Bundles only have access to java.* package and what they explicitly import.
Is your bundle explicitly referencing javax.swing.UIManager? If so, then
make sure your bundle is importing javax.swing.
If your bundle does not explicitly reference it, then it might be a boot
delegation issue.
-> richard
On 10/9/09 20:59, Niko_K wrote:
Hi,
i'm sorry if this is some kind of noob question (since today is the first
day i am experimenting with apache felix - and OSGI in general), but i can't
find a solution on google or in this forum.
I created a bundle for my swing application.
Although i know that i have to find a solution to my log4j logging problems,
this is not the main problem.
Here is the output after starting felix:
<code>
Welcome to Felix.
=================
log4j:ERROR A "org.apache.log4j.ConsoleAppender" object is not assignable to
a "org.apache.log4j.Appender" variable.
log4j:ERROR The class "org.apache.log4j.Appender" was loaded by
log4j:ERROR [1.0] whereas object of type
log4j:ERROR "org.apache.log4j.ConsoleAppender" was loaded by
[sun.misc.launcher$appclassloa...@2c2bbd86].
log4j:ERROR Could not instantiate appender named "A1".
ERROR: Error starting
file:/home/niko/workspace/JSimulation/bundle/de.krismer.simulation.core.runtime.jar
(org.osgi.framework.BundleException: Activator start error in bundle [1].)
java.lang.NoClassDefFoundError: javax/swing/UIManager
at de.krismer.simulation.SimulationRuntimeImpl.startRuntime(Unknown
Source)
at
de.krismer.simulation.SimulationRuntimeActivator.startApplication(Unknown
Source)
at de.krismer.simulation.SimulationRuntimeActivator.start(Unknown
Source)
at
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:667)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:1699)
at org.apache.felix.framework.Felix.startBundle(Felix.java:1621)
at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1076)
at
org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException: javax.swing.UIManager
at
org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:726)
at org.apache.felix.framework.ModuleImpl.access$100(ModuleImpl.java:60)
at
org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1631)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 9 more
</code>
Shouldn't this class be part of the jdk itself?
I started Felix with the custom framework launcher from
http://felix.apache.org/site/apache-felix-framework-launching-and-embedding.html.
Is this problem related with my custom launcher?
Maybe someone can help me with this problem (or even with my log4j problem)
Best regards,
Niko
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