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From "Claus Ibsen (JIRA)" <>
Subject [jira] Commented: (CAMEL-774) ResolverUtil under OSGi error: Could not search jar file '/org/apache/camel/converter'
Date Fri, 01 Aug 2008 06:31:00 GMT


Claus Ibsen commented on CAMEL-774:

Hi Hendry

I got your project and is running it with jdk6 update 7 (had to update from u3, not using
java6 normally with camel development).
I can reproduce the bug on my laptop.

It actually pick ups the converters with the real bundle classloader, but since Camel will
try several classloaders it gets to this one as well that we are not supposed to use.
I will work on a patch.

About the dynamic stuff. I am not an OSGi expert either but we get the attentions of the good
people that know much more about this stuff.

> ResolverUtil under OSGi error: Could not search jar file '/org/apache/camel/converter'
> --------------------------------------------------------------------------------------
>                 Key: CAMEL-774
>                 URL:
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core, camel-osgi, camel-stream
>    Affects Versions: 1.4.0
>         Environment: Linux/Ubuntu, Maven 2.0.9, Camel 1.4.0, Spring 2.5.5, Spring-DM
>            Reporter: Hendy Irawan
> This is a sequel of CAMEL-577, which itself duplicated by CAMEL-558 and CAMEL-522. Probably
related to CAMEL-636, CAMEL-693, and CAMEL-689.
> First of all, to even get this to "work" requires my own bundle to have this manifest:
> DynamicImport-Package: org.apache.camel.*
> Failing to do so will result in more classloading errors.
> Even so, it still fails with this:
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Testing for class
org.apache.camel.converter.jaxp.XmlConverter matches criteria [annotated with @Converter]
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Found class:
class org.apache.camel.converter.jaxp.XmlConverter in classloader: BundleDelegatingClassLoader
for [ (]
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Testing for class$StreamSourceCache matches criteria
[annotated with @Converter]
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Testing for class$InputStreamCache matches criteria [annotated
with @Converter]
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Searching for:
annotated with @Converter in package: org/apache/camel/converter using classloader: org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - It's not an osgi
bundle classloader
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Getting resource
URL for package: org/apache/camel/converter with classloader: org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader@1a5db4b
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - URL from classloader:
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Decoded urlPath:
> [SpringOsgiExtenderThread-2] TRACE org.apache.camel.util.ResolverUtil - Scanning for
classes in [/org/apache/camel/converter] matching criteria: annotated with @Converter
> [SpringOsgiExtenderThread-2] DEBUG org.apache.camel.util.ResolverUtil - Loading from
jar: /org/apache/camel/converter
> [SpringOsgiExtenderThread-2] ERROR org.apache.camel.util.ResolverUtil - Could not search
jar file '/org/apache/camel/converter' for classes matching criteria: annotated with @Converter
due to an IOException: /org/apache/camel/converter (No such file or directory)
> /org/apache/camel/converter (No such file or directory)
> 	at Method)
> 	at<init>(
> 	at org.apache.camel.util.ResolverUtil.loadImplementationsInJar(
> 	at org.apache.camel.util.ResolverUtil.find(
> 	at org.apache.camel.util.ResolverUtil.find(
> 	at org.apache.camel.util.ResolverUtil.findAnnotated(
> 	at org.apache.camel.impl.converter.AnnotationTypeConverterLoader.load(
> 	at org.apache.camel.impl.converter.DefaultTypeConverter.checkLoaded(
> 	at org.apache.camel.impl.converter.DefaultTypeConverter.convertTo(
> 	at org.apache.camel.util.IntrospectionSupport.convert(
> 	at org.apache.camel.util.IntrospectionSupport.setProperty(
> 	at org.apache.camel.util.IntrospectionSupport.setProperties(
> 	at org.apache.camel.impl.DefaultComponent.setProperties(
> 	at org.apache.camel.impl.DefaultComponent.createEndpoint(
> 	at org.apache.camel.impl.DefaultCamelContext.getEndpoint(
> 	at org.apache.camel.util.CamelContextHelper.getMandatoryEndpoint(
> 	at org.apache.camel.model.RouteType.resolveEndpoint(
> 	at org.apache.camel.impl.DefaultRouteContext.resolveEndpoint(
> 	at org.apache.camel.impl.DefaultRouteContext.resolveEndpoint(
> 	at org.apache.camel.model.FromType.resolveEndpoint(
> 	at org.apache.camel.impl.DefaultRouteContext.getEndpoint(
> 	at org.apache.camel.model.RouteType.addRoutes(
> 	at org.apache.camel.model.RouteType.addRoutes(
> 	at org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(
> 	at org.apache.camel.impl.DefaultCamelContext.doStart(
> 	at org.apache.camel.spring.SpringCamelContext.doStart(
> 	at org.apache.camel.impl.ServiceSupport.start(
> 	at org.apache.camel.spring.SpringCamelContext.onApplicationEvent(
> 	at org.springframework.context.event.SimpleApplicationEventMulticaster$
> 	at org.springframework.core.task.SyncTaskExecutor.execute(
> 	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(
> 	at
> 	at
> 	at
> 	at
> 	at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor$
> 	at
> [SpringOsgiExtenderThread-2] DEBUG org.apache.camel.util.ResolverUtil - Found: [class
org.apache.camel.converter.ObjectConverter, class org.apache.camel.converter.jaxp.DomConverter,
class org.apache.camel.converter.IOConverter, class org.apache.camel.converter.jaxp.StaxConverter,
class org.apache.camel.converter.jaxp.XmlConverter, class,
class org.apache.camel.converter.jaxp.StreamSourceConverter, class org.apache.camel.converter.NIOConverter,
class org.apache.camel.converter.CollectionConverter, class org.apache.camel.converter.CamelConverter]
> The project that demonstrates this error is open source, check it out here:
> do mvn install on elfattah-api and elfattah-shell
> Then go to elfattah-shell and:
> mvn pax:provision

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