Hi, I don't use aspectj in Karaf. So, unfortunately, I can't help so much.
Did you try to embed aspectj in your spring bundle ? Regards JB On Mon, Sep 5, 2022 at 5:10 PM Martin Zukal <martin.zu...@stabilit.ch> wrote: > > Hello everyone! > > I am sorry to reply to my own email but I would really like to know whether > there is somebody who was able to get aspectj and load-time weaving running > with Apache Karaf. > > I am really stuck on this so any hint would be hihgly appreciated! > > Best Regards > > Martin Zukal > > > > > > From: Martin Zukal <martin.zu...@stabilit.ch> > Sent: Saturday, August 27, 2022 11:42 AM > To: 'user@karaf.apache.org' <user@karaf.apache.org> > Subject: Aspectj in Apache Karaf 4.4.1 > > > > Hello everyone! > > I am trying to enable aspectj in Apache Karaf version 4.4.1 and I am unable > to get it to work. I have a project based on Spring which I want to run in > Apache Karaf. This project contains the aspects and includes the following > lines in the configuration: > > <context:load-time-weaver aspectj-weaving="on" /> > > <aop:aspectj-autoproxy /> > > Which is why I need aspectj in the runtime. > > What I should probably also mention is that the project uses Gemini Blueprint > version 3.0.0.M01 to publish the Spring services into the OSGi context. > > > > I was not able to find any recent tutorial how to enable aspects in Apache > Karaf so I followed this blog post: > http://dywicki.pl/2011/11/running-aspects-under-osgi-4-2-with-karaf/ and > adapted the procedure slightly. What I did so far is: > > Changed the framework from felix to equinox > Placed the three bundles (org.eclipse.equinox.weaving.aspectj, > org.eclipse.equinox.weaving.caching and org.eclipse.equinox.weaving.hook) > into the system directory > Added entries for the above mentioned bundles to startup.properties > > Apache karaf starts fine with the above described configuration and I can see > all weaving bundles as active in the console > (org.eclipse.equinox.weaving.hook is a fragment so there it says fragment). > > > > However, when I try to deploy the bundle with my Spring project I get the > following exception: > > org.springframework.beans.factory.BeanCreationException: Error creating bean > with name 'org.springframework.context.config.internalAspectJWeavingEnabler': > Initialization of bean failed; nested exception is > org.springframework.beans.factory.BeanCreationException: Error creating bean > with name 'loadTimeWeaver': Initialization of bean failed; nested exception > is java.lang.IllegalStateException: ClassLoader > [org.eclipse.gemini.blueprint.util.BundleDelegatingClassLoader] does NOT > provide an 'addTransformer(ClassFileTransformer)' method. Specify a custom > LoadTimeWeaver or start your Java virtual machine with Spring's agent: > -javaagent:spring-instrument-{version}.jar > > I tried to start Apache Karaf with the -javaagent option but it did not help. > > I am coming from Eclipse Virgo and the aspects were working there quite fine. > One of the settings which was needed to add was > > osgi.framework.extensions = org.eclipse.equinox.weaving.hook. > > Is there a possibility how to add this setting to Apache Karaf? > > > > Is there any recent tutorial how to get aspects working in Apache Karaf? I > would really appreciate any help with this topic! > > Best Regards > > Martin Zukal
