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Re: [equinox-dev] Cannot get the framework extension, org.eclipse.equinox.weaving.hook, to work in OSGI

Hi Daniel!

Glad to hear that the weaving extension is running now. But the error you get is strange, since the weaving demo doesn't do anything with XML or SAX... Do you have a stack trace for the exception?

-Martin



On 24.06.10 16:16, Kashtan, Daniel wrote:
I seem to be getting closer. I get the ouput "[org.aspectj.osgi] info adding AspectJ hooks ..." which means my weaving hook fragment must be working now. I can start org.eclipse.equinox.weaving.aspectj jar without any IWeavingService missing errors. When I start the weaving.demo.hello though I am met with a java.lang.ClassNotFoundException: org.xml.sax.helpers.DefaultHandler error.

This error seems easy enough, I download the sax2r2.jar and ran this: java -cp sax2r2.jar:org.eclipse.osgi_3.4.0.v20080605-1900.jar:org.eclipse.equinox.weaving.hook_1.0.0.200808061839.jar org.eclipse.core.runtime.adaptor.EclipseStarter -console

For some reason though that does not correct the problem. I get the exact same error as before when I try to start the weaving.demo.hello bundle. I don't get it, I have the sax2r2.jar in the same folder as everything else. Am I doing something wrong again?
________________________________________
From: equinox-dev-bounces@xxxxxxxxxxx [equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Thomas Watson [tjwatson@xxxxxxxxxx]
Sent: Thursday, June 24, 2010 9:20 AM
To: Equinox development mailing list
Subject: RE: [equinox-dev] Cannot get the framework extension,  org.eclipse.equinox.weaving.hook, to work in OSGI

When using java -jar command I don't think the -cp option is sometimes ignored depending on the VM you are using.

You would have to use the "main" class org.eclipse.core.runtime.adaptor.EclipseStarter to launch Equinox along with the -cp option to list the org.eclipse.osgi jar and the framework extension jars you want to include:

java -cp org.eclipse.osgi.jar:<extension.jar>  org.eclipse.core.runtime.adaptor.EclipseStarter -console

Tom



[cid:1__=09BBFDDFDFDB7F098f9e8a93df938@xxxxxxxxxx]"Kashtan, Daniel" ---06/24/2010 08:10:42 AM---I also forgot to ask if there is a way to use a framework extension without the org.eclipse.equinox.launcher? I would be intere


From: "Kashtan, Daniel"<Daniel.Kashtan@xxxxxxx>

To:
Equinox development mailing list<equinox-dev@xxxxxxxxxxx>

Date:
06/24/2010 08:10 AM

Subject:
RE: [equinox-dev] Cannot get the framework extension, org.eclipse.equinox.weaving.hook, to work in OSGI

________________________________



I also forgot to ask if there is a way to use a framework extension without the org.eclipse.equinox.launcher? I would be interested in knowing that how to do that too.
________________________________________
From: equinox-dev-bounces@xxxxxxxxxxx [equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Kashtan, Daniel [Daniel.Kashtan@xxxxxxx]
Sent: Thursday, June 24, 2010 8:57 AM
To: Equinox development mailing list
Subject: RE: [equinox-dev] Cannot get the framework extension,  org.eclipse.equinox.weaving.hook, to work in OSGI

I have been starting Equinox directly with java -jar org.eclipse.osgi.jar -console. I'll investigate the org.eclipse.equinox.launcher, feel free to show me how you all would use it. Hopefully I can find some documentation on it.

Martin, I tried java -jar org.eclipse.osgi_3.4.0.v20080605-1900.jar -console -cp org.eclipse.equinox.weaving.hook, but that did not work. I am thinking that I need to use the launcher that Tom referenced.

________________________________________
From: equinox-dev-bounces@xxxxxxxxxxx [equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Thomas Watson [tjwatson@xxxxxxxxxx]
Sent: Wednesday, June 23, 2010 5:27 PM
To: Equinox development mailing list
Subject: RE: [equinox-dev] Cannot get the framework extension,  org.eclipse.equinox.weaving.hook, to work in OSGI

How are you launching equinox? Are you using the org.eclipse.equinox.launcher jar or using the eclipse.exe or are you starting equinox directly with something like java -jar org.eclipse.osgi.jar?

The reason I ask is because the osgi.framework.extensions property is processed by the org.eclipse.equinox.launcher jar which sets up the class loader for the framework (org.eclipse.osgi). The launcher uses the osgi.framework.extensions property to discover additional jars that should be placed on the framework class loader's class path.

