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Re: [aspectj-users] Jboss 7 LTW, mixed LTW & CTW aspects in the application

Humm, you seem to have the same problem I got a long time ago :

https://bugs.eclipse.org/bugs/show_bug.cgi?id=406817

the bug is still open and certainly due to the JBoss ClassLoader strategy of the micro_kernel ( It is a OSGi like).
I have no tried to package aspectjweaver.jar + custom aspects as a JBoss module... perhaps it is a solution ...

The thread i exchanged with Andrew Clement => https://www.mail-archive.com/aspectj-users@xxxxxxxxxxx/msg08250.html

<OT>
To do "LTW weaving like" with JBoss, i must switch to Byteman => http://byteman.jboss.org/
I got more weaving. But some others guys have encounted  problems also with Byteman , due to the Classloader =>  https://developer.jboss.org/thread/248812
I have also begun a byteman packager =>https://github.com/PASTJL/bytemanPkg
</OT>


Le 16/02/2015 05:11, Anggiat Barita a écrit :


Hi All,

I have been using aspectj ctw successfully with my application deployed into Jboss 7.

Due to some requirement, I need to create and apply new aspects during LTW only but I am facing many warnings and errors.

I have followed the steps given from https://wiki.eclipse.org/LTWJboss7 and I am using the latest 1.8.4 version of aspectj .

My humble and novice questions to all the users here are :
  1. Is it possible to run Jboss7 aspects the were pre-compiled bundled within war/ear together with different aspects in the separate JAR to be loaded during LTW ? I have tried combination -Djboss.modules.system.pkgs whether to include new aspect package and existing aspect package. ( the aspect packages are different, com.x.old.* and com.x.new.*)
  2. If yes, should the separate JAR need to contain all of the aspects to run or just the new delta aspects  ?
    1. When it's separate, i am getting the following error msg.
      • error aspect 'com.x.old.ExistingAspect' woven into 'com.x.y.ClassA' must be defined to the weaver (placed on the aspectpath, or defined in an aop.xml file if using LTW).
      • java.lang.NoSuchFieldError: ajc$cflowStack$0 ( this seem to be because existing aspect has made use of cflow and it's failing during ltw)
      • java.lang.InstantiationError
      • java.lang.NoClassDefFoundError
    2. Even I have the existing aspect defined within aop.xml, the same error remains
    3. I even define the aspect but exclude the existing aspects but no luck on that as well
    4. After this step I actually combine everything as per below questions #3
  3. If not, I have re-bundled all aspects into one separate JAR but I am facing the following errors, as if the bundled jar files unable to resolve the classes within war java.lang.NoSuchFieldError
    java.lang.InstantiationError
    java.lang.NoClassDefFoundError

I appreciate any help and advices to pass through this problems. Sorry the long winded question, if it's not clear please ask I can elaborate more on the errors.

Thanks & Regards,

Anggiat






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