader ?
Thank you!
Regards,
-Yogesh
--
Christian Schneider
http://www.liquid-reality.de
Open Source Architect
http://www.talend.com