Tom



[cid:1__=09BBFDD8DFE613508f9e8a93df938@xxxxxxxxxx]"Kashtan, Daniel" ---06/23/2010 04:03:02 PM---Hey Martin,


From: "Kashtan, Daniel"<Daniel.Kashtan@xxxxxxx>

To:
Equinox development mailing list<equinox-dev@xxxxxxxxxxx>

Date:
06/23/2010 04:03 PM

Subject:
RE: [equinox-dev] Cannot get the framework extension, org.eclipse.equinox.weaving.hook, to work in OSGI

________________________________



Hey Martin,

I just recently found this link, http://wiki.eclipse.org/JDT_weaving_features, which I believe details the classpath setup code you are referring to (correct me if I am wrong). I unfortunately still can't get the hook working with the system bundle. Here is what my config.ini looks like:

osgi.clean=true
osgi.frameworkClassPath=file\:/home/djkasht/workspaceBlueprint/EquinoxAspectsHellowWorld/org.eclipse.osgi_3.4.0.v20080605-1900.jar,file\:/home/djkasht/workspaceBlueprint/EquinoxAspectsHellowWorld/org.eclipse.equinox.weaving.hook_1.0.0.200808061839.jar
osgi.bundles=org.aspectj.runtime_1.6.1.20080703120000, org.aspectj.weaver_1.6.1.20080703120000,org.eclipse.equinox.weaving.aspectj_1.0.0.200808061839.jar, org.eclipse.equinox.weaving.hook_1.0.0.200808061839.jar,org.eclipse.equinox.weaving.demo.hello, org.eclipse.equinox.weaving.demo.hello.aspects
osgi.framework.extensions=org.eclipse.equinox.weaving.hook
aj.weaving.verbose=true
org.aspectj.weaver.showWeaveInfo=true
org.aspectj.osgi.verbose=true


All my bundles are in /home/djkasht/workspaceBlueprint/EquinoxAspectsHellowWorld. My config.ini is in /home/djkasht/workspaceBlueprint/EquinoxAspectsHellowWorld/Configuration. I am not sure what else I could be doing wrong at this point and I must be close to figuring out this problem :) ________________________________________ From: equinox-dev-bounces@xxxxxxxxxxx [equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Martin Lippert [lippert@xxxxxxx] Sent: Wednesday, June 23, 2010 3:50 PM To: Equinox development mailing list Subject: Re: [equinox-dev] Cannot get the framework extension, org.eclipse.equinox.weaving.hook, to work in OSGI

Hi Daniel,

if I remember this correctly you need to put the org.eclipse.osgi bundle
AND the framework extension bundles on the classpath if you start the
runtime the way you do it.

(The exception you mention indicates that the framework extension is not
installed correctly.)

HTH,
-Martin



I have been trying very hard to get the Equinox Aspects Hello World project run correctly outside of Eclipse, just using a custom config.ini and the Equinox shell. I believe the last thing holding me up is that the weaving.hook fragment bundle is not hooking into the system bundle. I have all the files from the plugins folder of the Hello World demo in the same folder as my system bundle and I have the hello and hello.aspects bundle in the same folder. My config.ini is in the ./configuration folder. It is a simple setup and there shouldn't be a co-location problems with the hook bundle. I'll post my config.ini below.

Config.ini:

osgi.clean=true
org.aspectj.osgi.verbose=true
eclipse.ignoreApp=true
aj.weaving.verbose=true
org.aspectj.weaver.showWeaveInfo=true
osgi.bundles=org.eclipse.equinox.weaving.demo.hello.aspects, org.eclipse.equinox.weaving.aspectj_1.0.0.200808061839.jar, org.aspectj.weaver_1.6.1.20080703120000, org.aspectj.runtime_1.6.1.20080703120000, org.eclipse.equinox.weaving.demo.hello
osgi.framework.extensions=org.eclipse.equinox.weaving.hook





I set the framework extension correctly right? Also, here is how I start the Equinox shell. If I enter start 3 I get an error, java.lang.NoClassDefFoundError: org.eclipse.equinox.service.weaving.IWeavingService

djkasht@zaius:~/workspaceBlueprint/EquinoxAspectsHellowWorld$ java -jar org.eclipse.osgi_3.4.0.v20080605-1900.jar -console -Dosgi.framework.extensions=org.eclipse.equinox.weaving.hook

osgi>   ss

Framework is launched.

id      State       Bundle
0       ACTIVE      org.eclipse.osgi_3.4.0.v20080605-1900
                      Fragments=1
1       RESOLVED    org.eclipse.equinox.weaving.hook_1.0.0.200808061839
                      Master=0
2       RESOLVED    org.eclipse.equinox.weaving.demo.hello.aspects_1.0.0
3<<LAZY>>      org.eclipse.equinox.weaving.aspectj_1.0.0.200808061839
4       RESOLVED    org.aspectj.weaver_1.6.1.20080703120000
5       RESOLVED    org.aspectj.runtime_1.6.1.20080703120000
6       RESOLVED    org.eclipse.equinox.weaving.demo.hello_1.0.0

osgi>

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